U.S.C.G. Merchant Marine Exam Assistant Engineer – Limited ... · U.S.C.G. Merchant Marine Exam Assistant Engineer-Limited Illustrations: 4 . 10. When collecting condensation for

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U.S.C.G. Merchant Marine Exam

Assistant Engineer – Limited

Q614 Engineering Safety – EP

(Sample Examination)

Page 1 of 20 Q614 Engineering Safety – EP

8/21/2019

Q614 Engineering Safety-EP U.S.C.G. Merchant Marine Exam Assistant Engineer-Limited Illustrations: 4

Choose the best answer to the following Multiple Choice Questions.

1. A flat block placed under the end of a shore for the purpose of distributing pressure is referred to as a __________.

o (A) butt piece o (B) strongback • (C) shole o (D) shore foot

If choice C is selected set score to 1.

2. After measuring the length to which a section of shoring should be cut, you should cut the shoring __________.

o (A) approximately 1/2 inch shorter per foot of the measured length to allow for wet expansion o (B) approximately 1/2 inch longer than the measured length to allow for trimming o (C) to the same length as the measured length • (D) approximately 1/2 inch shorter than the measured length to allow for the use of wedges

If choice D is selected set score to 1.

3. An acceptable method of temporarily sealing a crack formed in the hull of a vessel is to __________.

o (A) tack weld a doubler plate over the crack o (B) shore up the crack with welded braces o (C) drill holes at each end • (D) apply a patch of sheet packing backed by a strongback or shoring


4. Progressive flooding in the engine room may be minimized by securing watertight boundaries and __________.

• (A) pumping out flooded compartments o (B) transferring reserve feedwater o (C) evacuating the engine room o (D) dumping fuel oil

If choice A is selected set score to 1.


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5. Which of the components listed are interchangeable between different backpack self-contained breathing apparatus produced by various manufacturers?

• (A) The air cylinder o (B) The regulator o (C) The facepiece o (D) All of the above


6. Which type of respiratory protection is preferable for the repair/investigation personnel in a hydrogen sulfide (H2S) environment?

o (A) Self-Contained Demand-Type Breathing Apparatus (SCDBA) o (B) U.S. Navy Oxygen Breathing Apparatus (OBA) • (C) Positive Self-Contained Breathing Apparatus (SCBA) o (D) Emergency Escape Breathing Apparatus (EEBA)


7. Which of the following statements is TRUE concerning life jackets?

o (A) Buoyant vests may be substituted for life jackets. • (B) Life jackets are designed to turn an unconscious person's face clear of the water. o (C) Life jackets must always be worn with the same side facing outwards to float properly. o (D) Lightly stained or faded life jackets will fail in the water and should not be used.

If choice B is selected set score to 1.

8. Which of the following statements is true concerning an immersion suit and its use?

o (A) Only a light layer of clothing may be worn underneath. • (B) They provide sufficient flotation to do away with the necessity of wearing a life jacket. o (C) They should be tight fitting. o (D) A tear in the suit will not appreciably reduce its value.


9. The hand brake of a lifeboat winch is __________.

o (A) manually disengaged when hoisting a boat • (B) applied by dropping the counterweighted lever o (C) controlled by the centrifugal brake mechanism o (D) automatically engaged if lowering speed is excessive



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Q614 Engineering Safety-EP U.S.C.G. Merchant Marine Exam Assistant Engineer-Limited Illustrations: 4 10. When collecting condensation for drinking water, __________.

