u.s.c.g. merchant marine exam master less than …...you have carbon tetrachloride as part of the...

National Maritime Center Serving Our Nation’s Mariners

U.S.C.G. Merchant Marine Exam

Master Less than 100 Gross Registered Tons

Q348 Deck Safety

(Sample Examination)

of 13 Q348 Deck Safety

9/5/2019

Q348-Deck Safety U.S.C.G. Merchant Marine Exam Master Less than 100 Gross Registered Tons Illustrations: 1

Choose the best answer to the following Multiple Choice Questions.

1. Heave is motion along which axis?

• (A) The vessel's vertical axis o (B) The vessel's transverse axis o (C) The vessel's centerline axis o (D) The vessel's longitudinal axis

If choice A is selected set score to 1.

2. If you are fighting a fire below the main deck of your vessel, which action is most important concerning the stability of the vessel?

o (A) Shutting off electricity to damaged cables • (B) Pumping fire-fighting water overboard o (C) Maneuvering the vessel so the fire is on the lee side o (D) Removing burned debris from the cargo hold

If choice B is selected set score to 1.

3. While you are on watch, you learn that a crewman has not been seen on board for the past three hours. Which type of turn is best in this man-overboard situation?

o (A) Single turn of 180° o (B) Round • (C) Scharnow o (D) Racetrack

If choice C is selected set score to 1.

4. The vessel shown in illustration D025DG has broken down and you are going to take her in tow. The wind is on her starboard beam. Both vessels are making the same amount of leeway. Where should you position your vessel when you start running lines?

o (A) A o (B) B • (C) C o (D) D



9/5/2019

Q348-Deck Safety U.S.C.G. Merchant Marine Exam Master Less than 100 Gross Registered Tons Illustrations: 1 5. 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


6. On vessels that are required to have fixed carbon dioxide fire extinguishing systems, the controls to operate the system shall be installed in an accessible location. Which is the required location? (small passenger vessel regulations)

o (A) Inside the space protected o (B) Locally at the carbon dioxide cylinders • (C) Outside the space protected o (D) In a padlocked waterproof metal box


7. Which term defines the horizontal fore-and-aft movement of a vessel?

o (A) Heave • (B) Surge o (C) Sway o (D) Yaw


8. Fires of which class would most likely occur in the engine room of a vessel?

o (A) Classes C and D • (B) Classes B and C o (C) Classes A and B o (D) Classes A and D


9. For the purpose of training and drills, if reasonable and practicable, how frequently should rescue boats be launched with their assigned crew?

o (A) Twice a year o (B) Once a week • (C) Once a month o (D) Once a year



9/5/2019

Q348-Deck Safety U.S.C.G. Merchant Marine Exam Master Less than 100 Gross Registered Tons Illustrations: 1 10. What shall be conducted during a fire and boat drill?

• (A) All watertight doors in the vicinity of the drill shall be operated. o (B) Fire pumps shall be started and all exterior outlets opened. o (C) All lifeboat equipment shall be examined. o (D) All of the above


11. What is the function of the "rudder adjustment" control on an autopilot steering stand?

o (A) To set the rate at which the rudder responds o (B) To set the departure from base course before actuating the rudder • (C) To set the number of degrees of rudder per degree of course error o (D) To align the rudder angle indicator with the true rudder angle


12. If you receive the signal over radiotelephone of "Romeo Papa Tango" while using the International Code of Signals, which action should you take?

• (A) Repeat your last transmission o (B) End the transmission o (C) Report to the caller o (D) Continue since he received your last transmission


13. Which of the following when removed will extinguish a fire?

• (A) Oxygen o (B) Carbon dioxide o (C) Sodium o (D) Nitrogen


14. 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

If choice D is selected set score to 1.


9/5/2019

Q348-Deck Safety U.S.C.G. Merchant Marine Exam Master Less than 100 Gross Registered Tons Illustrations: 1 15. A weight of 1,000 short tons is equivalent to __________.

o (A) 1,500 foot-pounds o (B) 2,000 pounds • (C) 2,000 kips o (D) 2,240 long tons


16. Which term is used to describe the point that is halfway between the forward and after perpendicular and is a reference point for vessel construction?

o (A) Center line • (B) Amidships o (C) Mid-body o (D) Half length


17. When is it recommended that Seawater be used for drinking?

o (A) After mixing with an equal quantity of fresh water o (B) Only at a maximum rate of two ounces per day o (C) If gathered during or immediately after a hard rain • (D) Under no conditions should seawater be drunk


18. 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


19. A well in the uppermost deck of a shelter deck vessel which has only a temporary means of closing for the purpose of gaining an exemption from tonnage measurement is called a(n) __________.

o (A) cofferdam • (B) tonnage opening o (C) exemption space o (D) tonnage deck



9/5/2019

Q348-Deck Safety U.S.C.G. Merchant Marine Exam Master Less than 100 Gross Registered Tons Illustrations: 1 20. You are at sea and have received a General Emergency message announcing the outbreak of war

in Europe. You are directed to comply with the instructions in NGA (NIMA) PUB 117, Chapter Eight. Which statement is TRUE?

