3c Part 2 Questions

8/16/2019 3c Part 2 Questions

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Aircraft aerodynamic, structure and systemModule 11. Aeroplane Aerodynamics, Structures & Systems

11.01.1. Theory of Flight - Aeroplane Aerodynamics and Flight Controls.

Question Number. 1. As a subsonic aircraft speeds-up, its Centre of Pressure.Option A. moves forward.Option B. moves aft.Option C. is unaffected.Correct Answer is. moves aft.Exp anation. Assumin! t"at t"e aircraft is to remain at constant a titude, it must reduce its an! e of attac# as itspeeds-up. $"is a one wi move t"e CofP rearwards, in accordance wit" t"e sub-sonic an! e of attac# c"an!et"eor%.

Question Number. &. 'in! spoi ers, w"en used as%mmetrica %, are associated wit".Option A. ai erons.Option B. rudder.Option C. e evators.Correct Answer is. ai erons.Exp anation. Pa ett Automatic ( i!"t Contro )t" Edition Pa!e *1. +eppesen A P $ec"nician Airframe$extboo#Pa!e 1-1&.

Question Number. . f an aircraft is %awin! to t"e eft, w"ere wou d %ou position t"e trim tab on t"erudder/.Option A. $o t"e centre.Option B. $o t"e ri!"t.

Option C. $o t"e eft.Correct Answer is. $o t"e eft.Exp anation. Automatic f i!"t contro , Pa ett, )t" Edition Pa!e ) .

Question Number. ). f an aircraft is f %in! wit" a eft win! ow, w"ere wou d %ou move t"e eft ai eron trimtab/.Option A. 0own.Option B. p.Option C. 2ovin! t"e ai eron trim tab wi not correct t"e situation.Correct Answer is. p.Exp anation. Automatic f i!"t contro , Pa ett, )t" Edition Pa!e ) .

Question Number. *. '"en a eadin! ed!e f ap is fu % extended, w"at is t"e s ot in t"e win! for/.Option A. $o a ow t"e f ap to retract into it w"en it retracts.Option B. $o re-ener!ise t"e boundar% a%er.Option C. $o increase t"e ift.Correct Answer is. $o re-ener!ise t"e boundar% a%er.Exp anation. Pa ett Automatic ( i!"t Contro &nd Edition Pa!e *3. +eppesen A P $ec"nician Airframe $extboo#Pa!e 1- &.


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Question Number. 4. 'it" respect to differentia ai eron contro , w"ic" of t"e fo owin! is true/.Option A. $"e up !oin! Ai eron moves t"rou!" a sma er an! e t"an t"e down !oin! ai eron.Option B. $"e up !oin! and down !oin! ai erons bot" def ect to t"e same an! e.Option C. $"e down !oin! ai eron moves t"rou!" a sma er an! e t"an t"e up !oin! ai eron.Correct Answer is. $"e down !oin! ai eron moves t"rou!" a sma er an! e t"an t"e up !oin! ai eron.

Exp anation. 2ec"anics of ( i!"t, 5ermode, Pa!e 31. $"e down !oin! ai eron moves ess, to reduce t"e induceddra! w"ic" causes adverse ai eron %aw.

Question Number. 6. $"e aerop ane fin is of s%mmetrica aerofoi section and wi t"erefore provide a side-oad.Option A. if a suitab e an! e of attac# deve ops due eit"er %aw or rudder movement.Option B. on % if a suitab e an! e of attac# deve ops due to %aw.Option C. on % w"en t"e rudder is moved.Correct Answer is. if a suitab e an! e of attac# deve ops due eit"er %aw or rudder movement.Exp anation. 7udder def ection or %aw.

Question Number. 8. An aircraft eft win! is f %in! ow. $"e ai eron trimmer contro to t"e eft ai eron trim tabin t"e coc#pit wou d be.Option A. moved up causin! t"e eft ai eron to move up.Option B. moved up causin! t"e eft ai eron to move down.Option C. moved down causin! t"e eft ai eron to move down.Correct Answer is. moved up causin! t"e eft ai eron to move down.Exp anation. 0own ai eron re9uired - w"ic" re9uires up trim.

Question Number. :. $"e purpose of a s ot in a win! is to.Option A. speed up t"e airf ow and increase ift.Option B. act as venturi, acce erate t"e air and re-ener!ise boundar% a%er.Option C. provide "ousin! for t"e s at.Correct Answer is. act as venturi, acce erate t"e air and re-ener!ise boundar% a%er.Exp anation. A s ot is to act as venturi, acce erate t"e air and re-ener!ise boundar% a%er.

Question Number. 13. ;ar!e f ap dep o%ment.Option A. "as no effect on spanwise f ow.Option B. causes increased spanwise f ow towards tips on win! upper surface.Option C. causes increased spanwise f ow towards tips on win! ower surface.Correct Answer is. causes increased spanwise f ow towards tips on win! ower surface.Exp anation. ( aps increase t"e pressure differentia between top and bottom surfaces, increase tip vortices andspanwise f ow.

Question Number. 11. '"ic" part of t"e win! of a swept-win! aircraft sta s first/.Option A. $ip sta s first.Option B. 7oot sta s first.Option C. Bot" sta to!et"er.Correct Answer is. $ip sta s first.Exp anation. $"e tip of a swept win! sta s first.

Question Number. 1&. 0urin! f i!"t, an aircraft is %awin! to t"e ri!"t. $"e aircraft wou d "ave a tendenc% to


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f %.Option A. ri!"t win! ow.Option B. nose up.Option C. eft win! ow.Correct Answer is. ri!"t win! ow.Exp anation. $"e eadin! win! < eft win!= "as increased ift, causin! it to rise.

Question Number. 1 . 'it" a drop in ambient temperature, an aircraft service cei in! wi .Option A. not be affected.Option B. ower.Option C. rise.Correct Answer is. rise.Exp anation. As ambient temperature drops, densit% increases and aircraft performance increases.

Question Number. 1). Extendin! a eadin! ed!e s at wi "ave w"at effect on t"e an! e of attac# of a win!/.

Option A. ncrease t"e an! e of attac#.

Option B. 0ecrease t"e an! e of attac#.Option C. No effect on an! e of attac#.Correct Answer is. 0ecrease t"e an! e of attac#.Exp anation. N ;.

Question Number. 1*. $o ensure t"at a win! sta s at t"e root first, sta wed!es are.Option A. insta ed at t"e win! trai in! ed!e at t"e win! root.Option B. insta ed at t"e win! trai in! ed!e at t"e win! root.Option C. insta ed on t"e win! eadin! ed!e at t"e win! root.Correct Answer is. insta ed on t"e win! eadin! ed!e at t"e win! root.Exp anation. N ;.

Question Number. 14. 'it" reference to differentia ai eron contro .Option A. dra! increases on t"e inner win!.Option B. dra! decreases on t"e outer win!.Option C. dra! increases on t"e outer win!.Correct Answer is. dra! increases on t"e inner win!.Exp anation. Automatic ( i!"t Contro , Pa ett )t" Edition Pa!e )1. A>P $ec"nician Airframe $extboo# Pa!e 1-11.

Question Number. 16. 0utc" ro e is movement in.Option A. %aw and ro .Option B. %aw and pitc".Option C. pitc" and ro .Correct Answer is. %aw and ro .Exp anation. Avionic (undamenta s +eppesen pa!e &:1.

Question Number. 18. f an aircraft is aerod%namica % stab e.Option A. aircraft becomes too sensitive.Option B. aircraft returns to trimmed attitude.Option C. C of P moves bac#.


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Correct Answer is. aircraft returns to trimmed attitude.Exp anation. N ;.

Question Number. 1:. Ai erons contro t"e aircraft in t"e.Option A. on!itudina p ane.

Option B. directiona p ane.Option C. atera p ane.Correct Answer is. atera p ane.Exp anation. Ai erons contro t"e aircraft ? N? t"e atera axis, w"ic" is ?ABO $? t"e on!itudina axis.

Question Number. &3. An anti-ba ance tab is used.Option A. for trimmin! t"e aircraft.Option B. to !ive more fee to t"e contro s.Option C. to re ieve stic# oads.Correct Answer is. to !ive more fee to t"e contro s.Exp anation. +eppesen A P $ec"nician Airframe $extboo# 1-&:.

Question Number. &1. @ ats.Option A. act as an air bra#e.Option B. #eep t"e boundar% a%er from separatin! for on!er.Option C. increase t"e overa surface area and ift effect of win!.Correct Answer is. #eep t"e boundar% a%er from separatin! for on!er.Exp anation. +eppesen A P tec"nician airframe textboo# pa!e 1- &.

Question Number. &&. 0ue to t"e c"an!e of ift forces resu tin! from t"e extension of f aps in f i!"t.Option A. nose s"ou d be owered, reducin! AoA.Option B. nose s"ou d remain in t"e same position, maintainin! same AoA.Option C. nose s"ou d be raised, increasin! AoA.Correct Answer is. nose s"ou d be owered, reducin! AoA.Exp anation. $"e main purpose of f aps is to increase ift so t"at t"e pi ot can ower t"e nose, increase decentan! e and !et a better view of t"e runwa%.

Question Number. & . ( i!"t spoi ers.Option A. can be used to decrease ift to a ow contro ed decent wit"out reduction of airspeed.Option B. can be dep o%ed on t"e down !oin! win! in a turn to increase ift on t"at win!.Option C. can be used wit" differentia ai erons to reduce adverse %aw in a turn.Correct Answer is. can be used to decrease ift to a ow contro ed decent wit"out reduction of airspeed.Exp anation. N ;.

Question Number. &). f t"e aircraft is f %in! nose "eav%, w"ic" direction wou d %ou move t"e e evator trimtab/.Option A. p to move e evator up.Option B. 0own to move e evator up.Option C. p to move e evator down.Correct Answer is. 0own to move e evator up.Exp anation. N ;.


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Question Number. &*. 'in! tip vortices are stron!est w"en.Option A. f %in! "i!" speed strai!"t and eve f i!"t.Option B. f %in! s ow % at "i!" an! es of attac#.Option C. f %in! into a "eadwind.Correct Answer is. f %in! s ow % at "i!" an! es of attac#.Exp anation. N ;.

Question Number. &4. An examp e of a secondar% f i!"t contro is a.Option A. e evator.Option B. f ap.Option C. spoi er.Correct Answer is. spoi er.Exp anation. @ome wou d consider a ( ap to be a secondar% f i!"t contro . t is discounted in t"is 9uestion as it istec"nica % a ;ift Au!mentation 0evice, rat"er t"an a ?contro .

Question Number. &6. A ba ance tab.Option A. assists t"e pi ot to move t"e contro s.

Option B. is used to trim t"e appropriate axis of t"e aircraft.Option C. effective % increases t"e area of t"e contro surface.Correct Answer is. assists t"e pi ot to move t"e contro s.Exp anation. +eppesen A P $ec"nician $extboo# p! 1-&:.

Question Number. &8. '"ic" win! increases dra! w"en t"e ai erons are moved/.Option A. Bot" win!s "ave an e9ua increase in dra!.Option B. Bot" win!s increase dra! but t"e win! wit" t"e down-!oin! ai eron increases more.Option C. Bot" win!s increase dra! but t"e win! wit" t"e up-!oin! ai eron increases more.Correct Answer is. Bot" win!s increase dra! but t"e win! wit" t"e down-!oin! ai eron increases more.Exp anation. +eppesen A P $ec"nician Airframe $extboo# pa!e 1-&4.

Question Number. &:. '"ic" f ap wi increase win! area and camber/.Option A. @p it.Option B. @ ot.Option C. (ow er.Correct Answer is. (ow er.Exp anation. +eppesen AP $ec"nician Airframe $extboo# Pa!e &3.

Question Number. 3. An automatic s at wi ift b% itse f w"en t"e an! e of attac# is.Option A. ow.Option B. "i!" or ow.Option C. "i!".Correct Answer is. "i!".Exp anation. N ;.