• (A) a sponge used to mop up and store condensation must be kept salt free o (B) only condensation on the bottom of the canopy should be collected o (C) it should be strained through a finely woven cloth o (D) chlorine tablets should be used to make it drinkable


11. In heavy seas the helmsman should steer the survival craft __________.

• (A) into the seas o (B) broadside to the seas o (C) in the same direction as the seas o (D) in a series of figure-eights


12. The canopy of your life raft should __________.

• (A) go into place as the raft is inflated o (B) be put up after everyone is aboard o (C) be put up only in severe weather o (D) be used as a sail if the wind is blowing


13. Paints and solvents used aboard a vessel should be __________.

• (A) returned to the paint locker after each use o (B) covered with a fine mesh screen to protect from ignition sources o (C) drained into a common container after each use o (D) stowed safely at the work site until work is completed


14. The most likely location for a liquid cargo fire to occur on a tanker would be __________.

o (A) in the amidships house o (B) at the main deck manifold o (C) at the vent header • (D) in the pumproom



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15. Good housekeeping on a vessel prevents fires by __________.

o (A) allowing better access in an emergency • (B) eliminating potential fuel sources o (C) eliminating trip hazards o (D) improving personnel qualifications


16. To prevent oily rags from spontaneously igniting they should be __________.

o (A) cleaned thoroughly for reuse o (B) kept in nonmetal containers o (C) kept in the paint locker • (D) discarded as soon as possible


17. The process that occurs when heat is generated by a chemical reaction within a substance and continues to a point of ignition is known as __________.

o (A) radiation ignition • (B) spontaneous combustion o (C) chemical combustion o (D) chemical ignition


18. All of the following are part of the fire triangle EXCEPT __________.

o (A) fuel o (B) oxygen o (C) heat • (D) electricity


19. The spreading of fire as a result of heat being carried through a vessel's ventilation system, is an example of heat transfer by __________.

o (A) conduction • (B) convection o (C) radiation o (D) windage



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Q614 Engineering Safety-EP U.S.C.G. Merchant Marine Exam Assistant Engineer-Limited Illustrations: 4 20. In a typical automatic fire alarm system, all zone circuits are always connected __________.

o (A) to the trouble alarm supervising resistor o (B) in parallel • (C) to the detecting cabinet o (D) in series


21. To fight a class "C" fire, you should use carbon dioxide or __________.

o (A) chemically treated saw dust o (B) mechanical foam • (C) dry chemical o (D) chemical foam


22. A fire involving trash and paper waste would be classified as a __________.

• (A) class "A" o (B) class "B" o (C) class "C" o (D) class "D"


23. The class of fire on which a blanketing effect is essential to extinguish the fire is __________.

o (A) class "A" • (B) class "B" o (C) class "C" o (D) class "D"


24. When using foam, a "Class B" fire is extinguished by __________.

o (A) cooling the surface • (B) smothering the fire o (C) replacing the fuel o (D) all of the above



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25. The advantage of using a dry chemical fire extinguishing agent is __________.

• (A) its good stability and non-toxicity o (B) permanent extinguishment regardless of the reignition sources o (C) its excellent cooling ability o (D) all of the above


26. In a cartridge-operated dry chemical type fire extinguisher, when the CO2 cartridge is activated, the dry chemical is released from the extinguisher __________.

o (A) by turning the activating handle on the bottom of the container • (B) with the squeeze-grip on/off nozzle at the end of the hose o (C) by squeezing the control valve carrying handle o (D) with the squeeze-grip trigger on top of the container


27. Which of the following statements is true concerning the fire extinguisher shown in the illustration? Illustration SF-0006

o (A) The initial discharge of the extinguisher should be at close range to scatter the burning material.

• (B) The agent may be applied in short bursts by opening and closing the squeeze nozzle o (C) There is no danger of reflash in using the illustrated extinguisher on a class "B" fire. o (D) The illustrated extinguisher must never be used in conjunction with water.


