This is an interactive test. Read each question and select the proper answer by clicking on the appropriate answer. If a "Y" appears, your choice is correct. If a "N" appears, more study may be in order.
24: A crack in the deck plating of a vessel may be temporarily prevented from increasing in length by __________.
N a. cutting a square notch at each end of the crack Y b. drilling a hole at each end of the crack N c. slot-welding the crack N d. welding a doubler over the crack 32: The explosive range of a fuel lies between the lower explosive limit and the __________.
N a. flash point N b. ignition temperature Y c. upper explosive limit N d. fire point 35: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated ROUTINE will be delivered within __________.
Y a. 3 hours to start of business the following day N b. 1 to 6 hours N c. 30 minutes to 1 hour N d. 10 minutes if possible 59: Combustible liquid is defined as any liquid having a flash point above __________.
N a. 40°F ( 4°C) Y b. 80°F (27°C) N c. 110°F (43°C) N d. 150°F (66°C) 64: Which statement about damage control is TRUE?
Y a. A hole in the hull at the waterline is more dangerous than a hole below the inner bottom. N b. The amount of water entering a ship through a hole varies inversely to the area of the hole. N c. Water flowing into a lower compartment on a ship is more dangerous than water on deck or flowing into an upper compartment. N d. Water flowing over the fo'c'sle bulwark is more dangerous than a hole in the hull at the waterline. 161: A seaman leaves a vessel before it sails from a foreign port. He informs the Chief Officer that he won't return. After the vessel sails, the Chief Officer finds the seaman's work clothes in his locker. How should the Master handle this matter?
Y a. Log the seaman as a deserter. N b. Log the seaman as a fail to join. N c. Log the seaman for misconduct. N d. Take no action. 176: The turning circle of a vessel is the path followed by the __________.
N a. tipping center N b. bow N c. outermost part of the ship while making the circle Y d. center of gravity 222: A lot of special cargo of similar cartons, as shown, is to be loaded. What is the weight of the consignment? (D042DG )
N a. 50 pounds N b. 1100 pounds N c. 1200 pounds Y d. 1250 pounds 263: Which type of hull damage should be repaired FIRST?
N a. Damage below the waterline N b. Damage to interior watertight boundaries N c. Damage in way of machinery rooms Y d. Damage at or just above the waterline 374: Holes in the bulwark, which allow deck water to drain into the sea, are __________.
N a. doggers N b. fidleys Y c. freeing ports N d. swash ports 383: What is TRUE of pressure/vacuum valves?
N a. They are designed to provide for the flow of small volumes of tank atmospheres caused by thermal variations in a cargo tank. N b. They should operate in advance of the pressure/vacuum breakers. N c. They should be kept in good working order by regular inspection and cleaning. Y d. All of the above 438: Your vessel is loaded with nonhygroscopic cargoes and is going from a cold to a warm climate. You should __________.
N a. start the exhaust blowers N b. start the intake blowers Y c. not ventilate the cargo holds N d. ventilate the cargo holds 438: Your vessel is loaded with nonhygroscopic cargoes and is going from a cold to a warm climate. You should __________.
N a. start the exhaust blowers N b. start the intake blowers Y c. not ventilate the cargo holds N d. ventilate the cargo holds 484: On stud-link anchor chain the addition of the stud increases the strength of the link by about __________.
N a. 10% Y b. 15% N c. 20% N d. 50% 496: Your twin-screw vessel is moving ASTERN with rudders amidships. The starboard screw suddenly stops turning. Your vessel's head will __________.
Y a. go to port N b. go to starboard N c. remain stationary N d. suddenly drop down 715: The term "overriding" or "overrunning" when applied to towing, implies that __________.
N a. there is more crew on board than required Y b. the tow has overtaken its tug N c. the towing hawser comes out of the water N d. the Norman pins are not effective 733: Before leaving port on an ocean tow, a tug captain should assure himself of all the following EXCEPT __________.
N a. the towing hawser can be released quickly in an emergency N b. the correct navigation lights are rigged and operable on the tug and tow Y c. an insurance underwriter has prepared a pre-sailing survey N d. a pick-up wire has been rigged on the tow in case of a breakaway. 760: The connection to the towline must be secured with a ____________ .