Question Number. 1. On aircraft fitted wit" spoi ers for atera contro , ro to t"e ri!"t is caused b%.Option A. eft and ri!"t spoi ers extendin!.Option B. ri!"t spoi ers extendin!, eft spoi ers remainin! retracted.Option C. eft spoi ers extendin!, ri!"t spoi ers remainin! retracted.Correct Answer is. ri!"t spoi ers extendin!, eft spoi ers remainin! retracted.


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Exp anation. N ;.

Question Number. &. A sp it f ap increases ift b% increasin!.Option A. t"e surface area.Option B. t"e camber of t"e top surface.

Option C. t"e an! e of attac"ment of t"e ower "in!ed portion.Correct Answer is. t"e an! e of attac"ment of t"e ower "in!ed portion.Exp anation. +eppesen A P $ec"nician Airframe $extboo# pa!e 1- 3.

Question Number. . '"en t"e trai in! ed!e f aps are owered, t"e aircraft wi .Option A. sin#.Option B. pitc" nose down.Option C. pitc" nose up.Correct Answer is. pitc" nose down.Exp anation. 0ue to t"e centre of pressure movin! aft.

Question Number. ). 0utc" ro is.Option A. a t%pe of s ow ro .Option B. primari % a pitc"in! instabi it%.Option C. a combined %awin! and ro in! motion.Correct Answer is. a combined %awin! and ro in! motion.Exp anation. N ;.

Question Number. *. On an aircraft wit" an a -movin! tai p ane, pitc" up is caused b%.Option A. increasin! tai p ane incidence.Option B. decreasin! tai p ane incidence.Option C. up movement of t"e e evator trim tab.Correct Answer is. decreasin! tai p ane incidence.Exp anation. N ;.

Question Number. 4. A eadin! ed!e s at is a device for.Option A. increasin! t"e sta in! an! e of t"e win!.Option B. decreasin! win! dra!.Option C. decreasin! t"e sta in! an! e of t"e win!.Correct Answer is. increasin! t"e sta in! an! e of t"e win!.Exp anation. N ;.

Question Number. 6. A 5rue!er f ap is.Option A. a eadin! ed!e s at w"ic" extends forward.Option B. a f ap w"ic" extends rearwards but does not ower.Option C. a eadin! ed!e f ap w"ic" "in!es forward.Correct Answer is. a eadin! ed!e f ap w"ic" "in!es forward.Exp anation. +eppesen A P Airframe $ec"nician $extboo# pa!e 1- 6 fi!ure 1-4).

Question Number. 8. $"e a%er of air over t"e surface of an aerofoi w"ic" is s ower movin!, in re ation to t"erest of t"e airf ow, is #nown as.Option A. camber a%er.


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Option B. none of t"e above are correct.Option C. boundar% a%er.Correct Answer is. boundar% a%er.Exp anation. N ;.

Question Number. :. '"en airf ow ve ocit% over an upper cambered surface of an aerofoi decreases, w"atta#es p ace/.Option A. Pressure increases, ift decreases.Option B. Pressure decreases, ift increases.Option C. Pressure increases, ift increases.Correct Answer is. Pressure increases, ift decreases.Exp anation. N ;.

Question Number. )3. '"at is a contro in! factor of turbu ence and s#in friction/.Option A. Countersun# rivets used on s#in exterior.Option B. Aspect ratio.Option C. (ineness ratio.

Correct Answer is. Countersun# rivets used on s#in exterior.Exp anation. N ;.

Question Number. )1. C"an!es in aircraft wei!"t.Option A. wi on % affect tota dra! if t"e ift is #ept constant.Option B. wi not affect tota dra! since it is dependant on % upon speed.Option C. cause correspondin! c"an!es in tota dra! due to t"e associated ift c"an!e.Correct Answer is. cause correspondin! c"an!es in tota dra! due to t"e associated ift c"an!e.Exp anation. N ;.

Question Number. )&. '"en an aircraft sta s.Option A. ift decreases and dra! increases.Option B. ift and dra! increase.Option C. ift and dra! increase.Correct Answer is. ift decreases and dra! increases.Exp anation. N ;.

Question Number. ) . $"e aircraft sta in! speed wi .Option A. increase wit" an increase in wei!"t.Option B. increase wit" an increase in wei!"t.Option C. be unaffected b% aircraft wei!"t c"an!es since it is dependant upon t"e an! e of attac#.Correct Answer is. increase wit" an increase in wei!"t.Exp anation. N ;.

Question Number. )). n a ban# and turn.Option A. extra ift is not re9uired.Option B. extra ift is re9uired.Option C. extra ift is not re9uired if t"rust is increased.Correct Answer is. extra ift is re9uired.Exp anation. N ;.


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Question Number. )*. $"e an! e of attac# at w"ic" sta occurs.Option A. depends on t"e wei!"t of t"e aircraft.Option B. cannot be varied, it is a wa%s constant.Option C. can be varied b% usin! f aps and s ats.Correct Answer is. can be varied b% usin! f aps and s ats.

Exp anation. N ;. corrected

Question Number. )4. $"e primar% function of a f ap is.Option A. to a ter t"e position of t"e centre of !ravit%.Option B. to trim t"e aircraft on!itudina %.Option C. to a ter t"e ift of an aerofoi .Correct Answer is. to a ter t"e ift of an aerofoi .Exp anation. +eppesen A P $ec"nician Airframe $extboo# pa!e 1- 3.

Question Number. )6. $"e sta in! speed of an aircraft.Option A. is increased w"en it is i!"ter.

Option B. does not c"an!e.Option C. is increased w"en it is "eavier.Correct Answer is. is increased w"en it is "eavier.Exp anation. N ;.

Question Number. )8. A win! f ap w"ic" "as dropped or partia % extended on one win! in f i!"t wi ead to.

Option A. a stead% ro in! tendenc% w"ic" wou d be corrected b% use of t"e ai erons.Option B. a fixed ban#ed attitude w"ic" wou d be corrected b% use of t"e rudder.Option C. a pitc"in! moment w"ic" wou d be corrected b% used of t"e e evators.Correct Answer is. a stead% ro in! tendenc% w"ic" wou d be corrected b% use of t"e ai erons.Exp anation. N ;.

Question Number. ):. 'it" an increase in t"e amount of f ap dep o%ment, t"e sta in! an! e of a win!.Option A. increases.Option B. remains t"e same.Option C. decreases.Correct Answer is. decreases.Exp anation. N ;.

Question Number. *3. 0ownward disp acement of an ai eron.Option A. decreases t"e an! e at w"ic" its win! wi sta .Option B. increases t"e an! e at w"ic" its win! sta s.Option C. "as no effect on its win! sta in! an! e, it on % affects t"e sta in! speed on t"at win!.Correct Answer is. decreases t"e an! e at w"ic" its win! wi sta .Exp anation. N ;.

Question Number. *1. 0ue to t"e tai p ane an! e of attac# c"an!e, t"e f ap-induced downwas" on t"etai p ane.Option A. ma% cause a nose-down or nose-up pitc" dependin! upon t"e initia tai p ane oad.Option B. wi tend to cause an aircraft nose down pitc".


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Option C. wi tend to cause an aircraft nose-up pitc".Correct Answer is. wi tend to cause an aircraft nose-up pitc".Exp anation. N ;.

Question Number. *&. 0ue to t"e c"an!e in ift coefficient accompan%in! extension of t"e f aps, to maintain

t"e ift constant it wou d be necessar% to.Option A. ower t"e nose.Option B. #eep t"e pitc" attitude constant.Option C. raise t"e nose.Correct Answer is. ower t"e nose.Exp anation. N ;.

Question Number. * . '"ic" eadin! ed!e device improves t"e aminar f ow over t"e win!/.Option A. ( ap and s at.Option B. ( ap.Option C. @ at.Correct Answer is. @ at.

Exp anation. N ;.

Question Number. *). $"e tropopause exists at about.Option A. 18,333 ft.Option B. 4,333 ft.Option C. 3,333 ft.Correct Answer is. 4,333 ft.Exp anation. N ;.

Question Number. **. nduced dra! curve c"aracteristics of a s ender de ta win! are suc" t"at t"ere is.Option A. an increase in !radient wit" win! speed.Option B. decrease in !radient wit" win! speed.Option C. no c"an!e in !radient wit" win! speed.Correct Answer is. decrease in !radient wit" win! speed.Exp anation. N ;.

Question Number. *4. f an aircraft is %awin! eft, t"e trim tab on t"e rudder wou d be positioned.Option A. to t"e eft, movin! t"e rudder ri!"t.Option B. to t"e centre.Option C. to t"e ri!"t, movin! t"e rudder eft.Correct Answer is. to t"e eft, movin! t"e rudder ri!"t.Exp anation. N ;.

Question Number. *6. nstabi it% !ivin! ro and %aw.Option A. is on!itudina stabi it%.Option B. is atera stabi it%.Option C. is dutc" ro .Correct Answer is. is dutc" ro .Exp anation. N ;.


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Question Number. *8. ortex !enerators are fitted to.Option A. move transition point forwards.Option B. move transition point rearwards.Option C. advance t"e onset of f ow separation.Correct Answer is. move transition point forwards.Exp anation. N ;.

Question Number. *:. ;eadin! ed!e f aps.Option A. decrease sta in! an! e of t"e win!.Option B. do not c"an!e t"e sta in! an! e.Option C. increase sta in! an! e of t"e win!.Correct Answer is. increase sta in! an! e of t"e win!.Exp anation. N ;.

Question Number. 43. 5rue!er f aps are on.Option A. t"e eadin! ed!e.Option B. t"e trai in! ed!e.

Option C. eit"er t"e eadin! or trainin! ed!e.Correct Answer is. t"e eadin! ed!e.Exp anation. N ;.

Question Number. 41. @weepbac# wi .Option A. increase atera stabi it%.Option B. not affect atera stabi it%.Option C. decrease atera stabi it%.Correct Answer is. increase atera stabi it%.Exp anation. N ;.

Question Number. 4&. A p ain f ap.Option A. is attac"ed to t"e eadin! ed!e of t"e win!.Option B. forms part of ower trai in! ed!e.Option C. does not increase t"e win! area on dep o%ment.Correct Answer is. does not increase t"e win! area on dep o%ment.Exp anation. N ;.

Question Number. 4 . A sp it f ap, w"en dep o%ed.Option A. increases dra! wit" itt e ift coefficient increase, from intermediate to fu % down.Option B. is used on % on "i!" speed aircraft.Option C. increases ift wit"out a correspondin! increase in dra!.Correct Answer is. increases dra! wit" itt e ift coefficient increase, from intermediate to fu % down.Exp anation. N ;.

11. Airframe Structures - !eneral Concepts.

Question Number. 1. one &3 under t"e A$A s%stem is.Option A. centra fuse a!e.Option B. vertica stabi iser.


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Option C. "ori onta stabi iser.Correct Answer is. vertica stabi iser.Exp anation. 2aintenance and 7epair 5roesD'at#insD0e p Pa!e &&.

Question Number. &. '"en doin! a bondin! c"ec# t"e maximum resistance between component and eart" is.

Option A. 3.33*o"ms.Option B. 1D*3 o"ms.Option C. *3 mi io"ms.Correct Answer is. *3 mi io"ms.Exp anation. CA Ps EE;D1-4 .8.

Question Number. . ow is dama!e to t"e nose cone of an aircraft prevented durin! a i!"tnin! stri#e/.Option A. Eart"in! @trap.Option B. Bondin! @trip.Option C. Bondin! @trip.Correct Answer is. Bondin! @trip.

Exp anation. Aircraft E ectricit% and Avionics


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Question Number. 8. $"e bondin! ead to a remote aircraft component must be.Option A. 3.* in wide.Option B. && A'F.Option C. 3.&* in wide and && A'F.Correct Answer is. 3.* in wide.Exp anation. CAA Ps ;eaf et :-1 Para. . .1


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Correct Answer is. 833.Exp anation. C"ec#out most modern aircraft 2aintenance 2anua s for ona ocations.

Question Number. 1*. '"ic" area of t"e aircraft is subGect to "oop stress/.Option A. Contro surfaces.