28. Which fire extinguisher is most prone to freezing when stowed in low temperatures?

• (A) Foam o (B) Dry chemical o (C) Carbon dioxide o (D) Halon 1211


29. When the cotton cover of a fire hose becomes oily or greasy, it should be washed with a solution of mild soapy fresh water and __________.

o (A) paint thinner o (B) cornstarch o (C) a wire brush • (D) a soft-bristled brush



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Q614 Engineering Safety-EP U.S.C.G. Merchant Marine Exam Assistant Engineer-Limited Illustrations: 4 30. A low velocity fog applicator is retained in an all-purpose nozzle by a bayonet joint. The applicator is

prevented from rotating in the joint by __________.

o (A) water pressure o (B) a keeper screw o (C) a locknut • (D) a spring-loaded catch


31. A ship's low-pressure CO2 fixed fire extinguishing system is normally designed for a storage tank pressure and temperature of approximately __________.

o (A) 14.7 psia and 0 degrees Fahrenheit o (B) 150 psig and 72 degrees Fahrenheit • (C) 300 psig and 0 degrees Fahrenheit o (D) 1500 psig and 72 degrees Fahrenheit


32. You are in compartment "A" as shown in Figure 2 of the illustration, and suspect there is a fire in compartment "B". In order to check for and confirm the fire in compartment "B" you should __________. Illustration SF-0005

o (A) move a lighted candle along watertight door seal • (B) feel the bulkhead o (C) open the watertight door o (D) tap the bulkhead


33. When approaching a fire from windward, you should shield firefighters from the fire by using an applicator and __________.

o (A) foam spray o (B) a straight stream of water • (C) low-velocity fog o (D) high-velocity fog



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34. When fighting a shipboard fire, crew members securing doorways, hatches, and applying cooling water to adjacent decks and bulkheads, while monitoring the spread of heat and smoke, are setting a _________.

o (A) cooling zone o (B) safety perimeter o (C) buffer zone • (D) fire boundary


35. During cargo operations, a deck fire has occurred due to a leaking cargo line. You should FIRST __________.

o (A) apply CO2 on the burning fuel at its source o (B) prevent the spread of fire with a foam dam • (C) stop the transfer of cargo o (D) blanket the cargo spill with foam


36. Which extinguishing agent is the best for use on electrical fires?

o (A) Dry chemical o (B) Water fog • (C) CO2 o (D) Foam


37. The longer an oil fire is permitted to burn, the __________.

o (A) less chance there is of reignition o (B) easier it is to control • (C) harder it is to extinguish o (D) easier it is to extinguish


38. Which of the following conditions is true concerning flammable liquid vapors with a concentration above the upper explosive limit?

o (A) The vapor is about to explode. o (B) The mixture is too lean to burn. o (C) Conditions are perfect for combustion. • (D) The mixture is too rich to burn.



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Q614 Engineering Safety-EP U.S.C.G. Merchant Marine Exam Assistant Engineer-Limited Illustrations: 4 39. The explosive range of methane is 5% to 15% by volume in air. This means a vapor/air mixture of

__________.

o (A) 3 percent methane by volume is too rich to burn • (B) 5 percent methane by volume will give a reading of 100 percent LEL on a combustible gas

indicator o (C) 10 percent methane by volume is too rich to burn o (D) 20 percent methane by volume is too lean to burn


40. Before entering a fuel tank that has been cleaned, it should be checked with an oxygen indicator and a/an __________.

o (A) flame safety lamp o (B) Orsat apparatus o (C) halide torch • (D) combustible gas indicator


41. For hydrogen sulfide detection, sensitized tapes indicate the presence of this gas by means of discoloration of an exposed spot on the tape. The shade of the color on the spot depends upon the concentration of the gas and __________.

o (A) air temperature during exposure o (B) air pressure during exposure o (C) humidity during exposure • (D) duration of exposure


42. The reading of a combustible gas indicator indicates the percentage of the __________.

o (A) concentration by weight of nonflammable gas in a compartment o (B) upper explosive limit of a flammable gas concentration o (C) concentration of flammable gas in a compartment • (D) lower explosive limit of a flammable gas concentration


43. If you see an individual fall overboard, you should __________.

o (A) pass the word to the bridge o (B) throw a life ring overboard o (C) hail "Man Overboard" • (D) all of the above



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Q614 Engineering Safety-EP U.S.C.G. Merchant Marine Exam Assistant Engineer-Limited Illustrations: 4 44. The vapors given off by heated fuel oil are flammable, explosive, and __________.