• (A) You should attempt to submit an AMVER report to NSA. o (B) When over 200 miles from a port in the danger zone, you should not darken ship. o (C) You should only enter a port in the danger zone during hours of darkness. o (D) If on a coastwise voyage along the east coast of the U.S., you should put into the nearest

port.


21. What are the requirements for a vessel carrying passengers for hire having on board approved life jackets? (small passenger vessel regulations)

o (A) Must provide buoyant cushion for every person on board plus 10% for children • (B) Must be provided for every person on board, plus 10% children’s' life jackets o (C) Must be provided for every passenger on board o (D) Must be provided for every person on board, plus 10% additional on upper deck in box


22. You have carbon tetrachloride as part of the cargo. If a fire breaks out in the general area, what is the major danger from the carbon tetrachloride?

o (A) It will explode if exposed to a flame. o (B) It will burn rapidly once ignited. o (C) You cannot use water to fight the fire because it will react with the carbon tetrachloride. • (D) Phosgene gas may be formed if it comes in contact with hot metal.


23. In a racetrack turn, to recover a man overboard, the vessel is steadied for the SECOND time after a turn of how many degrees from the original heading?

o (A) 60° o (B) 135° o (C) 180° • (D) 360°


24. Which is TRUE concerning a fuel-air mixture below the lower flammable limit?

o (A) The mixture is too dense to burn o (B) The mixture is too rich to burn o (C) The mixture is too cool to burn • (D) The mixture is too lean to burn



9/5/2019

Q348-Deck Safety U.S.C.G. Merchant Marine Exam Master Less than 100 Gross Registered Tons Illustrations: 1 25. You have a large, broken-down vessel in tow with a wire rope and anchor cable towline. Both

vessels have made provision for slipping the tow in an emergency; however, unless there are special circumstances __________.

o (A) the vessel towed should slip first o (B) they should slip simultaneously • (C) the towing vessel should slip first o (D) either vessel may slip first


26. What would be an example of a B-I extinguisher? (small passenger vessel regulations)

o (A) 5 pound foam • (B) 2 pound dry chemical o (C) 10 pound carbon dioxide o (D) 2.5 gallon foam


27. You are releasing carbon dioxide gas (CO2) into an engine compartment to extinguish a fire. In which situation will the CO2 be most effective?

o (A) The compartment is closed and ventilators are opened • (B) The compartment is closed and airtight o (C) Air flow to the compartment is increased with blowers o (D) The compartment is left open to the air


28. The important initial stability parameter, GM, is which of the following?

o (A) The height of the center of gravity above the keel • (B) The metacentric height o (C) The height of the metacenter above the keel o (D) The height of the center of buoyancy above the keel


29. A fire hose with a nozzle attached must be connected to each hydrant except when exposed to heavy weather or when the __________.

o (A) vessel is in port o (B) fire main system is not charged • (C) fire hose might be damaged by cargo operations o (D) fire pumps are used for purposes other than supplying water to the fire main



9/5/2019

Q348-Deck Safety U.S.C.G. Merchant Marine Exam Master Less than 100 Gross Registered Tons Illustrations: 1 30. Who issues the regulations governing the frequencies of the bridge-to-bridge radiotelephone?

o (A) U.S. Coast Guard • (B) Federal Communications Commission o (C) Department of Transportation o (D) Department of Defense


31. What represents poor sanitary procedures?

o (A) Keep and use a separate filling hose for potable (drinking) water. o (B) Eliminate enclosed spaces in which trash, food particles, dirt may gather. o (C) After washing dishes with soap and warm water, sterilize them in water of at least 170°F

(76.7°C). • (D) Locate potable (drinking) water tanks as low as possible in the bilge.