Option B. Pressure cabin.Option C. 'in!s.Correct Answer is. Pressure cabin.Exp anation. CA Ps A;D6-& &.6.

Question Number. 14. @"ear stress is described as.Option A. pu in! forces.Option B. compressin! forces.Option C. s ip awa% under t"e action of forces.Correct Answer is. s ip awa% under t"e action of forces.Exp anation. $"e #e%word is ?s ip?, but it is a terrib e definition of s"ear stress.

Question Number. 16. $"e !round cab e must be.Option A. sin! e strand copper wire 3.* in. cross sectiona area.Option B. copper stranded 3.* in. cross sectiona area.Option C. sin! e strand 18 A'F.Correct Answer is. sin! e strand copper wire 3.* in. cross sectiona area.Exp anation. CA Ps EE;D1-4 . .1 a


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Question Number. &1. A condition after w"ic" a permanent deformation of a materia is caused, is #nown as.

Option A. strain.Option B. s"ear.Option C. s"ear.Correct Answer is. strain.

Exp anation. @train is ?best? of t"e answers. @train is ?deformation? but does not necessari % cause a permanentdeformation.

Question Number. &&. @emi-monoco9ue construction.Option A. uti i es t"e safe- ife desi!n concept.Option B. is used on % for t"e fuse a!e.Option C. offers !ood dama!e resistance.Correct Answer is. offers !ood dama!e resistance.Exp anation. +epessen A P $ec"nician Airframe textboo# pa!e 1- .

Question Number. & . 2ost radio aeria s are.

Option A. not bonded.Option B. bonded.Option C. insu ated from t"e fuse a!e.Correct Answer is. bonded.Exp anation. +eppesen A P $ec"nician Airframe $extboo# 1&-*4.

Question Number. &). @econdar% bondin! is usua % provided wit".Option A. stranded copper 3.&* inc".Option B. sin! e strand 3.&* inc".Option C. 18 A'F.Correct Answer is. 18 A'F.Exp anation. CAA Ps ;eaf et :-1 . .1


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Correct Answer is. 18 @'F for a sin! e wire.Exp anation. CAA Ps ;eaf et :-1 . .1


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Option B. $russ t%pe.Option C. 2onoco9ue.Correct Answer is. @emi-monoco9ue.Exp anation. N ;.

Question Number. *. 'in! stations are measured.Option A. outboard from t"e win! root.Option B. outboard from t"e fuse a!e centre ine.Option C. inboard from t"e win! upper surface.Correct Answer is. outboard from t"e fuse a!e centre ine.Exp anation. N ;.

Question Number. 4. '"at oad is a tie rod desi!ned to accept/.Option A. Bendin!.Option B. $ensi e.Option C. $orsion.Correct Answer is. $ensi e.

Exp anation. N ;.

Question Number. 6. f a co our is used to identif% primar% structure, it wi be.Option A. red.Option B. !reen.Option C. %e ow.Correct Answer is. red.Exp anation. N ;.

Question Number. 8. '"ic" of t"e fo owin! is primar% structure/.Option A. (rame.Option B. @#in.Option C. @trin!er.Correct Answer is. @#in.Exp anation. N ;.

Question Number. :. (use a!e station numbers are measured from t"e front of t"e aircraft in.Option A. feet.Option B. inc"es.Option C. feet and inc"es.Correct Answer is. inc"es.Exp anation. N ;.

Question Number. )3. '"ic" parts of t"e aircraft are c assified secondar% structures/.Option A. $"ese parts of t"e airframe are "i!" % stressed but if dama!ed wi not cause fai ure of t"e aircraft.Option B. $"ese parts of t"e airframe are "i!" % stressed and if dama!ed ma% cause fai ure of t"e aircraft andoss of ife.Option C. $"ese are i!"t % stressed parts suc" as fairin!s, w"ee s"ie ds and minor component brac#ets etc.Correct Answer is. $"ese parts of t"e airframe are "i!" % stressed but if dama!ed wi not cause fai ure of t"eaircraft.Exp anation. N ;.


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Question Number. )1. @tructure wit" bui t in redundanc% is ca ed.Option A. doub e safe.Option B. fai safe.Option C. safe ife.

Correct Answer is. fai safe.Exp anation. N ;.

Question Number. )&. @tress.Option A. is t"e propert% of a materia to resist fracture.Option B. is t"e oad per unit area actin! on a materia .Option C. is t"e deformation of a materia caused b% app ied oad.Correct Answer is. is t"e oad per unit area actin! on a materia .Exp anation. A;D6-& &.&.

Question Number. ) . A piece of structure w"ic" must be rep aced at a specified number of c%c es, f %in! "ours

or %ears, re!ard ess of its p"%sica condition is w"at t%pe of item/.Option A. @afe- ife.Option B. (ai -safe.Option C. Condition monitored.Correct Answer is. @afe- ife.Exp anation. N ;.

Question Number. )). f %ou are unab e to identif% a structure c assification as eit"er Primar% or @econdar%,w"at action s"ou d %ou adopt/.Option A. p!rade it to primar%.Option B. Frade it as secondar%.Option C. Paint it red and stamp it as tertiar%.Correct Answer is. p!rade it to primar%.Exp anation. N ;.

Question Number. )*. @afe- ife is.Option A. t"e s"arin! of oads between adGacent members.Option B. t"e minimum number of f %in! "ours t"at s"ou d e apse before a maGor structura fai ure occurs.Option C. t"e maximum number of f %in! "ours t"at s"ou d e apse before a maGor structura fai ure occurs.Correct Answer is. t"e maximum number of f %in! "ours t"at s"ou d e apse before a maGor structura fai ureoccurs.Exp anation. N ;.

Question Number. )4. Bendin! stresses are a combination of.Option A. torsiona and compression stresses.Option B. tension and s"ear stresses.Option C. tension and compression stresses.Correct Answer is. tension and compression stresses.Exp anation. N ;.

Question Number. )6. $"e Airwort"iness Notice t"at refers to structura surve%s is.


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Option A. Notice 4*.Option B. Notice 6:.Option C. Notice 8:.Correct Answer is. Notice 8:.Exp anation. $"ese A'Ns are now transferred to CAP6)6.

Question Number. )8. @tructura surve% inspections are norma % ca ed up b% t"e.Option A. operator.Option B. maintenance en!ineer.Option C. manufacturer.Correct Answer is. manufacturer.Exp anation. A'N 8:.

Question Number. ):. '"ere are win! stations measured from/.Option A. 'ater ;ine


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Question Number. *). 'rin# in! of t"e s#in on t"e upper surface of t"e fuse a!e indicates.Option A. "o!!in!.Option B. s"eddin!.Option C. sa!!in!.

Correct Answer is. sa!!in!.Exp anation. N ;.

Question Number. **. f a redundant structure fai s it becomes.Option A. safe- ife.Option B. fati!ued.Option C. fai safe.Correct Answer is. fai safe.Exp anation. N ;.

Question Number. *4. A redundant structure is.

Option A. on-condition structure.Option B. a safe- ife structure.Option C. a fai safe structure.Correct Answer is. a fai safe structure.Exp anation. N ;.

Question Number. *6. $"e measurement of t"e fuse a!e perpendicu ar to "ori onta p ane measured in inc"esfrom bottom of t"e fuse a!e is.Option A. butt ine.Option B. water ine.Option C. fuse a!e station.Correct Answer is. water ine.Exp anation. N ;.

Question Number. *8. '"at are t"e four stresses to be considered w"en bui din! an aircraft/.Option A. Compression, $ension, $orsion, @tress.Option B. Compression, $orsion, @tress, @train.Option C. Compression, $orsion, $ension, @"ear.Correct Answer is. Compression, $orsion, $ension, @"ear.Exp anation. N ;.

Question Number. *:. A structure t"at "as a "i!" desi!ned reserve stren!t" wou d be c assified as.Option A. secondar%.Option B. tertiar%.Option C. primar%.Correct Answer is. primar%.Exp anation. N ;.

Question Number. 43. An examp e of primar% stress is.Option A. tension.Option B. bendin!.


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Option C. s"ear.Correct Answer is. tension.Exp anation. N ;.

Question Number. 41. '"at is t"e water ine/.

Option A. $"e ero datum from w"ic" a atera ocations are measured.Option B. $"e datum from w"ic" vertica ocations refer.Option C. A ine be ow w"ic" redux bondin! can not be used.Correct Answer is. $"e datum from w"ic" vertica ocations refer.Exp anation. N ;.

Question Number. 4&. ;atera stations "ave station ero at t"e.Option A. nose.Option B. eft win! tip.Option C. centre ine.Correct Answer is. centre ine.Exp anation. N ;.

Question Number. 4 . Airwort"iness re9uirements for ar!e aircraft are found in.Option A. +A7 &*.Option B. ANO &*.Option C. C@ &*.Correct Answer is. C@ &*.Exp anation. +A7 &* is rep aced b% EA@A Certification @pecification C@ &*.

Question Number. 4). An Ant"ropomorp"ic $est 0umm%


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Correct Answer is. wettin! and @ettin!.Exp anation. A modu e 6 9uestions. $"e two processes in ad"esive bondin! is ?wettin! and settin!?.

Question Number. . Prior to a uminium a o% bondin!, we use.Option A. acid etc".

Option B. a #a ine etc".Option C. so vent etc".Correct Answer is. acid etc".Exp anation. P"osp"oric acid and c"romic acid was".

Question Number. ). $"e purpose of a primer is to.Option A. provide f exib e surface for t"e top coat.Option B. "e p bondin! of t"e topcoat.Option C. provide s"in% surface for t"e topcoat.Correct Answer is. "e p bondin! of t"e topcoat.Exp anation. CA Ps B;D4-&3 PAra.&.1.

Question Number. *. n semi-monoco9ue construction, compression oads are ta#en b%.Option A. strin!ers.Option B. bu #"eads.Option C. frames.Correct Answer is. strin!ers.Exp anation. CA P A;D6-& para &.4 < ast sentence=.

Question Number. 4. 2ost ar!e transport aircraft s#ins are.Option A. 636*.Option B. *3*4.Option C. &3&).Correct Answer is. &3&).Exp anation. +eppesen A P $ec"nician Airframe $extboo# &-8.

Question Number. 6. '"ic" of t"e fo owin! statements is correct, in re ation to P; was"ers used in criticabo ted Goints/.Option A. P; was"ers can on % be used wit" se f oc#in! nuts and t"e was"ers s"ou d be used once.Option B. P; was"ers can be affected b% t"read or nut friction or b% ubrication.Option C. P; was"ers can be used more t"an once, providin! t"e% are used in critica bo ted Goints.Correct Answer is. P; was"ers can on % be used wit" se f oc#in! nuts and t"e was"ers s"ou d be used once.Exp anation. CA Ps A;D6-8 Para ).*.).

Question Number. 8. '"at opposes buc# in! in a semi-monoco9ue structure/.Option A. Bu #"eads.Option B. (rames.Option C. @trin!ers.Correct Answer is. @trin!ers.Exp anation. CA Ps A;D6.& para . .

Question Number. :. n a monoco9ue structure, w"ic" component carries t"e maGorit% of t"e oads/.


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Option A. ;on!erons.Option B. @trin!ers.Option C. @#in.Correct Answer is. @#in.Exp anation. A P 2ec"anic andboo# Pa!e &*-&8.

Question Number. 13. '"ic" anti-corrosive treatment is found on a o% stee s/.Option A. Nic#e p atin!.Option B. inc p atin!.Option C. Cadmium p atin!.Correct Answer is. Cadmium p atin!.Exp anation. CA Ps B;D6-&.

Question Number. 11. '"at materia can be c"romated as a protection a!ainst corrosion/.Option A. A uminium a o%s.Option B. (errous a o%s.Option C. 2a!nesium a o%s.

Correct Answer is. 2a!nesium a o%s.Exp anation. CA Ps B;D6- .

