U.S.C.G. Merchant Marine Exam Master Less than 100 GRT to ...€¦ · 5/9/2019 · • (A) One red...

National Maritime Center Serving Our Nation’s Mariners

U.S.C.G. Merchant Marine Exam

Master Less than 100 GRT to Master or Mate Less than 200 GRT Great Lakes and Inland

Q345 Navigation and Deck General – Safety

(Sample Examination)

of 14 Q345 Navigation and Deck General – Safety

9/5/2019

Q345-Navigation and Deck General-Safety U.S.C.G. Merchant Marine Exam Master Less than 100 GRT to Master or Mate Less than 200 GRT Great Lakes and Inland Illustrations: 2

Choose the best answer to the following Multiple Choice Questions.

1. You must shore up a bulkhead due to solid flooding forward. The bulkhead approximates a rectangle. Where should the center of pressure of the shores be located on the bulkhead?

o (A) Approximately halfway up the bulkhead o (B) Evenly over the surface of the bulkhead • (C) Approximately one-third of the way up the bulkhead o (D) At the bottom of the bulkhead

If choice C is selected set score to 1.

2. When using the Code of Federal Regulations (CFR's) for Tank Vessels, you see T/O and B/C. What do the T and B tell you?

o (A) Grades of cargo which may be carried o (B) The waters in which vessels may operate o (C) Special construction limitations • (D) Type of vessel to which the regulation applies

If choice D is selected set score to 1.

3. The galley on your cargo vessel has an area of 2,500 square feet. Which of the following would fulfill the minimum requirements for fire protection?

o (A) One B-I extinguisher • (B) One B-II extinguisher o (C) One B-II and one C-II extinguisher o (D) One B-V extinguisher

If choice B is selected set score to 1.

4. How should you signal the crane operator to lower the boom?

o (A) With hands clasped in front of your body. • (B) With arm extended and fingers closed, point thumb downward. o (C) Extend arm with the palm down, and hold this position rigidly. o (D) With arm extended downwards and forefinger pointing down, move hand in small horizontal

circles.



9/5/2019

Q345-Navigation and Deck General-Safety U.S.C.G. Merchant Marine Exam Master Less than 100 GRT to Master or Mate Less than 200 GRT Great Lakes and Inland Illustrations: 2 5. With the sprinkler system and air system on and all hatches shut, what will the survival craft provide

protection from?

o (A) Hurricanes o (B) A drop greater than 10 feet • (C) A fire and toxic environment o (D) A nuclear fall out environment


6. Which precaution should be taken when testing a line throwing gun?

o (A) Fire it at an angle of approximately 90 degrees to the horizon. o (B) Wear asbestos gloves. • (C) Never remove the line from the rocket. o (D) All of the above


7. Free communication will adversely affect transverse stability only when the flooded space is __________.

• (A) off-center o (B) open to the sea above and below the waterline o (C) on the centerline o (D) completely flooded

If choice A is selected set score to 1.

8. Which is TRUE concerning the most serious effect trapped air has on a diesel engine jacket water cooling system?

o (A) Reduces the effectiveness of chromate additives o (B) Accelerates formation of sludge deposits • (C) Accelerates corrosion in the system o (D) Forms pockets of high chemical concentrates


9. What does a pyrometer measure on a diesel engine?

• (A) Exhaust temperature o (B) Air box pressure o (C) Water pressure o (D) Water temperature



9/5/2019

Q345-Navigation and Deck General-Safety U.S.C.G. Merchant Marine Exam Master Less than 100 GRT to Master or Mate Less than 200 GRT Great Lakes and Inland Illustrations: 2 10. What is NOT a function of the steam drum of a marine water-tube boiler?

o (A) Holds internal fittings for separation of moisture from steam o (B) Serves as a reservoir of boiler feedwater • (C) Collects steam exhausted from the turbines o (D) Receives saturated steam from the generating tubes


11. Which statement about gyrocompass error is TRUE?

o (A) Any error will remain constant unless the compass is stopped and restarted. o (B) Any error shown by a gyro repeater will be the same as the error of the master compass. o (C) The sign (E or W) of the error will change with different headings of the ship. • (D) The amount of the error and the sign will generally be the same on all headings.


