U.S.C.G. Merchant Marine Exam - dco.uscg.mil · Deficient oxygen content inside a chain locker can be detected with which ... volume of liquid in the tank ... Note any change in the

National Maritime Center Providing Credentials to Mariners

U.S.C.G. Merchant Marine Exam

OUPV to Master Near Coastal

Less than 100 Gross Registered Tons

Q165-Navigation and Deck General-Safety

(Sample Examination)

Page 1 of 13Q165-Navigation and Deck General-Safety

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Q165-Navigation and Deck General-Safety U.S.C.G. Merchant Marine Exam OUPV to Master Near Coastal Less than 100 Gross Registered Tons Illustrations: 1

Choose the best answer to the following Multiple Choice Questions.

1. Deficient oxygen content inside a chain locker can be detected with which item?

o (A) Litmus paper o (B) A combustible gas indicator o (C) An oxygen breathing apparatus • (D) An oxygen indicator

If choice D is selected set score to 1.

2. A Certificate of Inspection for vessels of less than 100 gross tons carrying more than twelve passengers on an international voyage will be issued for a period of which duration? (small passenger vessel regulations)

o (A) Four years o (B) Three years o (C) Two years • (D) One year


3. You are the credentialed Master of a 199 GT uninspected towing vessel making a 500 mile coastwise trip. You carry a deck crew of six (6). Which statement is TRUE?

o (A) Only the able seamen require Merchant Mariner Credentials. o (B) There must be 3 separate watches stood. o (C) There must be at least 5 able seamen among the deck crew. • (D) None of the above


4. Paint and oil lockers on small passenger vessels must be constructed of or lined with which material?

o (A) Fiberglass o (B) Sheetrock, asbestos, or other material that retards the spread of fire o (C) Marine plywood • (D) Steel or equivalent material


Page 2 of 13 Q165-Navigation and Deck General-Safety

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Q165-Navigation and Deck General-Safety U.S.C.G. Merchant Marine Exam OUPV to Master Near Coastal Less than 100 Gross Registered Tons Illustrations: 1 5. Which is TRUE concerning hatches on small passenger vessels operating on exposed waters and

exposed to the weather?

o (A) The hatch need not be watertight o (B) The hatch must be open at all times • (C) The hatch must be watertight o (D) None of the above

If choice C is selected set score to 1.

6. How can the Coast Guard determine that a crew member is "able to understand any order spoken by the officers"?

• (A) Require a demonstration by the officer and the crew member o (B) Require that an interpreter be provided o (C) Require a written test o (D) All of the above

If choice A is selected set score to 1.

7. When a small craft's anchor fouls in a rocky bottom, how should the first attempt to clear it be made?

o (A) Making the line fast to the bitt and bringing the vessel further forward o (B) Hauling vertically on the line o (C) Increasing the scope and running slowly in a wide circle with the anchor line taut • (D) Reversing the angle and direction of pull, with moderate scope


8. On Subchapter T small passenger vessels, after loading and prior to departure, the master shall determine the vessel complies with all stability requirements in which of these documents?

o (A) Stability letter o (B) Certificate of Inspection o (C) Load Line Certificate • (D) All of the above


9. The free surface correction depends upon the dimensions of the surface of the free liquid and the __________.

o (A) location of the tank in the vessel o (B) volume of liquid in the tank o (C) height of the center of gravity of the vessel • (D) displacement of the vessel



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Q165-Navigation and Deck General-Safety U.S.C.G. Merchant Marine Exam OUPV to Master Near Coastal Less than 100 Gross Registered Tons Illustrations: 1 10. Which is a requirement of life jackets on all vessels?

o (A) Tested yearly • (B) Readily available o (C) Inspected weekly o (D) Worn at all times

If choice B is selected set score to 1.