Question Number. 1&. '"en carr%in! out a s%mmetr% c"ec# on a ar!e aircraft, w"at met"od of measurementis norma % used/.Option A. ;atera a i!nment met"od.Option B. ;on!itudina a i!nment met"od.Option C. @tee tape and sprin! ba ance.Correct Answer is. @tee tape and sprin! ba ance.Exp anation. CA Ps A;D6-1& . .* i.

Question Number. 1 . Paint remover substances.Option A. are not dama!in! to an% aircraft parts.Option B. are dama!in! to some aircraft parts.Option C. s"ou d on % be used once.Correct Answer is. are dama!in! to some aircraft parts.Exp anation. CA Ps B;D4-&3 11.1.

Question Number. 1). $o remove a rivet.Option A. c"ise off t"e rivet "ead, and remove t"e s"an# wit" a meta punc".Option B. dri t"e "ead wit" a dri bit t"e same si e as t"e rivet s"an#, c"ise off t"e rivet "ead, and removet"e s"an# wit" a meta punc".Option C. dri t"e "ead wit" a dri bit s i!"t % sma er t"an t"e rivet s"an#, c"ise off t"e rivet "ead, andremove t"e s"an# wit" a meta punc".Correct Answer is. dri t"e "ead wit" a dri bit t"e same si e as t"e rivet s"an#, c"ise off t"e rivet "ead, andremove t"e.Exp anation. CAA Ps ;eaf et 4-) .6.1 sa%s ?dri e9ua in diameter t"an t"at of t"e rivet?, but CA Ps B;D4-&: para13.1 sa%s ?s i!"t % sma er?. 'e c"ose t"e former, because it is current.

Question Number. 1*. Batter% tra%s are.Option A. absorbent to soa# up e ectro %te.


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Option B. meta for eart"in! purposes.Option C. meta wit" P C coatin! and anti corrosive paint.Correct Answer is. meta wit" P C coatin! and anti corrosive paint.Exp anation. Aircraft E ectrica @%stems. Pa ett Pa!e &).

Question Number. 14. $"e primar% purpose of sea ant in use in pressurised aircraft is.Option A. to sea t"e cabin.Option B. to prevent corrosion.Option C. to provide externa stream inin!.Correct Answer is. to sea t"e cabin.Exp anation. CA P A;D6-& para. .6. "ttpIDDwww.tpub.comDcontentDaviationD1)3&&DcssD1)3&&J1*4."tm

Question Number. 16. '"en insta in! a ? i- oc#? bo t, it is necessar% to.Option A. ubricate t"e co ar.Option B. ubricate t"e s"an# and t"reads.Option C. simp % fit t"e bo t as t"e% are pre ubricated.Correct Answer is. simp % fit t"e bo t as t"e% are pre ubricated.

Exp anation. N ;. "ttpIDDwww."i-s"ear.comDfasteners

Question Number. 18. @ea ant or eve in! compound is insta ed durin! structure repair.Option A. accordin! to separate manufacturer?s documentations suc" as BAC.Option B. accordin! to @B instructions.Option C. accordin! to A22 and @72 c"apter *1.Correct Answer is. accordin! to A22 and @72 c"apter *1.Exp anation. C"apter *1 is Fenera Practices.

Question Number. 1:. A bonded waff e doub er, as we as actin! as a s#in stren!t"ener, a so acts as a.Option A. tear stopper.Option B. Gur% strut.Option C. s"ear tie.Correct Answer is. tear stopper.Exp anation. CA Ps A;D6-&


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Question Number. &&. 0issimi ar meta fusion bondin! is best for.Option A. ow stren!t" "i!" tou!"ness.Option B. "i!" stren!t" "i!" ducti it%.Option C. "i!" stren!t" "i!" tou!"ness.Correct Answer is. "i!" stren!t" "i!" ducti it%.

Exp anation. N ;. "ttpIDDwww.user. asercom.netDnormaGeanDnormaGeanDnewpa!e1."tm

Question Number. & . $"e idea conditions for paint spra%in! an aircraft are.Option A. 1*KC to &*KC and "umidit% be ow 6*L.Option B. &3KC to 3KC and "umidit% be ow 63L.Option C. 1*KC to &*KC and "umidit% above 43L.Correct Answer is. 1*KC to &*KC and "umidit% be ow 6*L.Exp anation. B;D4-&3 *.

Question Number. &). '"at are t"e t%pes of true bonded Goints/.Option A. Cemented and specific.

Option B. 2ec"anica and specific.Option C. 2ec"anica and cemented.Correct Answer is. 2ec"anica and specific.Exp anation. Ni .

Question Number. &*. '"% is a Go!! e Goint used/.Option A. $o provide a f us" fit.Option B. $o provide a smoot" contour to surface.Option C. $o add stren!t".Correct Answer is. $o provide a f us" fit.Exp anation. Ar!uab % c a so, but t"e Go!! e does not provide t"e ?contour?.

Question Number. &4. '"en bot" sides of a structura repair are not easi % reac"ed, w"ic" t%pe of fastenerwou d %ou use/.Option A. B ind rivet.Option B. i oc# bo t.Option C. Pop rivet.Correct Answer is. B ind rivet.Exp anation. Pop rivet is not a b ind fastener because t"e bro#en stem must be retrieved.

Question Number. &6. 'it" re!ard to extraneous spi t f uids.Option A. t"e% ma% be "armfu to t"e aircraft structure.Option B. t"e% can be i!nored, t"e% provide extra protection.Option C. t"e% s"ou d on % be c eaned up if t"e% are on t"e externa surface of t"e aircraft.Correct Answer is. t"e% ma% be "armfu to t"e aircraft structure.Exp anation. N ;.

Question Number. &8. @#in pane s ma% be stren!t"ened b%.Option A. strin!ers.Option B. struts.Option C. c eats.


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Correct Answer is. strin!ers.Exp anation. N ;.

Question Number. &:. '"at is t"e norma form of construction of a spar/.Option A. One boom mounted under a web.

Option B. $wo webs separated b% a boom.Option C. $wo booms separated b% a web.Correct Answer is. $wo booms separated b% a web.Exp anation. N ;.

Question Number. 3. A crac# stopper is fitted.Option A. after a crac# starts, to s ow its rate of propa!ation.Option B. before a crac# starts, to prevent its initiation.Option C. before a crac# starts, to s ow its rate of propa!ation.Correct Answer is. before a crac# starts, to s ow its rate of propa!ation.Exp anation. N ;.

Question Number. 1. '"ic" of t"e fo owin! s"ou d be accomp is"ed before Gac#in! an aircraft/.Option A. nsta critica stress pane s or p ates.Option B. 7emove a optiona e9uipment.Option C. 0etermine t"e fue tan#s are empt%.Correct Answer is. nsta critica stress pane s or p ates.Exp anation. N ;.

Question Number. &. @%nt"etic resins are made from n% on, vin% and.Option A. asp"a t.Option B. ce u ose.Option C. acr% ics.Correct Answer is. acr% ics.Exp anation. N ;.

Question Number. . One of t"e advanta!es of t"e semi-monoco9ue construction is t"at it.Option A. is easier to manufacture.Option B. s"ares t"e oads.Option C. ta#es a t"e oads in t"e s#in.Correct Answer is. s"ares t"e oads.Exp anation. N ;.

Question Number. ). n a fu % monoco9ue fuse a!e, a t"e oads are carried b% t"e.Option A. frames.Option B. s#in.Option C. on!erons.Correct Answer is. s#in.Exp anation. N ;.

Question Number. *. ntercosta s are.Option A. vertica struts Goinin! t"e upper and ower win!s of a bip ane.


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Option B. on!itudina fuse a!e members attac"ed at eac" end to adGacent frames.Option C. compression ribs in canti ever win!s.Correct Answer is. on!itudina fuse a!e members attac"ed at eac" end to adGacent frames.Exp anation. N ;.

Question Number. 4. +oints t"at are desi!ned to stop t"e propa!ation of crac#s are #nown as.Option A. crac# imitin! Goints.Option B. secondar% Goints.Option C. fai safe Goints.Correct Answer is. fai safe Goints.Exp anation. N ;.

Question Number. 6. f an aircraft "as a #a ine batteries, t"e batter% compartment drain pipes wi be.Option A. a uminium a o%.Option B. stain ess stee .Option C. p astic.Correct Answer is. stain ess stee .

Exp anation. N ;.

Question Number. 8. An overwei!"t andin! is one in w"ic" t"e aircraft "as.Option A. a missed p aced centre of !ravit% on andin!.Option B. too muc" #inetic ener!% on andin!.Option C. an excessive fue oad on ta#e-off.Correct Answer is. too muc" #inetic ener!% on andin!.Exp anation. N ;.

Question Number. :. @%mmetr% c"ec#s s"ou d be carried out.Option A. in t"e "an!ar wit" t"e aircraft on its w"ee s.Option B. on t"e ramp wit" t"e aircraft on its w"ee s.Option C. in t"e "an!er wit" t"e aircraft on Gac#s.Correct Answer is. in t"e "an!er wit" t"e aircraft on Gac#s.Exp anation. CAA Ps ;eaf et 4-* para &.

Question Number. )3. $"e purpose of a was" primer and primer is to.Option A. "e p bondin! for top-coat.Option B. provide more aerod%namic finis" for top-coat.Option C. provide a f exib e surface for top-coat.Correct Answer is. "e p bondin! for top-coat.Exp anation. +eppesen A P Airframe $extboo#. pa!e 4-8.

Question Number. )1. 0ents are !enera % not permitted in a tubu ar member.Option A. if t"e maGor axis of t"e dent is para e to t"e tube axis irrespective of t"e ocation.Option B. if t"e% are ocated in t"e midd e t"ird of t"e en!t" of t"e member.Option C. if t"e% are ocated in t"e end t"irds of t"e en!t" of t"e member.Correct Answer is. if t"e% are ocated in t"e end t"irds of t"e en!t" of t"e member.Exp anation. N ;.


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Question Number. )&. '"en an item is cocooned, t"e visua indicator wi indicate.Option A. "umidit%.Option B. toxic !ases.Option C. temperature.Correct Answer is. "umidit%.Exp anation. N ;.

Question Number. ) . $"e maximum permissib e bow in a stee tube is.Option A. 1 in )33.Option B. 1 in 433.Option C. 1 in &33.Correct Answer is. 1 in 433.Exp anation. CAA Ps ;eaf et 4-) p1 .

Question Number. )). Buc# in! in a semi-monoco9ue structure is prevented b%.Option A. on!erons.Option B. bu #"eads.

Option C. strin!ers.Correct Answer is. strin!ers.Exp anation. N ;.

Question Number. )*. '"ic" oads do on!erons resist/.Option A. Bendin!, compression and tensi e.Option B. $orsiona on %.Option C. Bendin!, compression, tensi e and torsion.Correct Answer is. Bendin!, compression and tensi e.Exp anation. N ;.

11.0".1 Airframe Structures - Aeroplanes - Fuselage #ATA $ %$"%$ '.

Question Number. 1. '"at #ind of sea is used on firewa bu #"eads/.Option A. @oft rubber.Option B. (ire-proof !rommets.Option C. None is re9uired.Correct Answer is. (ire-proof !rommets.Exp anation. N ;.

Question Number. &. $"e two sta!es in a !ood ad"esive bond are.Option A. wettin! and @ettin!.Option B. wettin! and !rippin!.Option C. spreadin! and settin!.Correct Answer is. wettin! and @ettin!.Exp anation. A modu e 6 9uestions. $"e two processes in ad"esive bondin! is ?wettin! and settin!?.

Question Number. . Prior to a uminium a o% bondin!, we use.Option A. acid etc".Option B. a #a ine etc".Option C. so vent etc".


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Correct Answer is. acid etc".Exp anation. P"osp"oric acid and c"romic acid was".

Question Number. ). $"e purpose of a primer is to.Option A. provide s"in% surface for t"e topcoat.

Option B. provide f exib e surface for t"e top coat.Option C. "e p bondin! of t"e topcoat.Correct Answer is. "e p bondin! of t"e topcoat.Exp anation. CA Ps B;D4-&3 PAra.&.1.