N a. galvanized screw-pin shackle N b. hardened steel thimble Y c. shackle secured a nut and cotter pin N d. shackle fitted with a swivel piece 822: You are on watch at sea at night and a fire breaks out in #3 hold. What should be done IMMEDIATELY?
Y a. Shut down the cargo hold ventilation. N b. Proceed to the space and determine the extent of the fire. N c. Flood the space with C02 from the fixed fire fighting system. N d. Cool the deck to contain the fire. 834: A whipping on a fiber line __________.
Y a. keeps the ends from fraying N b. strengthens it N c. protects your hands N d. becomes part of a splice 865: A nylon line is rated at 15,000 lbs. breaking strain. Using a safety factor of 5, what is the safe working load (SWL)?
Y a. 3,000 lbs N b. 5,000 lbs N c. 15,000 lbs N d. 65,000 lbs 905: When should you conduct a visual inspection of your towline?
N a. Whenever its serviceability is in doubt. N b. In accordance with the manufacturer's recommendation. N c. At least once a month. Y d. All of the above 915: What is the period of validity of a Cargo Ship Safety Radio Certificate?
N a. 6 months N b. 12 months N c. 24 months Y d. 60 months 996: With a following sea, a vessel will tend to __________.
N a. heave to N b. pound N c. reduce speed Y d. yaw 1016: Your vessel is off a lee shore in heavy weather and laboring. Which action should you take?
Y a. Put the sea and wind about two points on either bow and reduce speed. N b. Heave to in the trough of the sea. N c. Put the sea and wind on either quarter and proceed at increased speed. N d. Put the bow directly into the sea and proceed at full speed. 1114: What type of stopper would you use on a nylon mooring line?
N a. Chain Y b. Nylon N c. Manila N d. Wire 1130: The fittings used to secure a watertight door are known as __________.
N a. clamps N b. clasps Y c. dogs N d. latches 1139: The pivoting point of a vessel going ahead is __________.
N a. near the stern N b. at the hawsepipe Y c. about one-third of the vessel's length from the bow N d. about two-thirds of the vessel's length from the bow 1186: Which term describes a rope in which three right-handed strands are laid up left-handed?
N a. Soft-laid N b. Hard-laid N c. Shroud laid Y d. Hawser-laid 1202: Under the Carriage of Goods by Sea Act of 1936, a vessel will be liable for damage to cargo when the damage arises from __________.
N a. an act of war Y b. lack of ventilation in transit N c. perils of the sea N d. an error in navigation 1265: You are picking up an unconscious person that has fallen overboard in a fresh breeze. For safety reasons a small craft should approach with the __________.
N a. victim to leeward Y b. victim to windward N c. wind on your port side N d. wind on your starboard side 1389: A band or collar on the top end of a boom to which the topping lift, midships guy, and outboard guys are secured, is called the __________.
N a. collar band N b. guy band N c. pad eye collar Y d. spider band 1439: Which part provides for transverse control and positioning of a boom in a conventional yard and stay system?
Y a. Guy N b. Shroud N c. Spider N d. Topping lift 1604: Which knot would serve best as a safety sling for a person working over the side?
N a. Bowline on a bight Y b. French bowline N c. Jug sling N d. Lifting hitch 1634: A monkey fist is found on a __________.
Y a. heaving line N b. lead line N c. manrope N d. mooring line 1644: A rolling hitch can be used to __________.
N a. make a temporary eye N b. mouse a hook Y c. secure a line around a spar N d. shorten a line 1666: While anchoring your vessel, the best time to let go the anchor is when the vessel is __________.
N a. dead in the water Y b. moving slowly astern over the ground N c. moving fast ahead over the ground N d. moving fast astern over the ground 1674: Which is NOT a type of seizing?
N a. Flat seizing N b. Racking seizing N c. Throat seizing Y d. Tube seizing 1722: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated PRIORITY will be delivered within __________.
N a. 3 hours to start of business the following day Y b. 1 to 6 hours N c. 30 minutes to 1 hour N d. 10 minutes if possible 2062: The vessel shown has broken down and you are going to take her in tow. The wind is on her starboard beam. She is making more leeway than you. Where should you position your vessel when you start running lines? (DO25DG )
N a. A N b. B N c. C Y d. D 2086: What is the mechanical advantage of tackle number 11? (DO29DG )
N a. 7 Y b. 6 N c. 5.5 N d. 5 2103: You are signing on the Purser. He should present a Merchant Mariner's document with which endorsement?