11. Lifesaving regulations in Subchapter W require that a fire drill include which of the following?

o (A) Starting the fire pumps o (B) Checking arrangements for abandon ship o (C) Checking the operation of watertight doors • (D) All of the above


12. On small passenger vessels which is/are a requirement(s) of gasoline fuel tanks?

o (A) The tank is fitted with vertical baffle plates if the tank is longer than 30 inches in any horizontal dimension

o (B) The tank must be electrically bonded to a common ground o (C) The tank must be built without flanged-up top edges • (D) All of the above


13. If your vessel is required to have a fire ax on board, where should it be located? (small passenger vessel regulations)

o (A) Just outside the engine room access • (B) In or adjacent to the primary operating station o (C) In the galley near the stove o (D) In below-decks passenger accommodations


14. A vessel has been surveyed in a foreign port and found unseaworthy as a result of neglect. A seaman on this vessel is entitled to discharge and which of the following?

o (A) One month's pay only o (B) Transportation to the port of engagement o (C) One month's pay or transportation to the nearest U.S. port, whichever is the least amount • (D) One month's pay or transportation to the nearest U.S. port, whichever is the greater amount



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Q165-Navigation and Deck General-Safety U.S.C.G. Merchant Marine Exam OUPV to Master Near Coastal Less than 100 Gross Registered Tons Illustrations: 1 15. Why should foam be banked off a bulkhead when extinguishing an oil fire?

• (A) To prevent agitation of the oil and spreading the fire o (B) To prevent any oil on the bulkheads from igniting o (C) To coat the surrounding bulkheads with foam in case the fire spreads o (D) To cool the bulkhead closest to the fire


16. When anchoring in a clay bottom, what is one hazard that may cause the anchor to drag?

o (A) The flukes may not dig in. • (B) The anchor may get shod with clay and not develop full holding power. o (C) The flukes may dig in unevenly and capsize the anchor when under stress. o (D) The anchor will tend to dig in and come to rest near the vertical.


17. Small wooden hull passenger vessels, whose routes are limited to coastwise warm water routes on the high seas, must carry approved life floats or buoyant apparatus. Which statement is TRUE?

• (A) Life floats when on board, are required for not less than 100% of all persons permitted on board

o (B) Buoyant apparatus is required for not less than 50% of all persons permitted on board o (C) Inflatable buoyant apparatus may replace ring life buoys o (D) Inflatable buoyant apparatus are required for all passengers on board


18. Which is the BEST method of determining if a vessel is dragging anchor?

o (A) Observe how much the vessel sheers while at anchor o (B) Note any change in the tautness of the anchor chain • (C) Observe changes in bearings of fixed objects onshore o (D) Observe the amount of line paid out


19. Your vessel must have a B-II fire extinguisher. Which extinguisher fulfills this requirement? (small passenger vessel regulations)

o (A) 4 lb. carbon dioxide o (B) 4 lb. dry chemical • (C) 15 lb. carbon dioxide o (D) 12 gallon foam



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Q165-Navigation and Deck General-Safety U.S.C.G. Merchant Marine Exam OUPV to Master Near Coastal Less than 100 Gross Registered Tons Illustrations: 1 20. What is meant by the term "two-blocked"?

• (A) The bottom block touches the top block. o (B) You have two blocks. o (C) The line has jumped the sheaves. o (D) There are turns in the fall.


21. Which is a requirement of all inlet and discharge fittings below the waterline? (small passenger vessel regulations)

• (A) They shall have an efficient and accessible means of closing o (B) They shall have a wooden plug with a 36 inch lanyard o (C) They shall be cast-iron shut-off valves o (D) They shall have a blank-off flange of similar material


22. Which of the following defines "Rolling Period"?

o (A) the time it takes the vessel to make a complete roll such as from port to starboard and return to level

• (B) the time it takes the vessel to make a complete roll such as from port to starboard and back to port

o (C) the time it takes the vessel to make a complete roll such as from port and return to level o (D) the time it takes the vessel to make a complete roll such as from level to starboard and return

to port


23. Unless otherwise stated, the term "approved" when applied to a small passenger vessel's equipment, means approved by which organization?

o (A) Board of Fire Underwriters • (B) Commandant of the Coast Guard o (C) Congress of the United States o (D) American Bureau of Shipping


