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8/13/2019 Fluid Mechanics Lab Manual 5th sem be mech
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Fluid Mechanics & Machinery Lab
III SEMESTER
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CONTENTS
S.NO. DESCRIPTIONPAGE
NO.
1 STUDY OF FLOW METERS 01
2STUDY OF HYDRAULIC PUMPS
03
3 STUDY OF TURBINES 07
4 FLOW THROUGH PIPESORIFICEMETER 10
5 FLOW THROUGH PIPESVENTURIMETER 13
6 CALIBRATION OF ROTA METER 16
7 FLOW THROUGH PIPES MA!OR LOSSES 1"
" PERFORMANCE TEST ON A SINGLE STAGE CENTRIFUGAL PUMP 21
# PERFORMANCE TEST ON A SUBMERSIBLE PUMP 24
10PERFORMANCE TEST ON A DOUBLE ACTINGRECIPROCATING PUMP 27
11 PERFORMANCE TEST ON A GEAR OIL PUMP 31
12 PERFORMANCE TEST ON PELTON WHEEL TURBINE 34
13 PERFORMANCE TEST ON FRANCIS TURBINE 3"
14 PERFORMANCE TEST ON $APLAN TURBINE 41
15 VIVA %SAMPLE &UESTIONS' 44
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SYLLABUS
FLUID MECHANICS AND MACHINERY LAB 0 0 3 2
%C())(* +( M,-./*-/ P(-+(*'
LIST OF EPERIMENTS
1 D,+,)*/+(* (8 +., C(,88-,*+ (8 9-./:, (8 :;,* O8-, ),+,
2 D,+,)*/+(* (8 +., C(,88-,*+ (8 9-./:, (8 :;,* V,*+ ),+,
3 C/-/+(* (8 +., /+, (8 8(< 9*: R(+/ ),+,
4 D,+,)*/+(* (8 8-+(* 8/-+( 8( / :;,* 9,+ (8 ==,9
5 C(*-+*: ,>=,),*+9 /* /=,),*+9 /* /=,),*+9 /* /
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FLUID MECHANICS
I+ ,/9 @,./;( (8 89 *, ,9+ /9
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FLUID CHARACTERISTICS
S*( C.//-+,9+-9 S)@( D,8*+(* U*+9
1M/99 ,*9+%('
D,*9+ M/99?;(), /5m3
2S=,-8-
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SOME BASIC UNIT CON8ERSIONS
1 T( -(*;,+ : * +( N
1: J #"1 N 10 N
W J ) :
$: > )?92 J 1N
2 A@9(+, V9-(9+
1 P(9, J *,9,-?-)2
J 1?10 N9?)2
1 C,*+ =(9, J 1?100 =(9,
J 1> 103N9?)2
3$*,)/+- ;9-(9+
1 9+(, J -)2?9,-
J%1?100'2 )2? 9,-
J 1> 104 )2? 9,-
4S+/*/ /+)(9=.,- =,99,
+ am ,90 mm (: H
+.033 65#m2
+0.33 m (: wa"'
8a#))m P'"ss)'" i$ ( 8a#))m !"a;
760 )) (8 H: J 1033 ) (8 105 N?)2
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J 1@/
STUDY OF FLO< METERS
F(< ),+, 9 ,;-, 9, +( ),/9, +., 9-./:, (8 /* 8(01 ) @/
3 D/=./:) :/:,9 = +( / )*)) (8 10-3) @/
4 L() @/
6 V,+-/ +@, 10-3) @/
7 I*-*, +@,
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3 S+(@(9-(=,
FLUID PROPERTIES
COMPARISION OF FLOW METERS
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STUDY OF HYDRAULIC PUMPS
PUMPS
P)= 9 / ,;-, 9, 8( 8+*: 9 8() / (
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T., ,-=(-/+*: =)= 9 @,9+ 9+, 8( ,/+;, 9)/ -/=/-+,9 /* .:.