12. On an inspected vessel, when may a stability test be dispensed with?

o (A) projected cost is unreasonable • (B) Coast Guard has the approved stability test results of a sister vessel o (C) Coast Guard does not have a qualified inspector available o (D) vessel is of a proven design


13. A thrust block is designed to accomplish which action?

o (A) To absorb the shock of wave pressure at the bow • (B) To transmit the thrust of the propeller to the vessel o (C) To transmit the thrust of the engine to the propeller o (D) To be placed between the engines and the foundation to absorb the vibration


14. If the steersman of your lifeboat gives the command "Way enough", which action should you take?

• (A) Complete the stroke, raise your oar slightly, swing it forward, and place it in the boat o (B) Complete the stroke, hold your oar out from the boat and level with the water o (C) Lift your oar to a vertical position o (D) Dip the blade of your oar into the water and leave it there



9/5/2019

Q345-Navigation and Deck General-Safety U.S.C.G. Merchant Marine Exam Master Less than 100 GRT to Master or Mate Less than 200 GRT Great Lakes and Inland Illustrations: 2 15. The spin axis of a gyroscope tends to remain fixed in space in the direction in which it is started.

How does this gyroscope become north seeking so that it can be used as a compass?

• (A) By mechanically or electrically applying forces to precess the gyroscope o (B) By starting the compass with the spin axis in a north/south position o (C) By taking advantage of the property of gyroscopic inertia o (D) The rotation of the Earth (Earth rate) automatically aligns the gyroscope with north, except for

speed errors


16. Which is TRUE for the directive force acting on a gyrocompass?

• (A) The force increases as the latitude decreases, being maximum at the geographic equator o (B) The force is greatest when a vessel is near the Earth's magnetic equator o (C) The force increases as the latitude increases, being maximum at the geographic poles o (D) The force remains the same at all latitudes


17. Which statement(s) is/are TRUE regarding the operation of a crane?

o (A) The crane jib is raised and lowered by the hoisting winch. o (B) The cargo block is raised and lowered by the luffing winch. • (C) The load is handled by the hoisting winch and cargo block. o (D) All the above


18. Your vessel is proceeding up a channel, and you see a pair of range lights that are in line ahead. The chart indicates that the direction of this pair of lights is 014°T, and the variation is 11°E. If the heading of your vessel at the time of the sighting is 009° per standard magnetic compass, what is the correct deviation?

o (A) 5°E o (B) 5°W o (C) 6°E • (D) 6°W


19. In illustration D033DG below, what is the run of plating labeled A known as?

• (A) Stringer plate o (B) Deck longitudinal o (C) Deck plating o (D) Sheer strake



9/5/2019

Q345-Navigation and Deck General-Safety U.S.C.G. Merchant Marine Exam Master Less than 100 GRT to Master or Mate Less than 200 GRT Great Lakes and Inland Illustrations: 2 20. In reference to accidental oil pollution, the most critical time during bunkering is when __________.

o (A) hoses are being disconnected o (B) you first start to receive fuel • (C) final topping off is occurring o (D) hoses are being blown down


21. Inflatable liferafts are provided with a __________.

o (A) lifeline o (B) knife o (C) towing connection • (D) All of the above


22. When should the lubricating oil be changed on a heavy duty diesel engine?

o (A) When it no longer supports combustion o (B) When it gets dark in color o (C) Only when a sample rubbed between fingers feels thin • (D) When it has been in use for a specified interval


23. The scuppers had been plugged as required at the time a small oil spill occurs on deck from a leaking dresser coupler. After shutting down the transfer, the engine room should first be informed and then which action should be taken?