32. The lookout sights a vessel dead ahead. How would this be reported on the bell?

o (A) One strike on the bell o (B) Two strikes on the bell • (C) Three strikes on the bell o (D) Four strikes on the bell


33. When the bypass valve of a self-contained breathing device is opened, where does the air flow?

o (A) Through the regulator o (B) Directly to the air supply bottle • (C) Directly to the facepiece o (D) From the bottle into the atmosphere


34. Normally, it is desirable to have screens on the vents of potable water tanks to __________.

o (A) filter the incoming air o (B) prevent explosions • (C) stop insects from entering o (D) prevent backups



9/5/2019

Q348-Deck Safety U.S.C.G. Merchant Marine Exam Master Less than 100 Gross Registered Tons Illustrations: 1 35. What is the signal used with shore lifesaving equipment to indicate, "Affirmative"?

o (A) Firing of a red star signal • (B) Vertical motion of the arms o (C) Code signal "C" sent by light or sound signaling apparatus o (D) None of the above


36. Small passenger vessels in cold water ocean routes, that do not meet the standards for collision bulkheads or subdivision in subchapter S, must carry which item(s)? (small passenger vessel regulations)

o (A) At least two EPIRBs • (B) 100% inflatable buoyant apparatus o (C) At least one hand fire pump o (D) All of the above.


37. When pilot cylinder pressure is used as a means to release the CO2 from a fixed fire extinguishing system consisting of four storage cylinders, how many pilot cylinders are required?

o (A) 1 • (B) 2 o (C) 3 o (D) 4


38. You board an inflatable life raft that has been hand launched from a sinking vessel. What should you do FIRST after everyone is onboard the life raft?

o (A) Ventilate the life raft of CO2. • (B) Cut the painter. o (C) Open the equipment pack. o (D) Operate the radio equipment.


39. By day, what is the signal meaning, "This is the best place to land"?

o (A) Vertical motion of a red flag • (B) Vertical motion of a white flag or the arms o (C) A white star rocket o (D) A white smoke signal



9/5/2019

Q348-Deck Safety U.S.C.G. Merchant Marine Exam Master Less than 100 Gross Registered Tons Illustrations: 1 40. Which statement is TRUE concerning Coast Guard approved buoyant work vests?

o (A) They should be stowed adjacent to lifeboats and emergency stations o (B) They may be substituted for 10 percent of the required life preservers o (C) They may be used by boat crews and line handlers during lifeboat drills • (D) They should be used when carrying out duties near a weather deck's edge


41. What is the name given to the canvas covering of fire hose?

o (A) Line cover o (B) Casing • (C) Jacket o (D) Outer hose


42. Which is TRUE of the vessel's Sheer Plan?

o (A) The plan has the forebody to the right of centerline and afterbody to the left of centerline o (B) The plan is an endwise view of the ship's molded form o (C) The plan is usually drawn for the port side only • (D) The plan shows a longitudinal side elevation


43. On a vessel, which information can be obtained by multiplying a load's weight by the distance of the load's center of gravity above the baseline?

o (A) Transverse moment o (B) Righting moment • (C) Vertical moment o (D) Inclining moment


44. The carburetor is placed on the engine to __________.

• (A) mix the fuel and air o (B) assist in priming the cylinders o (C) distribute the gasoline o (D) properly lubricate the engine



9/5/2019

Q348-Deck Safety U.S.C.G. Merchant Marine Exam Master Less than 100 Gross Registered Tons Illustrations: 1 45. 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


46. Which statement about stowing spare hose is TRUE?

• (A) Fold the hose so that the male coupling is about 4 feet from the female coupling, then roll it up.

o (B) Fold the hose into lengths about 6 feet long and then lash the folds together. o (C) Roll the hose starting at the female end. o (D) Roll the hose starting at the male end.


47. You are having a Coast Guard inspection. All carbon dioxide fire extinguishers aboard will be __________.

o (A) sent ashore to an approved service facility • (B) weighed o (C) discharged and recharged o (D) checked for pressure loss


48. On a bulk chemical carrier, water should NOT be used as an extinguishing agent to fight a fire if the water may come into contact with the which chemical?

o (A) Vinyl toluene • (B) Oleum o (C) Benzene o (D) Acrylic acid


49. Which statement about the free surface correction is TRUE?

o (A) It is added to the uncorrected GM to arrive at the corrected available GM. o (B) It is subtracted from the total longitudinal moments before dividing by displacement to find

LCG. • (C) It is obtained by dividing the free surface moments by 12 times the volume of displacement. o (D) It is obtained by dividing the total free surface by the total vertical moments.



9/5/2019

Q348-Deck Safety U.S.C.G. Merchant Marine Exam Master Less than 100 Gross Registered Tons Illustrations: 1 50. Which of the following is one of the most important safety procedures that should be adhered to prior

to starting a gasoline engine on a motorboat?

o (A) you have fresh water on board o (B) the gasoline tank is full • (C) the bilges, cabins, etc. are thoroughly ventilated o (D) each of the above is followed



9/5/2019

National Maritime Center

Serving Our Nation's Mariners

8/13/2018

D025DG

Adapted for testing purposes only

Further reproduction prohibited without permission of 13 Q348 Deck Safety

u.s.c.g. merchant marine exam master less than …...you have carbon tetrachloride as part of the...

Documents