o (A) lighter than air • (B) heavier than air o (C) odorless o (D) non-toxic


45. The explosive range of petroleum vapors when mixed with air is __________.

o (A) 0% to 1% by volume • (B) 1% to 6% by volume o (C) 6% to 12% by volume o (D) 12% to 20% by volume


46. An LNG carrier has an approved type of gas detecting system to detect methane leaks in the __________.

o (A) barrier spaces o (B) boiler burner supply piping o (C) cargo handling rooms • (D) all of the above


47. A tank or compartment is "gas free" when there is an absence of dangerous concentrations of __________.

o (A) residues from cargo oil o (B) any combustible liquid • (C) flammable or toxic gases o (D) all flammable liquids



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48. While in a foreign port, burning and welding repairs are to be carried out on a section of heating coil located in a tank having last contained a grade "D" product. Which of the following procedures should be followed when a certified marine chemist is not available?

o (A) Repairs should proceed as scheduled since a chemist's certificate is not required for that type of work.

• (B) Prior to any hot-work, an inspection must be made by the senior officer present, and an entry made in the official logbook.

o (C) The repair work cannot be done at this time due to the lack of the chemist's certificate. o (D) It is solely the chief engineer's responsibility to ensure all safety precautions are observed,

and all entries are to be made in the engine room log.


49. A specific document which identifies a chemical, and lists its physical properties, health hazards, required controls, firefighting procedures, cleanup methods, waste disposal, and the safe handling and storage requirements, is commonly called a __________.

o (A) Hazardous Chemical Information Sheet o (B) Physical/Chemical Characteristics Document o (C) Hazardous Chemical Loading Document • (D) Material Safety Data Sheet


50. A liquid, as listed on a Safety Data Sheet (SDS), having a flash point below 100°F (37.78°C) is called a/an __________.

o (A) viscous liquid o (B) explosive liquid • (C) flammable liquid o (D) combustible liquid


51. After ballasting a fuel tank, which of the listed valves should you close FIRST?

o (A) Tank manifold filling valve o (B) Deck filling valve o (C) Pump discharge valve • (D) Sea suction valve



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52. A vessel which is subjected to "hogging" __________.

• (A) has its main deck plating under tensile stress o (B) has its bottom plating under tensile stress o (C) has its bottom plating under compressive stress o (D) has its main deck plating under compressive stress


53. The horizontal fore and aft movement of a vessel is called __________.

o (A) heave • (B) surge o (C) yaw o (D) sway


54. Victual waste is __________.

• (A) any garbage that comes from food or food provisions o (B) the resultant sludge that is collected after water washing a boiler o (C) the final waste product of a manufacturing process o (D) the final discharge of sewage treatment plants


55. In the Oil Record Book, a comprehensive list of operational items are grouped into operational sections. Each section is codified by a/an __________.

o (A) abbreviation • (B) letter o (C) number o (D) all of the above


56. In accordance with 33 CFR Subchapter O (Pollution), each operation involving the transfer of oil or oily mixture that requires an entry in the Oil Record Book shall be fully recorded __________.

• (A) without delay o (B) within 12 hours of completion of the operation o (C) within 24 hours of completion of the project o (D) within 48 hours of completion of the operation



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Q614 Engineering Safety-EP U.S.C.G. Merchant Marine Exam Assistant Engineer-Limited Illustrations: 4 57. When should you expect to find an insulating flange in a fueling hose?

o (A) When transferring LNG. • (B) When the terminal is equipped with a cathodic protection system. o (C) When a bonding cable is employed. o (D) When static electricity is not expected to be a problem.


58. In accordance with 33 CFR Subchapter O (Pollution), where will you find the procedures for the reporting of oil discharge into the water?

o (A) The vessel's Certificate of Inspection o (B) The vessel's Oil Record Book o (C) The vessel's International Oil Pollution Prevention Certificate • (D) The vessel's Oil Transfer Procedures


59. In cleaning up an oil spill, the use of straw or reclaimed paper fibers would be an example of which type of oil removal?

o (A) Chemical agent removal • (B) Absorbent removal o (C) Mechanical removal o (D) None of the above


60. In accordance with 33 CFR Subchapter O (Pollution), which of the following is a mandatory section of the shipboard oil pollution emergency plan?