Question Number. *. n semi-monoco9ue construction, compression oads are ta#en b%.Option A. strin!ers.Option B. bu #"eads.Option C. frames.Correct Answer is. strin!ers.Exp anation. CA P A;D6-& para &.4 < ast sentence=.

Question Number. 4. 2ost ar!e transport aircraft s#ins are.Option A. &3&).Option B. 636*.Option C. *3*4.Correct Answer is. &3&).Exp anation. +eppesen A P $ec"nician Airframe $extboo# &-8.

Question Number. 6. '"ic" of t"e fo owin! statements is correct, in re ation to P; was"ers used in criticabo ted Goints/.Option A. P; was"ers can be affected b% t"read or nut friction or b% ubrication.Option B. P; was"ers can on % be used wit" se f oc#in! nuts and t"e was"ers s"ou d be used once.Option C. P; was"ers can be used more t"an once, providin! t"e% are used in critica bo ted Goints.Correct Answer is. P; was"ers can on % be used wit" se f oc#in! nuts and t"e was"ers s"ou d be used once.Exp anation. CA Ps A;D6-8 Para ).*.).

Question Number. 8. '"at opposes buc# in! in a semi-monoco9ue structure/.Option A. @trin!ers.Option B. Bu #"eads.Option C. (rames.Correct Answer is. @trin!ers.Exp anation. CA Ps A;D6.& para . .

Question Number. :. n a monoco9ue structure, w"ic" component carries t"e maGorit% of t"e oads/.Option A. ;on!erons.Option B. @trin!ers.Option C. @#in.Correct Answer is. @#in.Exp anation. A P 2ec"anic andboo# Pa!e &*-&8.

Question Number. 13. '"ic" anti-corrosive treatment is found on a o% stee s/.


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Option A. inc p atin!.Option B. Cadmium p atin!.Option C. Nic#e p atin!.Correct Answer is. Cadmium p atin!.Exp anation. CA Ps B;D6-&.

Question Number. 11. '"at materia can be c"romated as a protection a!ainst corrosion/.Option A. A uminium a o%s.Option B. 2a!nesium a o%s.Option C. (errous a o%s.Correct Answer is. 2a!nesium a o%s.Exp anation. CA Ps B;D6- .

Question Number. 1&. '"en carr%in! out a s%mmetr% c"ec# on a ar!e aircraft, w"at met"od of measurementis norma % used/.Option A. ;atera a i!nment met"od.Option B. ;on!itudina a i!nment met"od.

Option C. @tee tape and sprin! ba ance.Correct Answer is. @tee tape and sprin! ba ance.Exp anation. CA Ps A;D6-1& . .* i.

Question Number. 1 . Paint remover substances.Option A. are dama!in! to some aircraft parts.Option B. s"ou d on % be used once.Option C. s"ou d on % be used once.Correct Answer is. are dama!in! to some aircraft parts.Exp anation. s"ou d on % be used once.

Question Number. 1). $o remove a rivet.Option A. dri t"e "ead wit" a dri bit s i!"t % sma er t"an t"e rivet s"an#, c"ise off t"e rivet "ead, andremove t"e s"an# wit" a meta punc".Option B. c"ise off t"e rivet "ead, and remove t"e s"an# wit" a meta punc".Option C. dri t"e "ead wit" a dri bit t"e same si e as t"e rivet s"an#, c"ise off t"e rivet "ead, and removet"e s"an# wit" a meta punc".Correct Answer is. dri t"e "ead wit" a dri bit t"e same si e as t"e rivet s"an#, c"ise off t"e rivet "ead, andremove t"e s"an# wit" a meta punc".Exp anation. CAA Ps ;eaf et 4-) .6.1 sa%s ?dri e9ua in diameter t"an t"at of t"e rivet?, but CA Ps B;D4-&: para13.1 sa%s ?s i!"t % sma er?. 'e c"ose t"e former, because it is current.

Question Number. 1*. Batter% tra%s are.Option A. absorbent to soa# up e ectro %te.Option B. meta for eart"in! purposes.Option C. meta wit" P C coatin! and anti corrosive paint.Correct Answer is. meta wit" P C coatin! and anti corrosive paint.Exp anation. Aircraft E ectrica @%stems. Pa ett Pa!e &).

Question Number. 14. $"e primar% purpose of sea ant in use in pressurised aircraft is.Option A. to sea t"e cabin.


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Option B. to prevent corrosion.Option C. to provide externa stream inin!.Correct Answer is.

to seal the cabin.Exp anation. CA P A;D6-& para. .6 and

"ttpIDDwww.tpub.co m/content/aviation/14022/css/14022_156.htm.

Question Number. 16. '"en insta in! a ? i- oc#? bo t, it is necessar% to.Option A. simp % fit t"e bo t as t"e% are pre ubricated.Option B. ubricate t"e co ar.Option C. ubricate t"e s"an# and t"reads.Correct Answer is. simp % fit t"e bo t as t"e% are pre ubricated.Exp anation. N ;. "ttpIDDwww."i-s"ear.comDfasteners

Question Number. 18. @ea ant or eve in! compound is insta ed durin! structure repairI.Option A. accordin! to A22 and @72 c"apter *1.Option B. accordin! to @B instructions.Option C. accordin! to separate manufacturer?s documentations suc" as BAC.Correct Answer is. accordin! to A22 and @72 c"apter *1.Exp anation. C"apter *1 is Fenera Practices.

Question Number. 1:. A bonded waff e doub er, as we as actin! as a s#in stren!t"ener, a so acts as a.Option A. Gur% strut.Option B. tear stopper.Option C. s"ear tie.Correct Answer is. tear stopper.Exp anation. CA Ps A;D6-&


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Correct Answer is. "i!" stren!t" "i!" stiffness.Exp anation. N ;.

Question Number. & . $"e idea conditions for paint spra%in! an aircraft are.Option A. &3KC to 3KC and "umidit% be ow 63L.

Option B. 1*KC to &*KC and "umidit% be ow 6*L.Option C. 1*KC to &*KC and "umidit% above 43L.Correct Answer is. 1*KC to &*KC and "umidit% be ow 6*L.Exp anation. B;D4-&3 *.

Question Number. &). '"at are t"e t%pes of true bonded Goints/.Option A. 2ec"anica and specific.Option B. 2ec"anica and cemented.Option C. 2ec"anica and cemented.Correct Answer is. 2ec"anica and specific.Exp anation. N ;.

Question Number. &*. '"% is a Go!! e Goint used/.Option A. $o provide a smoot" contour to surface.Option B. $o add stren!t".Option C. $o provide a f us" fit.Correct Answer is. $o provide a f us" fit.Exp anation. Ar!uab % c a so, but t"e Go!! e does not provide t"e ?contour?.

Question Number. &4. '"en bot" sides of a structura repair are not easi % reac"ed, w"ic" t%pe of fastenerwou d %ou use/.Option A. Pop rivet.Option B. i oc# bo t.Option C. B ind rivet.Correct Answer is. B ind rivet.Exp anation. Pop rivet is not a b ind fastener because t"e bro#en stem must be retrieved.

Question Number. &6. 'it" re!ard to extraneous spi t f uids.Option A. t"e% ma% be "armfu to t"e aircraft structure.Option B. t"e% s"ou d on % be c eaned up if t"e% are on t"e externa surface of t"e aircraft.Option C. t"e% can be i!nored, t"e% provide extra protection.Correct Answer is. t"e% ma% be "armfu to t"e aircraft structure.Exp anation. N ;.

Question Number. &8. @#in pane s ma% be stren!t"ened b%.Option A. c eats.Option B. struts.Option C. strin!ers.Correct Answer is. strin!ers.Exp anation. N ;.

Question Number. &:. '"at is t"e norma form of construction of a spar/.


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Option A. $wo webs separated b% a boom.Option B. One boom mounted under a web.Option C. $wo booms separated b% a web.Correct Answer is. $wo booms separated b% a web.Exp anation. N ;.

Question Number. 3. A crac# stopper is fitted.Option A. before a crac# starts, to prevent its initiation.Option B. before a crac# starts, to s ow its rate of propa!ation.Option C. after a crac# starts, to s ow its rate of propa!ation.Correct Answer is. before a crac# starts, to s ow its rate of propa!ation.Exp anation. N ;.

Question Number. 1. '"ic" of t"e fo owin! s"ou d be accomp is"ed before Gac#in! an aircraft/.Option A. nsta critica stress pane s or p ates.Option B. 0etermine t"e fue tan#s are empt%.Option C. 7emove a optiona e9uipment.

Correct Answer is. nsta critica stress pane s or p ates.Exp anation. N ;.

Question Number. &. @%nt"etic resins are made from n% on, vin% and.Option A. asp"a t.Option B. ce u ose.Option C. acr% ics.Correct Answer is. acr% ics.Exp anation. N ;.

Question Number. . One of t"e advanta!es of t"e semi-monoco9ue construction is t"at it.Option A. is easier to manufacture.Option B. s"ares t"e oads.Option C. ta#es a t"e oads in t"e s#in.Correct Answer is. s"ares t"e oads.Exp anation. N ;.

Question Number. ). n a fu % monoco9ue fuse a!e, a t"e oads are carried b% t"e.Option A. on!erons.Option B. frames.Option C. s#in.Correct Answer is. s#in.Exp anation. N ;.

Question Number. *. ntercosta s are.Option A. vertica struts Goinin! t"e upper and ower win!s of a bip ane.Option B. compression ribs in canti ever win!s.Option C. on!itudina fuse a!e members attac"ed at eac" end to adGacent frames.Correct Answer is. on!itudina fuse a!e members attac"ed at eac" end to adGacent frames.Exp anation. N ;.


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Question Number. 4. +oints t"at are desi!ned to stop t"e propa!ation of crac#s are #nown as.Option A. fai safe Goints.Option B. secondar% Goints.Option C. crac# imitin! Goints.Correct Answer is. fai safe Goints.

Exp anation. N ;.

Question Number. 6. f an aircraft "as a #a ine batteries, t"e batter% compartment drain pipes wi be.Option A. p astic.Option B. a uminium a o%.Option C. stain ess stee .Correct Answer is. stain ess stee .Exp anation. N ;.

Question Number. 8. An overwei!"t andin! is one in w"ic" t"e aircraft "as.Option A. too muc" #inetic ener!% on andin!.

Option B. a missed p aced centre of !ravit% on andin!.Option C. an excessive fue oad on ta#e-off.Correct Answer is. too muc" #inetic ener!% on andin!.Exp anation. N ;.

Question Number. :. @%mmetr% c"ec#s s"ou d be carried out.Option A. in t"e "an!ar wit" t"e aircraft on its w"ee s.Option B. on t"e ramp wit" t"e aircraft on its w"ee s.Option C. in t"e "an!er wit" t"e aircraft on Gac#s.Correct Answer is. in t"e "an!er wit" t"e aircraft on Gac#s.Exp anation. N ;.

Question Number. )3. $"e purpose of a was" primer and primer is to.Option A. "e p bondin! for top-coat.Option B. provide a f exib e surface for top-coat.Option C. provide more aerod%namic finis" for top-coat.Correct Answer is. "e p bondin! for top-coat.Exp anation. +eppesen A P Airframe $extboo#. pa!e 4-8.

Question Number. )1. 0ents are !enera % not permitted in a tubu ar member.Option A. if t"e% are ocated in t"e end t"irds of t"e en!t" of t"e member.Option B. if t"e maGor axis of t"e dent is para e to t"e tube axis irrespective of t"e ocation.Option C. if t"e% are ocated in t"e midd e t"ird of t"e en!t" of t"e member.Correct Answer is. if t"e% are ocated in t"e end t"irds of t"e en!t" of t"e member.Exp anation. N ;.

Question Number. )&. '"en an item is cocooned, t"e visua indicator wi indicate.Option A. "umidit%.Option B. temperature.Option C. toxic !ases.Correct Answer is. "umidit%.


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Exp anation. N ;.

Question Number. ) . $"e maximum permissib e bow in a stee tube is.Option A. 1 in 433.Option B. 1 in &33.