o (A) Remove the plugs from the scuppers o (B) Rig a fire hose to wash down the deck • (C) Spread an absorbent material, such as sawdust o (D) Sound the general alarm


24. Which term is given to the brickwork surrounding the firebox of a boiler?

o (A) The fire plate • (B) Refractory o (C) The screen wall o (D) The waterwall



9/5/2019

Q345-Navigation and Deck General-Safety U.S.C.G. Merchant Marine Exam Master Less than 100 GRT to Master or Mate Less than 200 GRT Great Lakes and Inland Illustrations: 2 25. You are requisitioning stores for your tank vessel. What type of matches are permitted aboard?

• (A) Safety o (B) Self-extinguishing o (C) Wooden o (D) Phosphorous


26. Which item is of the most use in getting a lifeboat away from a moving ship?

o (A) Fleming Gear o (B) Boat hook o (C) The falls • (D) Sea painter


27. Which of the signals listed is required to be displayed at night while bunkering at a dock?

• (A) One red light o (B) One red light over a yellow light o (C) Two red lights o (D) One red light over a white light


28. In illustration D033DG below, which letter indicates a longitudinal?

o (A) M • (B) L o (C) E o (D) C


29. Which item shall the Master shall insure regarding the Emergency Position Indicating Radio beacon (EPIRB)?

o (A) The unit is secured in the emergency locker o (B) The unit is only tested annually to conserve batteries o (C) The unit is secured inside the wheelhouse prior to sailing • (D) The unit is tested monthly



9/5/2019

Q345-Navigation and Deck General-Safety U.S.C.G. Merchant Marine Exam Master Less than 100 GRT to Master or Mate Less than 200 GRT Great Lakes and Inland Illustrations: 2 30. Which agency must approve the Safety equipment on board inspected vessels?

• (A) The U.S. Coast Guard o (B) The Safety Standards Bureau o (C) The National Safety Council o (D) The Occupational Safety and Health Administration (OSHA)


31. What is the minimum number of fire pumps required on a cargo vessel of 2,000 GT?

o (A) 1 • (B) 2 o (C) 3 o (D) 4


32. What is the gyrocompass error resulting from your vessel's movement in OTHER than an east-west direction?

• (A) Speed error o (B) Damping error o (C) Ballistic deflection o (D) Quadrantal error


33. Regulations concerning the stowage, lashing, and securing of timber deck cargoes aboard general cargo vessels may be found in the __________.

o (A) vessel's classification society rules and regulations o (B) International Cargo Bureau Regulations o (C) Rules and Regulations for Cargo and Miscellaneous Vessels • (D) Load Line Regulations


34. Which is TRUE for the connection facilities utilized for the international shore connection aboard the vessel?

• (A) The facilities shall be available on each side of the vessel o (B) The facilities shall be as close as possible to the house o (C) There shall be a facility on each level of the accommodation space o (D) The facilities shall be on the main deck only



9/5/2019

Q345-Navigation and Deck General-Safety U.S.C.G. Merchant Marine Exam Master Less than 100 GRT to Master or Mate Less than 200 GRT Great Lakes and Inland Illustrations: 2 35. The Master of a cargo or tank vessel shall be responsible that each lifeboat, except those free-fall

launched, is lowered to the water with crew and maneuvered. Which time interval is this action required?

o (A) Once a week o (B) Once a month • (C) Once every three months o (D) Once a year


36. The searchlight on a survival craft must be capable of operating 3 hours continuously or 6 hours intermittently if operated in which cycles?

o (A) 5 minutes on and 10 minutes off o (B) 10 minutes on and 5 minutes off • (C) 15 minutes on and 5 minutes off o (D) 15 minutes on and 10 minutes off


37. Fire hose stations shall be marked in red letters and figures such as Fire Station No. "1", "2", "3", etc. Which is the minimum height of the letters and figures required by regulation?