• (A) reporting requirements o (B) removal equipment list o (C) list of individuals required to respond o (D) plan exercises


61. If additional weight is placed on the main deck of the vessel shown in the illustration __________. Illustration SF-0023

o (A) KB will go down o (B) GM will increase • (C) G will rise o (D) K will rise



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62. What standard mathematical formula is commonly used to calculate a vessels waterplane area forstability purposes?

• (A) Simpsons Ruleo (B) Pythagorean Ruleo (C) Reynolds Number Ruleo (D) Standard Logarithmic Rule


63. Symbol number "3" shown in the illustration represents which of the following? Illustration SF-0022

o (A) baselineo (B) forward perpendicular• (C) amidshipso (D) displacement


64. After transferring a weight forward on a vessel, the draft at the center of flotation will __________.

o (A) change, depending on the location of the LCG• (B) remain the constanto (C) decreaseo (D) increase


65. With no environmental forces acting on the vessel, the center of gravity of an inclined vessel isvertically aligned with the __________.

o (A) center of flotationo (B) longitudinal centerline• (C) original vertical centerlineo (D) metacenter


66. In the absence of external forces, adding weight to one side of a floating vessel, will cause thevessel to __________.

• (A) list until the center of buoyancy is aligned vertically with the center of gravityo (B) decrease draft at the center of flotationo (C) heel until the angle of loll is reachedo (D) trim to the side opposite TCG until all moments are equal



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67. You may improve a vessel's stability by __________.

• (A) keeping the fuel tanks topped offo (B) keeping the fuel tanks at least half fullo (C) keeping at least one fuel tank empty for slopso (D) increasing the free surface effect


68. In accordance with 33 CFR Subchapter O (Pollution), a vessel operating upon the Great Lakes shall__________.

• (A) not discharge any garbage into these waterso (B) have its forwardmost frame members sufficiently stiffened to prevent ice damageo (C) be required to re-distill all water used for cooling or condensate systemso (D) be certified for inland use only


69. In accordance with 46 CFR Subchapter D, the device used for preventing the passage of flames intoenclosed spaces of tank vessels is referred to as what?

o (A) Safety valve• (B) Flame arrestero (C) Flame relief valveo (D) Flame stopper


70. In accordance with 33 CFR Subchapter O (Pollution), which of the circumstances listed is anexception to the garbage discharge requirements in Annex V to MARPOL 73/78?

• (A) A person falls overboard, and a plastic ice chest is thrown for flotation.o (B) The garbage to be discharged will sink.o (C) Garbage accumulation onboard has exceeded storage space.o (D) The destination port or terminal cannot receive garbage.



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10/2/2018

SF-0005

Adapted for testing purposes only from Damage Controlman

NAVEDTRA 14057

Further reproduction prohibited without permission Page 17 of 20



10/3/2018

SF-0006

Adapted for testing purposes only from Damage Controlman

NAVEDTRA 14057

Further reproduction prohibited without permission. Page 18 of 20 Q614 Engineering Safety – EP


10/3/2018

SF-0022

Vessel Dimensional Data Symbols

Adapted for testing purposes only from Merchant Marine Deck Examination Reference

Material, Operating Manual for Deep Driller

Copyright © 1989 COMDTPUB P16721.29

Further reproduction prohibited without permission



10/3/2018

SF-0023

Stability Calculations

Adapted for testing purposes only from LA DAGE, Stability and Trim

for the Ship’s Officer, Third Edition

Copyright © 1983 by Cornell Maritime Press, Inc.

Further reproduction prohibited without permission Page 20 of 20


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U.S.C.G. Merchant Marine Exam Assistant Engineer – Limited ... · U.S.C.G. Merchant Marine Exam Assistant Engineer-Limited Illustrations: 4 . 10. When collecting condensation for