Option C. 1 in )33.Correct Answer is. 1 in 433.Exp anation. CAA Ps ;eaf et 4-) p1 .

Question Number. )). Buc# in! in a semi-monoco9ue structure is prevented b%.Option A. strin!ers.Option B. on!erons.Option C. bu #"eads.Correct Answer is. strin!ers.Exp anation. N ;.

Question Number. )*. '"ic" oads do on!erons resist/.Option A. $orsiona on %.Option B. Bendin!, compression, tensi e and torsion.Option C. Bendin!, compression and tensi e.Correct Answer is. Bendin!, compression and tensi e.Exp anation. N ;.

11.0". Airframe Structures - Aeroplanes - (ings #ATA $)'.

Question Number. 1. A spar web wi ta#e oads in.Option A. bendin!.Option B. tension.Option C. s"ear.Correct Answer is. s"ear.Exp anation. $"e spar as a w"o e, ta#es bendin! and s"ear. $"e bendin! is ta#en b% t"e booms


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Question Number. ). A canti ever win! is a.Option A. usua air iner win!.Option B. top win! of a bip ane.Option C. swept-bac# win!.Correct Answer is. usua air iner win!.

Exp anation. CA Ps A;D6-& fi! &.

Question Number. *. On a mono-spar win!, w"at !ives t"e win! its profi e contour/.Option A. 2i ed strin!ers.Option B. $"e position of t"e spars.Option C. 7ibs.Correct Answer is. 7ibs.Exp anation. A;D6-& para ).&.

Question Number. 4. A win!?s eadin! ed!e wou d "ave provisions and in#a!es for s ats and.Option A. eadin! ed!e f aps.

Option B. trai in! ed!e f aps.Option C. s ots.Correct Answer is. eadin! ed!e f aps.Exp anation. @ ots are fixed features - no in#a!es, or are produced w"en t"e s ats open.

Question Number. 6. $"e mid-spar is fitted in ar!e aircraft to.Option A. support fittin! t"e en!ine mount andin! !ear mount.Option B. assist t"e main spar wit" operationa oads.Option C. provide redundant desi!n.Correct Answer is. assist t"e main spar wit" operationa oads.Exp anation. N ;.

Question Number. 8. $"e main undercarria!e is attac"ed to t"e.Option A. aircraft structure.Option B. rear main spar.Option C. front main spar.Correct Answer is. aircraft structure.Exp anation. $"e on % w"o % correct answer.

Question Number. :. $"e fina coat of sea in! in a inte!ra fue tan# is ca ed.Option A. fi et.Option B. interfa%.Option C. brus" coat.Correct Answer is. brus" coat.Exp anation. B6 6 ANN &8-11-33 pa!e 811, t"e coats of sea ant for repair fue tan#s ea# are termed as fi et,inGection and prepac#. (i et sea is t"e first coat.

Question Number. 13. $"e princip e oad bearin! members of t"e win! are.Option A. spars.Option B. struts.Option C. ribs.


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Correct Answer is. spars.Exp anation. N ;.

Question Number. 11. One purpose of a rib is to.Option A. support t"e bendin! oads on a fuse a!e.

Option B. form t"e main atera member in an aerofoi .Option C. maintain t"e correct contour of an aerofoi s coverin!.Correct Answer is. maintain t"e correct contour of an aerofoi s coverin!.Exp anation. N ;.

Question Number. 1&. '"at is a canti ever win!/.Option A. One t"at fo ds for access to imited space.Option B. One t"at "as externa supportin! struts.Option C. One t"at "as no externa supportin! struts.Correct Answer is. One t"at "as no externa supportin! struts.Exp anation. N ;.

Question Number. 1 . A spar is tapered from root to tip because.Option A. s"ear forces are !reatest at t"e root.Option B. bendin! moment is !reatest at t"e root.Option C. centre of ift occurs c ose to t"e root.Correct Answer is. bendin! moment is !reatest at t"e root.Exp anation. A;D6-& para ).1.

Question Number. 1). A spar web is.Option A. a member between t"e spar and win!Dfuse a!e connection.Option B. an area between two spar caps.Option C. a ribDspar Goint.Correct Answer is. a member between t"e spar and win!Dfuse a!e connection.Exp anation. N ;.

Question Number. 1*. A eadin! ed!e s at is attac"ed to t"e.Option A. s at trac#.Option B. win! upper s#in.Option C. front spar.Correct Answer is. s at trac#.Exp anation. N ;. "ttpIDDwww.b6 6.or!.u#Df i!"tcontro s."tm

113 .


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Question Number. &. $"e term ?empenna!e? incorporates.Option A. rudder, ai erons, spoi ers.Option B. e evators, stabi iser, ai erons.Option C. e evators, stabi iser, rudder.Correct Answer is. e evators, stabi iser, rudder.Exp anation. N ;.

Question Number. . $"e four main structura items ma#in! up a "ori onta stabi iser are.Option A. spar, rib, bu #"eads, s#in pane s.Option B. spar, rib, strin!ers, s#in pane s.Option C. spar, rib, on!erons, s#in pane s.Correct Answer is. spar, rib, strin!ers, s#in pane s.Exp anation. N ;.

Question Number. ). $o correct for nose "eaviness on an aircraft fitted wit" a variab e incidence tai p ane, t"eincidence of t"e tai p ane wou d be.Option A. decreased, w"ic" is done b% owerin! t"e eadin! ed!e.

Option B. decreased, w"ic" is done b% owerin! t"e trai in! ed!e.Option C. increased, w"ic" is done b% owerin! t"e eadin! ed!e.Correct Answer is. decreased, w"ic" is done b% owerin! t"e eadin! ed!e.Exp anation. N ;.

Question Number. *. An upward e evator def ection on t"e reverse camber tai p ane.Option A. ma% increase or decrease down oad dependin! upon t"e aircraft C of F position.Option B. wi decrease tai p ane down oad.Option C. wi increase tai p ane down oad.Correct Answer is. wi increase tai p ane down oad.Exp anation. N ;.

Question Number. 4. ariab e incidence tai p anes.Option A. move rapid % w"en trimmin! t"e aircraft durin! c imb.Option B. out and andin! approac" and s ow % durin! cruise a wa%s move s ow %.Option C. move rapid % w"en trimmin! t"e aircraft durin! t"e andin! approac" and s ow % at a ot"er times.Correct Answer is. move rapid % w"en trimmin! t"e aircraft durin! c imb out and andin! approac" and s ow %durin! cruise.Exp anation. B6 6-)33, A22 &6-)1-33 PAFE * para 1.c, trim speed is depend on t"e f ap position. $rim rate wit"f aps retracted is 1D t"e trim rate wit" f aps extended.

Question Number. 6. $"e direction of trave of an e ectrica % operated variab e incidence tai p ane isdetermined b%.Option A. a !earbox.Option B. so enoid operated c utc"es.Option C. direction of rotation of t"e e ectric motor.Correct Answer is. so enoid operated c utc"es.Exp anation. N ;.

Question Number. 8. On an aircraft wit" a variab e incidence trimmin! tai p ane, t"e tai p ane incidencec"an!es.


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Option A. if t"e contro co umn is moved bac# or forward.Option B. automatica % if t"e e evator moves.Option C. if t"e trim w"ee is turned bac# or forward.Correct Answer is. if t"e trim w"ee is turned bac# or forward.Exp anation. N ;.

11.0".*. Airframe Structures - Aeroplanes - Flight Control Surfaces #ATA $$%$)'.

Question Number. 1. Construction suc" as "orn ba ance and inset "in!e ba ance insta ed on contro surfaceassemb %.Option A. serves as a ?servo? s%stem of ba ance.Option B. "as same effect of t"e ba ance tab.Option C. is meant to trim CF of contro surfaces.Correct Answer is. "as same effect of t"e ba ance tab.Exp anation. A P $ec"nician Airframe $extboo#. +eppesen 1-&) fi! 1-*:, ba ance tab 1-& -para .

Question Number. &. $"e fin "e ps to !ive.

Option A. directiona stabi it% about t"e norma axis.Option B. on!itudina stabi it% about t"e norma axis.Option C. directiona stabi it% about t"e on!itudina axis.Correct Answer is. directiona stabi it% about t"e norma axis.Exp anation. +eppesen A P $ec"nician Airframe $extboo# 1-&&.

Question Number. . '"ic" of t"e fo owin! are primar% contro surfaces/.Option A. 7o spoi ers, e evators, tabs.Option B. E evators, ro spoi ers, tabs.Option C. E evators, ai erons, rudder.Correct Answer is. E evators, ai erons, rudder.Exp anation. N ;.

Question Number. ). Aerod%namic ba ance.Option A. wi reduce aerod%namic oadin!.Option B. wi cause CP to move towards t"e trai in! ed!e and cause instabi it%.Option C. wi cause CP to move towards t"e trai in! ed!e and cause instabi it%.Correct Answer is. wi reduce aerod%namic oadin!.Exp anation. N ;.

Question Number. *. ( utter can be reduced b% usin!.Option A. servo tabs.Option B. mass ba ancin!.Option C. a "orn ba ance.Correct Answer is. mass ba ancin!.Exp anation. N ;.

Question Number. 4. An e evator provides contro about t"e.Option A. "ori onta stabi i er.Option B. on!itudina axis.Option C. atera axis.


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Correct Answer is. atera axis.Exp anation. N ;.

Question Number. 6. $"e outboard ai erons on some ar!e aircraft.Option A. are iso ated at ow speeds.

Option B. are iso ated to improve sensitivit%.Option C. are iso ated at "i!" speeds.Correct Answer is. are iso ated at "i!" speeds.Exp anation. N ;.

Question Number. 8. An excess of aerod%namic ba ance wou d move t"e contro surface centre of pressure.

Option A. rearwards, resu tin! in too muc" assistance.Option B. rearwards, resu tin! in oss of assistance.Option C. forwards, resu tin! in an unstab e overba ance.Correct Answer is. forwards, resu tin! in an unstab e overba ance.Exp anation. N ;.

Question Number. :. A f %in! contro mass ba ance wei!"t.Option A. #eeps t"e contro surface C of F as c ose to t"e trai in! ed!e as possib e.Option B. tends to move t"e contro surface C of F c ose to t"e "in!e ine.Option C. ensures t"at t"e C of F a wa%s acts to aid t"e pi ot t"us re ievin! contro co umn oad.Correct Answer is. tends to move t"e contro surface C of F.c ose to t"e "in!e ine.Exp anation. N ;.

Question Number. 13. '"at is attac"ed to t"e rear of t"e vertica stabi i er/.Option A. E evator.Option B. Ai eron.Option C. 7udder.Correct Answer is. 7udder.Exp anation. N ;.

Question Number. 11. $"e met"od emp o%ed to mass ba ance contro surfaces is to.Option A. attac" wei!"ts forward of t"e "in!e ine.Option B. a ow t"e eadin! ed!e of t"e surface to proGect into t"e airf ow.Option C. fit bias strips to t"e trai in! ed!e of t"e surfaces.Correct Answer is. attac" wei!"ts forward of t"e "in!e ine.Exp anation. N ;.

Question Number. 1&. Contro surface f utter ma% be caused b%.Option A. excessive p a% in trim tab attac"ments.Option B. "i!" static friction in trim tab contro tabs.Option C. incorrect an!u ar movement of trim tabs.Correct Answer is. excessive p a% in trim tab attac"ments.Exp anation. N ;.

Question Number. 1 . A ?frise? ai eron is incorporated to.


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Option A. provide aerod%namic ba ancin! so assistin! t"e pi ot to move t"e contro .Option B. ensure ai eron contro is retained at "i!" an! es of attac#.Option C. e9ua i e ai eron dra! in a turn.Correct Answer is. e9ua i e ai eron dra! in a turn.Exp anation. N ;.