o (A) 1/2 inch o (B) 1 inch o (C) 1-1/2 inches • (D) 2 inches


38. The greatest horizontal stress between the heads of the booms in the yard and stay rig occurs when the load is in such a position that the __________.

o (A) stay fall is vertical • (B) falls are at an equal angle to the horizontal o (C) stay fall is at a greater angle to the horizontal than the yard fall o (D) yard fall is at a greater angle to the horizontal than the stay fall


39. Who must approve the vessel's trim and stability booklet?

o (A) International Maritime Organization o (B) National Cargo Bureau • (C) United States Coast Guard o (D) Society of Naval Architects and Marine Engineers



9/5/2019

Q345-Navigation and Deck General-Safety U.S.C.G. Merchant Marine Exam Master Less than 100 GRT to Master or Mate Less than 200 GRT Great Lakes and Inland Illustrations: 2 40. Which is TRUE of the lifeline of a life float or buoyant apparatus?

o (A) The lifeline shall be festooned in bights not longer than three feet long o (B) Shall have a seine float in each bight unless the line is an inherently buoyant material o (C) The line shall be at least 3/8 inch diameter and properly secured around the sides and ends

of the device • (D) All of the above


41. Which vessel is most likely to be loaded full but not down?

o (A) A bulk carrier loaded with heavy ore o (B) A bulk carrier loaded with steel • (C) A break bulk vessel loaded with palletized cargo o (D) A tanker loaded with heavy grain


42. What is the reaction of a gyrocompass to an applied force known as?

o (A) Gyroscopic inertia o (B) Gravity effect o (C) Earth rate • (D) Precession


43. In the illustration D041DG below, what does symbol 5 represent?

o (A) Displacement o (B) Counterflood limits • (C) Centerline o (D) Leverage center


44. The wooden plug inserted in the vent of a damaged tank should be removed if you are going to __________.

o (A) fight a fire o (B) use the crossover system • (C) pump from the damaged tank o (D) abandon ship



9/5/2019

Q345-Navigation and Deck General-Safety U.S.C.G. Merchant Marine Exam Master Less than 100 GRT to Master or Mate Less than 200 GRT Great Lakes and Inland Illustrations: 2 45. Your ship is entering port from sea, and you sight a pair of range lights. When in line, they bear 315°

per standard magnetic compass. The chart shows that the range bearing is 312°T, and that variation is 6°W. What is the deviation of your compass at the time of the sighting?

• (A) 3°E o (B) 3°W o (C) 9°E o (D) 9°W


46. Which item is NOT required to be marked with the vessel's name?

o (A) Lifeboat oar o (B) Life preserver o (C) Immersion suit • (D) Hand-portable fire extinguisher


47. What would light gray smoke from a diesel engine probably indicate?

o (A) Excess combustion air o (B) Excessive lube oil consumption o (C) High compression temperature • (D) Overload condition


48. What is the best indication of the loading of a diesel engine?

o (A) Manifold pressure o (B) Oil temperature o (C) Fuel consumption • (D) Exhaust gas temperature


49. In illustration D041DG below, which of the following is the symbol for displacement?

• (A) 1 o (B) 2 o (C) 3 o (D) 4



9/5/2019

Q345-Navigation and Deck General-Safety U.S.C.G. Merchant Marine Exam Master Less than 100 GRT to Master or Mate Less than 200 GRT Great Lakes and Inland Illustrations: 2

50. When patching holes in the hull, how can pillows, bedding, and other soft materials be used?

o (A) As wedges• (B) As gasketso (C) As shoreso (D) As strongbacks



9/5/2019

National Maritime Center

Serving Our Nation's Mariners

8/3/2018

D033DG

Adapted for testing purposes only from Hull Maintenance Technician

NAVEDTRA 14119

Further reproduction prohibited without permission of 14 Q345 Navigation and Deck General – Safety

National Maritime Center

Serving Our Nation's Mariners

7/19/2018

D041DG

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 of 14 Q345 Navigation and Deck General – Safety

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