.,/9 I* ( *: (=,/+(*9 +.9 +=, (8 =)= 9 ;, -())(*
P*,)/+- =,99, 99+,) 8,,*: 9)/ @(, -(*,*9/+, ,+*9 /* :.+ (=)=*:
DOUBLE ACTING RECIPROCATING PUMP
T., =)= 9 9/ +( @, / (@, /-+*:
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P)*:
B,8(, 9+/+*: +., -,*+8:/ =)= +( ,)(;, /* / :/9 ( ;/=( 8() -/9*:
9-+(* ==, (8 +., =)= 9 -/, =)*:
I8 / =)= 9 *(+ =), @,8(, 9+/+*: / =(-,+9 *9, +., )=,, )/ :;, +(;(+-,9 /* -/9, ;is#($i$)i4 (: :%(w
F+., ***: (8 +., =)= )/ ,9+ * @@*: /* 9,K*: (8 +., W,/*: *:9
/* -/9, 9,(9 /)/:,
CLASSIFICATON OF CENTRIFUGAL PUMP7
B/9, (* , 8(+,*/ :,/ =)= I*+,*/ :,/ =)=
T.,9, =)=9 ./;, ++,*/ ,9,;( 9 8(-, @ /+) =,99, *+( +.,=)= *,+ H,, +., 8 9 +/==, @,+
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*+( +., +//-, +., =,99, 9 9:.+ @,(< /+)(9=.,- =,99, T., +K, @(+. =,99,/* *,+- ,*,:,9 (8
PARTS OF TURBINES
/' G, B/,9 B/,9 /, =(;, +( :, +.,
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@/,9 -/* @, (+/+, /(* / =;(+ /+ ,/-. (8 +9 -,*+, T., **, -(*99+9 (8 +
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16
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E> N( 01
D/+, FLO< THROUGH PIPESORIFICEMETER
AIM
T( ,+,)*, +., -(,88-,*+ (8 9-./:, (8 +., (8-, ),+, 8( / :;,* ==, 9K,.
APPARATUS RE&UIRED
1 O8-, ),+, 8++,
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A A,/ (8 +., -(,-+*: +/* %)2'
. 9, (8
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OBSERVATIONS
D/),+, (8 +., ==, %1' )) J
D/),+, (8 +., (8-, %2' )) J
A,/ (8 -(,-+*: +/* %A' ) J
R9, (8
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H
20
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PROCEDURE
1 T., /),+, (8 +., ==, /* *+,*/ -(99 9,-+(* /,/ (8 -(,-+*: +/* /, *(+,
(-,=+ )/*(),+, -(-93 T.,* (=,* +., -(,9=(**: -(-9 (8 / :;,* ==, 9K,
4 S+/+ +., )(+( /* /9+ +., :/+, ;/;, /+ ,>+ +( )/*+/* 9+,/ 8(< 8( ,9,
.,/
5 N(+, +., )/*(),+, ,/*:9 /* *(+, +., +), 8( . -) 9, (8
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E> N( 02
D/+, FLO< THROUGH PIPES8ENTURIMETER
AIM
T( ,+,)*, +., -(,88-,*+ (8 9-./:, (8 +., ;,*+),+, 8( / :;,* ==, 9K,
APPARATUS RE&UIRED
1 V,*+),+, 8++,
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OBSERVATIONS6
D/),+, (8 +., ==, %1' )) J
D/),+, (8 +., ;,*+ %2' )) J
A,/ (8 -(,-+*: +/* %A' ) J
R9, (8
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PROCEDURE
1 T., /),+, (8 +., ==, /* *+,*/ -(99 9,-+(* /,/ (8 -(,-+*: +/* /, *(+,
(-,=+ )/*(),+, -(-93 T.,* (=,* +., -(,9=(**: -(-9 (8 / :;,* ==, 9K,
4 S+/+ +., )(+( /* /9+ +., :/+, ;/;, /+ ,>+ +( )/*+/* 9+,/ 8(< 8( ,9,
.,/
5 N(+, +., )/*(),+, ,/*:9 /* *(+, +., +), 8( . -) 9, (8
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E> N( 03
D/+, CALIBRATION OF ROTA METER
AIM
T( -/@/+, +., :;,* (+/ ),+, /* +( ,+,)*, +., =,-,*+/:, (8 ,(
APPARATUS RE&UIRED
1 C(,-+*: +/*
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TABULATION FOR ROTAMETER