Question Number. 1). Aerod%namic ba ance of a contro surface ma% be ac"ieved.Option A. b% a "orn at t"e extremit% of t"e surface forward of t"e "in!e ine.Option B. b% a trimmin! strip at t"e trai in! ed!e of t"e surface.Option C. b% wei!"ts added to t"e contro surface aft of t"e "in!e ine.Correct Answer is. b% a "orn at t"e extremit% of t"e surface forward of t"e "in!e ine.Exp anation. +eppesen A P $ec"nician Airframe $extboo# Pa!e &) Para 6.

Question Number. 1*. A contro surface is provided wit" aerod%namic ba ancin! to.Option A. decrease t"e dra! w"en t"e contro is def ected.Option B. assist t"e pi ot in movin! t"e contro .Option C. increase stabi it%.

Correct Answer is. assist t"e pi ot in movin! t"e contro .Exp anation. +eppesen A P $ec"nician Airframe $extboo# Pa!e &) Para 6.

Question Number. 14. $"e extension to t"e rudder


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Correct Answer is. ma#e t"e f %in! contro s easier to move.Exp anation. N ;.

Question Number. &3. A "orn ba ance is.Option A. a rod proGectin! forward from t"e contro surface wit" a wei!"t on t"e end.

Option B. a rod proGectin! upward from t"e main contro surface to w"ic" t"e contro cab es are attac"ed.Option C. a proGection of t"e outer ed!e of t"e contro surface forward of t"e "in!e ine.Correct Answer is. a proGection of t"e outer ed!e of t"e contro surface forward of t"e "in!e ine.Exp anation. +eppesen AP $ec"nician Airframe $extboo# Pa!e 14

Question Number. &1. A contro surface is mass ba anced b%.Option A. t"e attac"ment of wei!"ts actin! forward of t"e "in!e ine.Option B. t"e attac"ment of wei!"ts actin! on t"e "in!e ine.Option C. fittin! a ba ance tab.Correct Answer is. t"e attac"ment of wei!"ts actin! forward of t"e "in!e ine.Exp anation. N ;.

Question Number. &&. $"e purpose of anti-ba ance tabs is to.Option A. re ieve stic# oads.Option B. trim t"e aircraft.Option C. !ive more fee to t"e contro co umn.Correct Answer is. !ive more fee to t"e contro co umn.Exp anation. N ;.

Question Number. & . A f %in! contro mass ba ance wei!"t.Option A. tends to move t"e contro surface C of F forward of t"e "in!e ine.Option B. tends to move t"e contro surface C of F c ose to t"e "in!e ine.Option C. #eeps t"e contro surface C of F as c ose to t"e trai in! ed!e as possib e.Correct Answer is. tends to move t"e contro surface C of F c ose to t"e "in!e ine.Exp anation. N ;.

Question Number. &). An e evator contro s t"e aircraft motion in.Option A. %aw.Option B. pitc".Option C. ro .Correct Answer is. pitc".Exp anation. N ;.

11.0".$. Airframe Structures - Aeroplanes - +acelles% ylons #ATA $*'.

Question Number. 1. +et en!ines are usua % mounted b%.Option A. a uminium castin!s.Option B. for!ed mounts and bo ted to aircraft for!ed structure.Option C. we ded stee tubin!.Correct Answer is. for!ed mounts and bo ted to aircraft for!ed structure.Exp anation. N ;.


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Question Number. &. A p% on structura member supports t"e.Option A. centre section.Option B. en!ine.Option C. empenna!e.Correct Answer is. en!ine.Exp anation. N ;.

Question Number. . 'in! mounted podded en!ines and inte!ra fue tan#s.Option A. provide win! bendin! re ief.Option B. provide increased safet% if t"e undercarria!e co apses on andin!.Option C. reduce tai p ane down oad.Correct Answer is. provide win! bendin! re ief.Exp anation. N ;.

11.3)


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Option B. cabin over pressure re ief va ve.Option C. be ows in t"e outf ow va ve.Correct Answer is. a titude sensor.Exp anation. CA P A;D -& para 6.

Question Number. 4. $"e basic s%stem of cabin pressurisation is to arran!e a constant.Option A. in et and var% t"e out et.Option B. out et and var% t"e in et.Option C. in et and out et.Correct Answer is. in et and var% t"e out et.Exp anation. +eppesen A P tec"nician Airframe $extboo# Pa!e 1)-&3.

Question Number. 6. $"e purpose of t"e differentia capsu e in a pressure contro er is to contro .Option A. cabin differentia pressure.Option B. t"e rate of pressurisation.Option C. cabin air f ow.Correct Answer is. cabin differentia pressure.

Exp anation. +eppesen AP tec"nician Airframe $extboo# Pa!e 1)-&&. CA Ps A;D -& .

Question Number. 8. Contro of rate of c"an!e of cabin pressure is.Option A. more important in ascent.Option B. e9ua % important in ascent and descent.Option C. more important in descent.Correct Answer is. more important in descent.Exp anation. +eppesen AP tec"nician Airframe $extboo# Pa!e 1)-&3 onwards. CA Ps A;D -& .

Question Number. :. 'it" a pressurised aircraft at maximum differentia pressure and a cabin pressureincrease occurs, t"e differentia capsu e in t"e pressure contro er wi .Option A. et pressurisation to be switc"ed off unti ea#s cause a drop in pressure.Option B. et a pressurisin! air to be spi ed overboard.Option C. "ave a constant mass f ow.Correct Answer is. et a pressurisin! air to be spi ed overboard.Exp anation. CA Ps A;D -& para ). .1 .

Question Number. 13. f t"e cabin a titude increases above t"e norma maximum.Option A. a warnin! i!"t comes on in t"e coc#pit.Option B. compressor de iver% is automatica % boosted.Option C. an inward re ief va ve opens.Correct Answer is. a warnin! i!"t comes on in t"e coc#pit.Exp anation. CA Ps A;D -& para ).).).

Question Number. 11. A water separator is ocated.Option A. downstream of "eat exc"an!er.Option B. downstream of turbine.Option C. upstream of t"e turbine.Correct Answer is. downstream of turbine.Exp anation. +eppesen A P $ec"nician Airframe $extboo# Pa!e 14- 3 or CA Ps A;D -&) ).&. fi! .


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Question Number. 1&. A comfortab e rate of cabin a titude c imb for passen!ers is.Option A. *33 ft. per min.Option B. 33 ft. per min.Option C. 133 ft. per min.Correct Answer is. *33 ft. per min.

Exp anation. CA Ps A;D -& .

Question Number. 1 . Before carr%in! out a !round pressure c"ec#,.Option A. set a timeter to QN .Option B. c"ec# a pitot and static ines are fitted.Option C. turn on a instruments.Correct Answer is. c"ec# a pitot and static ines are fitted.Exp anation. CA Ps A;D -& Para 1&.&.*.

Question Number. 1). On touc"-down of aircraft.Option A. t"e outf ow va ve wi be s"ut.

Option B. t"e cabin pressure wi be ero.Option C. t"e outf ow va ve wi be fu % open.Correct Answer is. t"e outf ow va ve wi be fu % open.Exp anation. N ;.

Question Number. 1*. $"e ve ocit% of air from t"e cabin venti ation s%stem s"ou d not exceed.Option A. )3 feet per second.Option B. 1&3 feet per second.Option C. &3 feet per second.Correct Answer is. 1&3 feet per second.Exp anation. BCA7 @ection 04.

Question Number. 14. On an aircraft emp o%in! a "eater s%stem on t"e air conditionin! s%stem, after anover"eat, "ow is t"e "eater reset/.Option A. After it coo s t"e pi ot resets.Option B. On !round on % b% en!ineer.Option C. After coo in! be ow 33KC it auto resets.Correct Answer is. On !round on % b% en!ineer.Exp anation. A P $ec"nician Airframe p! 1)- 3 under @afet% (eatures.

Question Number. 16. 0itc"in! contro is used to.Option A. ac"ieve rapid depressurisation.Option B. c ose t"e outf ow va ves.Option C. maintain cabin pressure at sea eve .Correct Answer is. c ose t"e outf ow va ves.Exp anation. CA Ps A;D -& fi! * item , CAA Ps ;eaf et *-&.

Question Number. 18. '"en pressurisin! t"e aircraft on t"e !round for test purposes, interna doors, cupboardsetc. must be.Option A. a c osed.Option B. a open.


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Option C. removed.Correct Answer is. a open.Exp anation. A;D -& 1&. .).

Question Number. 1:. Prior to conductin! a !round pressurisation test, it is necessar% to.

Option A. set Q(E.Option B. disconnect t"e emer!enc% pressure re ief va ve.Option C. resetDdisab e t"e pressure contro er.Correct Answer is. resetDdisab e t"e pressure contro er.Exp anation. $"e pressurisation s%stem must be contro ed manua %. @ettin! Q(E is for t"e automatic contro oft"e va ves.

Question Number. &3. n t%pica vapour c%c e s%stem, t"e sub-coo er.Option A. is a "eat exc"an!er to super"eat t"e vapour.Option B. de ivers extra coo in! effect w"en t"e aircraft is on !round.Option C. coo s t"e vapour furt"er to prevent s u!!in!.Correct Answer is. is a "eat exc"an!er to super"eat t"e vapour.

Exp anation. N ;. "ttpIDDwww.tpub.comDcontentDaviationD1)3&3DcssD1)3&3J134."tm

Question Number. &1. n an air conditionin! s%stem, "eat is added to air b%.Option A. restrictin! compressor out et.Option B. restrictin! compressor in et.Option C. restrictin! duct out ets.Correct Answer is. restrictin! compressor out et.Exp anation. Best answer we can !et to a bad 9uestion. eat is added b% var%in! t"e amount of compressorout et air t"at b%passes t"e "eat exc"an!er.

Question Number. &&. '"ic" of t"e fo owin! can be used on t"e !round/.Option A. $urbo fan.Option B. $urbo compressor.Option C. $urbo bra#e.Correct Answer is. $urbo fan.Exp anation. sed on air conditionin! s%stems to supp % air on !round.

Question Number. & . Air conditionin! s%stems.Option A. increase and decrease t"e temperature of air.Option B. increase t"e temperature of air.Option C. decrease t"e temperature of air.Correct Answer is. decrease t"e temperature of air.Exp anation. CA Ps A;D -&) Para &.&.

Question Number. &). An air c%c e mac"ine turbine.Option A. drives compressor to increase temperature.Option B. drives compressor to decrease temperature.Option C. drives compressor to pressurise aircraft.Correct Answer is. drives compressor to increase temperature.Exp anation. $"e compressor is to NC7EA@E t"e temperature to increase t"e rate at w"ic" "eat ener!% can beextracted.


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Question Number. &*. n t"e f i!"tdec# of a pressurised aircraft, t"ere is a !au!e t"at s"ows.Option A. cabin differentia pressure.Option B. cabin pressure a titude.Option C. aircraft a titude.

Correct Answer is. cabin differentia pressure.Exp anation. +eppesen AP $ec"nician Airframe $extboo# Pa!e 1)-& .

Question Number. &4. Air exitin! t"e compressor side of an AC2.Option A. wi "ave decreased pressure and temperature.Option B. no c"an!e in temperature or pressure as it is a centrifu!a compressor.Option C. wi "ave increased pressure and temperature.Correct Answer is. wi "ave increased pressure and temperature.Exp anation. N ;.

Question Number. &6. Cabin differentia pressure is t"e pressure difference between.

Option A. 8,333ft and standard barometric pressure.Option B. sea eve air pressure and indicated d%namic pressure in t"e cabin.Option C. t"e pressure inside t"e aircraft and t"e ambient air pressure.Correct Answer is. t"e pressure inside t"e aircraft and t"e ambient air pressure.Exp anation. N ;.

Question Number. &8. f t"e pressure contro er is set to 3 ft.Option A. maximum differentia is reac"ed immediate % after ta#e-off.Option B. cabin wi not pressurise.Option C. cabin remains at sea eve unti maximum differentia .Correct Answer is. cabin wi not pressurise.Exp anation. N ;.

Question Number. &:. 0urin! a pressurisation c"ec# at maximum differentia , if t"e en!ines are s"ut-down.