24. Each fireman's outfit and its spare equipment on a tankship must be stowed in a(n) __________.

o (A) unlocked cabinet in the machinery space • (B) separate and accessible location o (C) location near a fire hydrant o (D) locked cabinet in the machinery space



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Q165-Navigation and Deck General-Safety U.S.C.G. Merchant Marine Exam OUPV to Master Near Coastal Less than 100 Gross Registered Tons Illustrations: 1 25. Life floats and buoyant apparatus may be stowed in tiers, one above the other, to which maximum

height? (small passenger vessel regulations)

o (A) 3 feet • (B) 4 feet o (C) 5 feet o (D) 6 feet


26. You are planning to anchor in an area where several anchors have been lost due to fouling. What precaution should you take?

o (A) Only anchor using both anchors not set in bottom o (B) Anchor with scope of 8 or more to 1 o (C) Use a stern anchor with a scope of 8 or more to 1 • (D) Fit a crown strap and work wire to the anchor


27. On mid-ocean waters, the height of a wind-generated wave is not affected by the __________.

o (A) wind's velocity • (B) water depth exceeding 100 feet o (C) fetch o (D) duration of the wind


28. On small passenger vessels, which item is a required safety device installed on a carburetor?

• (A) A backfire flame arrestor o (B) A flow valve o (C) A pressure release o (D) An automatic shut off


29. On board small passenger vessels, how often shall the Master test the steering gear?

• (A) Before getting underway for the day's operations o (B) Every 72 operating hours while underway o (C) Once a week o (D) Once a month



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Q165-Navigation and Deck General-Safety U.S.C.G. Merchant Marine Exam OUPV to Master Near Coastal Less than 100 Gross Registered Tons Illustrations: 1 30. The inspection of small passenger vessels of 60 feet in length carrying more than twelve persons on

an international voyage is required by the Coast Guard at what time intervals? (small passenger vessel regulations)

o (A) Once every 6 months • (B) Once every year o (C) Once every 2 years with a minimum of one reinspection during that period o (D) Once every 3 years with a minimum of two reinspections during that period


31. Which is TRUE concerning fixed ballast, on small passenger vessels?

o (A) Discharged or moved at any time o (B) Moved under any condition except extreme emergency • (C) Moved temporarily for examination or repair of the vessel, when done under the supervision

of an inspector o (D) Only moved under the supervision of the owner, Master or shipyard


32. What is the name of a small light tackle with blocks of steel or wood that is used for miscellaneous small jobs?

o (A) Chockablock o (B) Snatch block • (C) Handy-billy o (D) Threefold purchase


33. How shall Lifesaving equipment be stowed?

• (A) Readily accessible for use o (B) Inaccessible to passengers o (C) Locked up for safety o (D) On the topmost deck of the vessel at all times


34. You are using tackle number 6 as shown in illustration D029DG below to lift a weight. The hauling part of this tackle is bent to the weight hook (w) of tackle number 8. Disregarding friction, what is the mechanical advantage of this rig?

o (A) 11 o (B) 16 • (C) 18 o (D) 24



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Q165-Navigation and Deck General-Safety U.S.C.G. Merchant Marine Exam OUPV to Master Near Coastal Less than 100 Gross Registered Tons Illustrations: 1 35. A weight of 1,000 short tons is equivalent to __________.

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


36. What is the purpose of fuses in electric wiring?

o (A) To reduce voltage to the branch circuits • (B) To prevent overloading the circuits o (C) To allow for cutting out branch circuits o (D) Permit the use of smaller wiring for lighting circuits


37. The rise and fall of the ocean's surface due to a distant storm is known as __________.

• (A) swell o (B) sea o (C) waves o (D) fetch


38. Which statement is TRUE concerning the number of portable fire extinguishers required at the operating station of a small passenger vessel? (small passenger vessel regulations)

o (A) None are required. • (B) One B-I extinguisher is required. o (C) One B-II extinguisher is required. o (D) Two B-I extinguishers are required.