S*(R(+/ ),+,
,/*: %LPH'
T), 8(
.-) 9, (8
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E> N( 04
D/+, FLO< THROUGH PIPES MAOR LOSSES
AIM
T( ,+,)*, +., 8-+(* 8/-+( 8( / :;,* ==, 9K,
APPARATUS RE&UIRED
1 C(,-+*: +/*
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OBSERVATION
L,*:+. (8 +., ==, %' )
D/),+, (8 +., ==, %' )
Aea o" #o55e#t!- ta-7 &A( )))))m
TABULATION FOR MA!OR LOSS
S*( M/*(),+,
R,/*:9
.1-) .2-) > )
H,/
(99
.8 %)'
T), 8( 10 -)
9, (8
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PROCEDURE
*.T., /),+, (8 +., ==, /* *+,*/ -(99 9,-+(* /,/ (8 -(,-+*: +/* /, *(+,
(-,=+ )/*(),+, -(-9
3 T.,* (=,* +., -(,9=(**: -(-9 (8 / :;,* ==, 9K,
4 S+/+ +., )(+( /* /9+ +., :/+, ;/;, /+ ,>+ +( )/*+/* 9+,/ 8(< 8( ,9,
.,/
5 N(+, +., )/*(),+, ,/*:9 /* *(+, +., +), 8( . -) 9, (8
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E> N( 05D/+, PERFORMANCETEST ON A SINGLE STAGE CENTRIFUGAL PUMP
AIM
T( -(*-+ /* 9+ +., =,8()/*-, 2HP+.,, =./9, 9*:, 9+/:, -,*+8:/ =)=
TEST BED RE&UIREMENTS
1 B((* +=, ;/-) :/:, 8( ),/9*: +., 9-+(* =,99,
2 B((* +=, =,99, :/:, 8( ),/9*: +., ,;, =,99,3 T.,, =./9, ,*,: ),+, 8( ),/9*: *=+ =(
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NAME PLATE DETAILS OBSERVATIONS
P)= A,/ (8 +., -(,-+*: +/* %A' J
E*,: ),+, -(*9+/*+ %N,' JN((8 ,;(+(*9 (8 ,*,: ),+, %N' J
M(+( R9, (8
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3. O)) P(w"' *P(
P(J W&/H $W
W S=,-8- 100
P( P(
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E> N( 06D/+, PERFORMANCE TEST ON A SUBMERSIBLE PUMP
AIMT( -(*-+ /* 9+ +., =,8()/*-, (8 9@),9@, =)=
TEST BED RE&UIREMENTS
1 B((* +=, =,99, :/:, 8( ),/9*: +., ,;, =,99,
2 T.,, =./9, ,*,: ),+, 8( ),/9*: *=+ =(
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NAME PLATE DETAILS OBSERVATIONS
P)= A,/ (8 +., -(,-+*: +/*%A' JE*,: ),+, -(*9+/*+ %N,' J
N( (8 ,;(+(*9 (8 ,*,: ),+, %N' JM(+( D/),+, (8 +., ==,%1' J
D/),+, (8 +., +.(/+%2' JD88,,*-, * ,;, (8
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>. P(w"' I$) *Pi
P J 0"%3600>N'?%N,>T' $W
N*( (8 ,;(+(*9 * ,*,: ),+, 9-
N, ,*,: ),+, -(*9+/*+ %,;?
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E> N( 07D/+, PERFORMANCE TEST ON A DOUBLE ACTING RECIPROCATING PUMP
AIM
T( -(*-+ /* 9+ +., =,8()/*-, (8 (@, /-+*: ,-=(-/+*: =)=
TEST BED RE&UIREMENTS7
1 B((* +=, ;/-) :/:, 8( ),/9*: +., 9-+(* =,99,
2 B((* +=, =,99, :/:, 8( ),/9*: +., ,;, =,99,
3 S*:, =./9, ,*,: ),+, 8( ),/9*: *=+ =(
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NAME PLATE DETAILS OBSERVATIONS
P)= A,/ (8 +., -(,-+*: +/* %A' J
E*,: ),+, -(*9+/*+ %N,' JN((8 ,;(+(*9 (8 ,*,: ),+, %N' J
M(+( R9, (8 100
1
2
3
4
5
6
37
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3"
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>. P(w"' I$) *Pi
P J 0"%3600>N'? %N,>T' $W
N *((8 ,;(+(*9 * ,*,: ),+, 9-
N, ,*,: ),+, -(*9+/*+ %,;?