Option A. cabin 7OC indicator !ives indication of cabin sea efficienc%.Option B. aircraft remains pressurised unti t"e dump va ve opens.Option C. outf ow va ve opens immediate %.Correct Answer is. cabin 7OC indicator !ives indication of cabin sea efficienc%.Exp anation. N ;.

Question Number. 3. '"ere is t"e water trap ocated in a bootstrap compressor/.Option A. At t"e out et of t"e compressor.Option B. At t"e in et of t"e turbine.Option C. At t"e in et of t"e compressor.Correct Answer is. At t"e in et of t"e turbine.Exp anation. CA Ps s"ows it at t"e out et of t"e turbine


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Option B. At t"e out et of t"e b ower.Option C. At t"e in et of t"e b ower.Correct Answer is. At t"e out et of t"e b ower.Exp anation. A;D -&) (i!ure .

Question Number. &. '"en does a ?b ower? air conditionin! s%stem produce t"e most air/.Option A. At "i!" a titudes.Option B. At ow a titudes.Option C. t is not affected b% a titude.Correct Answer is. t is not affected b% a titude.Exp anation. A;D -&) (i!ure


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Question Number. 8. Contro of rate of c"an!e of cabin pressure is.Option A. most important in ascent.Option B. most important in descent.Option C. e9ua % important in descent and ascent.Correct Answer is. most important in descent.

Exp anation. CA Ps A;D -& .

Question Number. :. Air supp ied for pressurisation and conditionin! is.Option A. "ottest from an en!ine compressor b eed.Option B. "ottest from a compressor driven b% an en!ine !ear box.Option C. t"e same for bot" t"e above sources.Correct Answer is. "ottest from an en!ine compressor b eed.Exp anation. A;D -&) &. D&.*.

Question Number. )3. $"e mass f ow de iver% from en!ine driven b owers is contro ed b%.Option A. automatic contro devices.

Option B. en!ine speed variations.Option C. spi va ves.Correct Answer is. spi va ves.Exp anation. A;D -&) (i!. .

Question Number. )1. An air-to-air "eat exc"an!er is provided to.Option A. reduce t"e air supp % temperature.Option B. increase t"e air supp % temperature.Option C. provide an emer!enc% ram air supp %.Correct Answer is. reduce t"e air supp % temperature.Exp anation. A;D -&) ).&.

Question Number. )&. $emperature contro of cabin air is ac"ieved b%.Option A. contro in! t"e water vapour in t"e supp %.Option B. re!u atin! t"e amount of air b%-passin! t"e coo in! s%stem.Option C. var%in! t"e ambient airf ow to t"e "eat exc"an!er.Correct Answer is. re!u atin! t"e amount of air b%-passin! t"e coo in! s%stem.Exp anation. CA Ps A;D -&) (i! .

Question Number. ) . nward vent va ves are fitted to.Option A. imit ne!ative differentia s.Option B. increase venti ation.Option C. imit positive differentia s.Correct Answer is. imit ne!ative differentia s.Exp anation. CA Ps A;D -& 4.&.

Question Number. )). Cabin rate of c imb is s"own b%.Option A. warnin! i!"ts.Option B. a specia instrument.Option C. a doub e sca e on t"e aircraft.Correct Answer is. a doub e sca e on t"e aircraft.


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Exp anation. CA Ps A;D -& (i! .

Question Number. )*. 0urin! norma pressuri ed c imb fo owin! ta#e-off.Option A. t"e cabin 7.O.C. is ess t"an ambient 7.O.C.Option B. t"e cabin 7.O.C. is more t"an ambient 7.O.C.

Option C. t"e differentia pressure is constant.Correct Answer is. t"e cabin 7.O.C. is ess t"an ambient 7.O.C.Exp anation. CA Ps A;D -& fi! &.

Question Number. )4. nward vent va ves wi operate w"en.Option A. depressurisin! after descent.Option B. cabin a titude exceeds aircraft a titude.Option C. aircraft a titude exceeds cabin a titude.Correct Answer is. cabin a titude exceeds aircraft a titude.Exp anation. CA Ps A;D -& 4.&.

Question Number. )6. Cabin differentia pressure is t"e difference between.Option A. cabin pressure and ambient pressure.Option B. 8,333 ft and sea eve .Option C. [email protected]. conditions and aircraft a titude.Correct Answer is. cabin pressure and ambient pressure.Exp anation. CA Ps A;D -& fi! &.

Question Number. )8. Cabin a titude in pressuri ed f i!"t is t"e.Option A. a titude at w"ic" cabin a titude e9ua s outside air pressure.Option B. pressure a titude of t"e cabin as corrected to mean sea eve [email protected]. conditions.Option C. a titude correspondin! to cabin pressure irrespective of t"e a titude for t"e aircraft.Correct Answer is. a titude correspondin! to cabin pressure irrespective of t"e a titude for t"e aircraft.Exp anation. CA Ps A;D -& fi! &.

Question Number. ):. n pressuri ed aircraft, temperature conditionin! is main % ac"ieved b%.Option A. addin! "eat to t"e pressurisin! air.Option B. var%in! cabin pressure.Option C. extractin! "eat from t"e pressurisin! air.Correct Answer is. extractin! "eat from t"e pressurisin! air.Exp anation. CA P@ A;D -&) ).

Question Number. *3. f pressurisation air supp ies come from an en!ine compressor, an interna oi ea# wi .

Option A. contaminate t"e air.Option B. not affect t"e issue as it is automatica % detected and vented overboard.Option C. not contaminate t"e air.Correct Answer is. contaminate t"e air.Exp anation. N ;.

Question Number. *1. A co d air unit produces a drop in temperature b%.Option A. reducin! pressure and drivin! t"e units compressor.


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Option B. drivin! t"e units compressor.Option C. reducin! pressure.Correct Answer is. reducin! pressure and drivin! t"e units compressor.Exp anation. A;D -&) ).&.&.

Question Number. *&. eatin! for pressure cabins is obtained from.Option A. air supp % "eated b% t"e pressurisin! process.Option B. on % b% addin! "eat e ectrica % to t"e air supp ies.Option C. drivin! t"e units compressor.Correct Answer is. air supp % "eated b% t"e pressurisin! process.Exp anation. CA Ps A;D -&) ).

Question Number. * . A co d air unit a ows for cabin temperatures to be.Option A. same as ambient temperature, despite compression "eatin!.Option B. ower t"an ambient air temperature despite compression "eatin!.Option C. a itt e more t"an ambient air temperature.Correct Answer is. a itt e more t"an ambient air temperature.

Exp anation. N ;.

Question Number. *). '"en an aircraft "as reac"ed max. diff. and is at constant eve


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Question Number. *8. (ai ure of t"e norma maximum pressure differentia contro is a owed for b% fittin!.

Option A. airport a titude se ectors.Option B. inwards re ief va ves.

Option C. safet% re ief va ve.Correct Answer is. safet% re ief va ve.Exp anation. CA Ps A;D -& 4.1.

Question Number. *:. A co d air unit produces a drop in temperature b%.Option A. expandin! "ot air across a turbine w"ic" is drivin! a compressor.Option B. directin! compressed air into a "eat exc"an!er.Option C. air supp % to t"e cabin.Correct Answer is. expandin! "ot air across a turbine w"ic" is drivin! a compressor.Exp anation. CA Ps A;D -&) ).&.

Question Number. 43. $"e function of spi va ves is to contro .Option A. air supp % to t"e cabin.Option B. cabin pressure differentia .Option C. t"e rate of pressurisation.Correct Answer is. air supp % to t"e cabin.Exp anation. CA Ps A;D -&) fi! .

Question Number. 41. Pressurisation contro ensures t"at.Option A. at operationa a titude t"e cabin a titude is be ow 13,333 ft.Option B. pressurisation does not start before aircraft is above 8,333 ft.Option C. t"e cabin is a wa%s maintained at sea eve .Correct Answer is. at operationa a titude t"e cabin a titude is be ow 13,333 ft.Exp anation. CA Ps A;D -& .

Question Number. 4&. Pitot? and ?@tatic? ines durin! a cabin pressure test s"ou d be.Option A. cross connected.Option B. disconnected.Option C. connected.Correct Answer is. connected.Exp anation. CA Ps A;D -& 1&.&.*.

Question Number. 4 . f t"e cabin pressure fai s to reac" its maximum cabin pressure differentia t"e.Option A. disc"ar!e va ve s"ou d be adGusted.Option B. pressure contro er s"ou d be adGusted.Option C. outward re ief va ve is inoperative.Correct Answer is. pressure contro er s"ou d be adGusted.Exp anation. CA Ps A;D -& Para 13.&.& iv.

Question Number. 4). '"en t"e aircraft "as reac"ed its maximum cabin pressure differentia t"e.Option A. disc"ar!e va ve c oses.Option B. disc"ar!e va ve opens.


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Option C. mass f ow ceases t"rou!" t"e cabin.Correct Answer is. disc"ar!e va ve opens.Exp anation. N ;.

Question Number. 4*. $"e purpose of a ?@pi ? va ve in a cabin air supp % s%stem is.

Option A. to spi overboard excess air de ivered at @.;. and ower a titudes.Option B. to re ieve t"e pressure in t"e air supp % ductin! to atmosp"ere.Option C. to !ive a "eatin! effect.Correct Answer is. to spi overboard excess air de ivered at @.;. and ower a titudes.Exp anation. CA Ps A;D -&) fi! .

Question Number. 44. 'ou d %ou operate t"e f %in! contro s durin! a cabin pressure !round test/.Option A. es.Option B. No.Option C. Occasiona %.Correct Answer is. es.Exp anation. A;D -& 1&. .:.

Question Number. 46. '"ic" component must be iso ated w"en carr%in! out a !round cabin pressure test/.

Option A. Pressure re ief va ve.Option B. Pressure disc"ar!e va ve.Option C. Pressure re!u ator contro er.Correct Answer is. Pressure disc"ar!e va ve.Exp anation. A;D -& 1&. .13.

Question Number. 48. $o w"at position is t"e inward re ief va ve sprin! oaded/.Option A. C osed.Option B. Bot" position.Option C. Open.Correct Answer is. C osed.Exp anation. N ;.

Question Number. 4:. A cabin pressure air ea# from t"e front of t"e fuse a!e is.Option A. most desirab e because it increases t"e air-f ow.Option B. most undesirab e because of t"e dra! created.Option C. not effective in an% wa%.Correct Answer is. most undesirab e because of t"e dra! created.Exp anation. A;D6-11 .&.&.

Question Number. 63. '"en a ?muff? or air ductin! is bui t around t"e en!ine ex"aust s%stem and air is directedaround inside t"e muff er, t"is is an.Option A. t"erma "eater.Option B. ex"aust "eater.Option C. combustion "eater.Correct Answer is. ex"aust "eater.Exp anation. A;D -&) . .


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Question Number. 61. nward re ief va ves are interconnected in pressuri ed aircraft.Option A. to ac"ieve maximum pressure differentia .Option B. to a ow contro ed pressure durin! descent.Option C. to re ieve cabin pressure and a ow outside pressure to be !reater.Correct Answer is. to a ow contro ed pressure durin! descent.

Exp anation. CA Ps A;D -& Para *.

Question Number. 6&. n a turbo fan co d air s%stem, t"e "eat exc"an!er coo in! air is.Option A. air b ed direct % from en!ine or t"rou!" b ower.Option B. ram air from ambient conditions.Option C. b ed from cabin air supp % duct.Correct Answer is. ram air from ambient conditions.Exp anation. N ;.

Question Number. 6 . A safet% va ve wi norma % re ieve at.Option A. ne!ative differentia pressure.

Option B. "i!"er differentia pressure t"an t"e disc"ar!e va ve.Option C. ower differentia pressure t"an t"e disc"ar!e va ve.Correct Answer is. "i!"er differentia pressure t"an t"e disc"ar!e va ve.Exp anation. N ;.

Question Number. 6). Conditioned air is.Option A. ox%!en added.Option B. moisture removed.Option C. temperature and pressure adGusted.Correct Answer

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