39. On board small passenger vessels which is the minimum fill pipe size for a gasoline or diesel tank?

o (A) Large enough so it does not cause backpressure and fuel spillage o (B) 2 1/2 inches nominal pipe size o (C) Not specified by the Regulations • (D) 1 1/2 inches nominal pipe size



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Q165-Navigation and Deck General-Safety U.S.C.G. Merchant Marine Exam OUPV to Master Near Coastal Less than 100 Gross Registered Tons Illustrations: 1 40. Which portable fire extinguisher is required just outside the exit of the propulsion machinery space of

a 75-ton passenger vessel?

• (A) 15 lb. CO2 extinguisher o (B) 2-1/2 gallon foam extinguisher o (C) 2 lb. dry chemical extinguisher o (D) None of the above


41. Your vessel is broken down and rolling in heavy seas. How can you reduce the danger of capsizing?

• (A) Rigging a sea anchor o (B) Constantly shifting the rudder o (C) Move all passengers to the stern o (D) Move all passengers to one side of the boat


42. A man who is conscious has fallen overboard is being picked up by a lifeboat. In a mild breeze how should the the boat should approach the person in the water?

o (A) With the wind ahead and the victim just off the bow • (B) With the wind just off the bow and the victim to leeward o (C) With the wind just off the bow and the victim to windward o (D) With the wind astern and the victim just off the bow


43. Which ocean current is "warm" based on the latitude in which it originates and on the effect it has on climate?

• (A) Kuroshio Current o (B) Benguela Current o (C) Peru Current o (D) California Current


44. While assigned to a 150 GRT vessel, you are required to sign "foreign" articles on a voyage from New Orleans to which port?

o (A) Houston, Texas o (B) Veracruz, Mexico • (C) Cristobal Colon, Panama o (D) Kingston, Jamaica



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Q165-Navigation and Deck General-Safety U.S.C.G. Merchant Marine Exam OUPV to Master Near Coastal Less than 100 Gross Registered Tons Illustrations: 1 45. Your load line certificate expires on 27 May 1988. The vessel is surveyed on that date and is found

satisfactory. You are sailing foreign the same day. Which statement is TRUE?

• (A) The existing certificate is extended for a period of up to 150 days. o (B) The existing certificate is extended until the first foreign port of call where a new certificate will

be issued by the local surveyor. o (C) The existing certificate is endorsed as valid for a five year period commencing 27 May 1988. o (D) A new certificate must be issued before you sail.


46. As appropriate for the voyage, according to small passenger vessel regulations, all vessels must carry which adequate and up-to-date item(s)?

o (A) Light Lists o (B) Charts o (C) Coast Pilots • (D) All of the above


47. According to small passenger vessel regulations, while serving as Master on board your vessel, what should be done with your credential?

o (A) It must be kept in the Coast Guard office where you sat for your license o (B) It must be displayed in your home o (C) It must be displayed in the company office on shore • (D) It must be in your possession on board the vessel


48. When personnel are lifted by a helicopter from an inflatable liferaft, what should the personnel on the raft do?

o (A) Inflate the floor of the raft to provide for additional stability o (B) Take in the sea anchor to prevent fouling of the rescue sling • (C) Deflate the floor of the raft to reduce the danger of capsizing o (D) Remove their lifejackets to prepare for the transfer


49. You are underway in heavy weather and your bow is into the seas. Which action should you take to prevent pounding?

o (A) Increase the speed of the vessel o (B) Secure all loose gear on your vessel • (C) Decrease the speed of the vessel o (D) Put the seas on a 85 degree angle from the bow



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Q165-Navigation and Deck General-Safety U.S.C.G. Merchant Marine Exam OUPV to Master Near Coastal Less than 100 Gross Registered Tons Illustrations: 1 50. The upward slope of a vessels bottom from the keel to the bilge is called __________.

o (A) camber • (B) rise of bottom o (C) rake o (D) sheer



8/24/2017

National Maritime Center Providing Credentials to Mariners

5/23/2016

D029DG

Adapted for testing purposes only

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U.S.C.G. Merchant Marine Exam - dco.uscg.mil · Deficient oxygen content inside a chain locker can be detected with which ... volume of liquid in the tank ... Note any change in the