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GRAPH
1 T(+/ H,/ V9 E88-,*- %'2 T(+/ H,/ V9 (8 9=
3 T(+/ H,/ V9 D9-./:,
RESULT
T.9 +., =,8()/*-, +,9+ (* / (@, /-+*: ,-=(-/+*: =)= 9 -(*-+, /* -.//-+,9+-
-;,9 /, =(++,
M/>)) ,88-,*- %)/>' J
D9-./:, /+ @,9+ ,88-,*- =(*+ %&@,=' JH,/ /+ @,9+ ,88-,*- =(*+ %H@,=' J
I*=+ =(
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E> N( 0"D/+, PERFORMANCE TEST ON A GEAR OIL PUMP
AIM
T( -(*-+ /* 9+ +., =,8()/*-, +,9+ (* / :,/ =)=
TEST BED RE&UIREMENTS
1 B((* +=, ;/-) :/:, 8( ),/9*: +., 9-+(* =,99,
2 B((* +=, =,99, :/:, 8( ),/9*: +., ,;, =,99,
3 T.,, =./9, ,*,: ),+, 8( ),/9*: *=+ =(S=: (8 ('
H P,99, %,;,' .,/J %=>10'?S=: (8 ( D,8,,*-, * ,;, (8 =,99, ;/-) :/:,9
41
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NAME PLATE DETAILS OBSERVATIONS
P)= A,/ (8 +., -(,-+*: +/* %A' J
E*,: ),+, -(*9+/*+ %N,' J9=,-8- :/;+ (8 ( %9' J
N((8 ,;(+(*9 (8 ,*,: ),+, %N' JM(+( R9, (8 ( ,;, * -(,-+*: +/* %.' J
D88,,*-, * ,;, @,+
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3. O)) P(w"' *P(
P(J W&H
W S=,-8-
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E> N( 0#D/+, PERFORMANCE TEST ON PELTON
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FORMULAE USED7
+ Dis#!a'".*Q
Q = %a*a&h( / a*) a +:Cd m3/s
a*)aea o" the 0!0e &m( a* =&d*/4(
a) aea o" thoat &m( a =&d/4(
)a##e5eat!o- d2e to av!t1 &m/s(
h)0ess2e d!""ee-#e !- &m(
2 T(a% !"a; *H
H =& P:*;()%&< : *;.33( /;( m'#P)0ess2e a2e ead!- &7/#m( O)) (w"' *P(
P( J 2NT? %1000>60' $WT +(, %N)' N S=,, (8 +@*, %=)'
= E::i#i"$#4 *
J %P(?P'>100
45
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NAME PLATE DETAILS OBSERVATIONS
P)= N(KK,(=,**: =(9+(* JR/9 (8 B,/ ) %R' ) J
D/),+, (8 *,+ ==, %1' ) J
D/),+, (8 +.(/+ ==, %2' ) JT@*,
TABULATION FOR PELTON WHEEL TURBINE 6
S*(
P,99,:/:,
,/*:
P
:?-)2
V/-)G/:,
,/*:
8
)) (8
H:
T(+/H,/
H) (8
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PROCEDURE
1 $,,= +., *(KK, (=,**: /+ ,, (=,**:
2 P), +., =)= 8 *,-,99/
3 C(9, +., 9-, /* 9+/+ +., =)=
4. T., 9+/+ @++(* 9.( @, ,=+ =,99, 8( 510 9,-(*9 /* +.,* ,,/9,
5 O=,* +., ,;, ;/;, 8( ,, =,99,
6 L(/ +., +@*, @ /*: +.,
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E> N( 10D/+, PERFORMANCE TEST ON FRANCIS TURBINE
AIM
T( 9+ +., -.//-+,9+-9 (8 F/*-9 +@*,
TEST BED RE&UIREMENTS
1 F/*-9 +@*, -(=, 1033' ?760' )
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3 P'"ss)'" ;i::"'"$#" *!
h = $%&Sm/ S'()*+ m
$,d!""ee-#e !- ma-omete ead!- &h*)h(m
Sm,S0e#!"!# av!t1 o" me#21 &*3.(
S',S0e#!"!# av!t1 o" 'ate&*(
> T(')" *T
%W1 W2' >R>: N)
= I$) P(w"' *Pi
PJ :&H %$W'
1000
,*9+ (8 O)) (w"' *P(
P( J 2NT? %1000>60' $W
T +(, %N)'N S=,, (8 +@*, %=)'
= E::i#i"$#4 *
J %P(?P'>100
4#
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NAME PLATE DETAILS OBSERVATIONS
P)=R/9 (8 B,/ ) %R' ) J
D/),+, (8 *,+ ==, %1' ) J
D/),+, (8 +.(/+ ==, %2' ) JT@*,
TABULATION FOR FRANCIS TURBINE
S*(
P,99,:/:,
,/*:
P
:?-)2
V/-)G/:,
,/*:
8
)) (8
H:
T(+/H,/
H) (8
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PROCEDURE
1' $,,= +., :, ;/*, (=,**: /+ ,, (=,**:2' P), +., =)= 8 *,-,99/
3' C(9, +., :/+, ;/;, /* 9+/+ +., =)=
4' T., 9+/+ @++(* 9.( @, ,=+ =,99, 8( 510 9,-(*9 /* +.,* ,,/9,.5' O=,* +., ,;, ;/;, 8( ,, =,99,
6' L(/ +., +@*, @ /*: +., =,),*+ 8( ;/(9 (/9
GRAPH1 D9-./:, %&' V9 E88-,*- %'
2 D9-./:, %&' V9 I*=+ =(
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E> N( 11D/+, PERFORMANCE TEST ON /APLAN TURBINE
AIM
T( 9+ +., -.//-+,9+-9 (8 $/=/* +@*,
TEST BED RE&UIREMENTS
1 $/=/* +@*, -(=, 1033' ?760' )
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3 P'"ss)'" ;i::"'"$#" *!
h = $%&Sm/ S'()*+ m
$,d!""ee-#e !- ma-omete ead!- &h*)h( m
Sm,S0e#!"!# av!t1 o" me#21 &*3.(
S',S0e#!"!# av!t1 o" 'ate &*(
> T(')" *T
%W1 W2' >R>: N)R /9 (8 @/, )
= I$) P(w"' *Pi
PJ :&H %$W'
1000
,*9+ (8 O)) (w"' *P(
P( J 2NT? %1000>60' $W
T +(, %N)'N S=,, (8 +@*, %=)'
= E::i#i"$#4 *
J %P(?P'>100
53
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NAME PLATE DETAILS OBSERVATIONS
P)= R/9 (8 B,/ ) %R' ) J D/),+, (8 *,+ ==, %1' ) J
T@*, D/),+, (8 +.(/+ ==, %2' ) J
TABULATION FOR $APLAN TURBINE
S*(
P,99,:/:,
,/*:
P
:?-)2
V/-)G/:,
,/*:
8
)) (8
H:
T(+/H,/
H) (8
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PROCEDURE
1' $,,= +., :, ;/*,9 (=,**: /+ ,, (=,**:
2' P), +., =)= 8 *,-,99/
3' C(9, +., :/+, ;/;, /* 9+/+ +., =)=
4' T., 9+/+ @++(* 9.( @, ,=+ =,99, 8( 510 9,-(*9 /* +.,* ,,/9,5' O=,* +., ,;, ;/;, 8( ,, =,99,
6' L(/ +., +@*, @ /*: +., =,),*+ 8( ;/(9 (/9
GRAPH
1 D9-./:, %&' V9 E88-,*- %'
2 D9-./:, %&' V9 I*=+ =(
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8I8A *SAMPLE QUESTIONS
1' D,8*, 8(< ),+,92' W./+ /, +., +=,9 (8 8(< ),+,9
3' W./+ 9 +., =*-=, (8 (8-, ),+,
4' W./+ /, +., /;/*+/:,9 (8 (8-, ),+, (;, +./* 8(< ),+,9
5' W./+ 9 ;,*/-(*+/-+(*
6' W./+ 9 +., 9, (8 (+/),+,
7' W+, +., B,*(9 ,/+(* @,+
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2#' G;, +.,
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REFERENCES7
1 F ),-./*-9 /* M/-.*, R$B/*9/
. E*:*,,*: F ),-./*-9 $L$)/
3 F ),-./*-9 /* M/-.*, DS$)/
4 F M,-./*-9 H/-9 /* F M/-.*,9 SR/)/)+./)
5 F ),-./*-9 S+,,+, /* W,
6 F ),-./*-9 /* M/-.*, R$R/=+
7 I*+(-+(* +( F ),-./*-9 F(> M-D(*/
" F ),-./*-9 M( /* S,+.
# H/- M/-.*,9 !/:9. L/
10 F*/),*+/9 (8 C()=,99@, F(< SMY/./
Recommended