Y a. See Certificate of Registry N b. Steward's Department N c. Purser N d. Staff Officer 2149: When anchoring in a clay bottom, what is one hazard that may cause the anchor to drag?
N a. The flukes may dig in unevenly and capsize the anchor when under stress. N b. The flukes may not dig in. Y c. The anchor may get shod with clay and not develop full holding power. N d. The anchor will tend to dig in and come to rest near the vertical. 2175: Which is a negotiated charter?
Y a. Fixture N b. Bill of Lading N c. Conference agreement N d. All of the above 2227: You are using tackle number 4 in illustration DO29DG to lift a weight of 120 lbs. If you include 10 percent of the weight for each sheave for friction, what is the pull on the hauling part required to lift the weight? (DO29DG )
N a. 20 lbs. N b. 30 lbs. Y c. 42 lbs. N d. 57 lbs. 2385: You are on a multiple-product chemical tanker and will carry cargoes of butyric acid, propylene oxide, and octyl alcohol. Which statement is true?
N a. Butyric acid is incompatible with octyl alcohol but not propylene oxide. Y b. Propylene oxide may not be stowed in a tank adjacent to butyric acid. N c. All of these cargoes are compatible. N d. Octyl alcohol is incompatible with both butyric acid and propylene oxide. 2481: You are proceeding under NCS (Naval Control of Shipping) and wish to send a message concerning an initial enemy contact. Which precedence would you assign this message?
N a. P (PRIORITY) Y b. Z (FLASH) N c. R (ROUTINE) N d. O (IMMEDIATE) 2676: Who cannot commit the crime of barratry?
N a. Master N b. Ship's officer(s) N c. Ship's unlicensed crewmember(s) Y d. Ship owner 2817: The command "meet her" means the helmsman should __________.
N a. decrease the rudder angle N b. steer more carefully Y c. use rudder to slow the vessel's swing N d. note the course and steady on that heading 2911: The wooden plug inserted in the vent of a damaged tank should be removed if you are going to __________.
Y a. pump from the damaged tank N b. fight a fire N c. abandon ship N d. use the crossover system 3079: What is a solid at ambient temperature?
N a. Aniline N b. Formic acid N c. Methyl chloride Y d. Napthalene 3081: A seaman is entitled by law to a release from Foreign Articles when __________.
N a. intoxicated N b. deductions are made from wages N c. injured Y d. the vessel is overloaded 3511: The wheel on the windlass with indentations for the anchor chain is the __________.
N a. grabber Y b. wildcat N c. locking ring N d. pawl 3982: Fairleads perform the same function as __________.
N a. deadeyes N b. bollards N c. bitts Y d. chocks 4060: You are arriving in port and are assigned to anchor in anchorage circle B-4. It has a diameter of 550 yards and your vessel's LOA is 449 feet. If you anchor in 9 fathoms at the center of the circle, what is the maximum number of shots of chain you can use and still remain in the circle?
N a. 6 shots N b. 5 shots Y c. 4 shots N d. 3 shots 4096: Yawing is angular motion of the vessel about what axis?
N a. Longitudinal N b. Transverse Y c. Vertical N d. Centerline 4111: What is(are) standard operating procedure(s) used on a Ro-Ro vessel?
N a. Two deck officers assigned to oversee the initial loading and lashing N b. Lashings may be completed after leaving port Y c. Periodic inspection and retensioning of lashings as required during voyage N d. All of the above 4177: Which of the following actions are stated in the correct order prior to loading or discharging cargo on a Ro-Ro vessel?
N a. Turn on ventilation for cargo holds, lower the stern ramp, raise/open the stern door N b. Turn on ventilation for cargo holds, raise/open the stern door, lower the stern ramp Y c. Lower the stern ramp, raise/open the stern door, turn on ventilation for cargo holds N d. Raise/open the stern door, lower the stern ramp, turn on ventilation for cargo holds 4223: What does item "A" refer to in this illustration of a 30-ton pedestal crane? (D045DG )
N a. Boom luffing falls Y b. Cargo hoist falls N c. Remote block tagline system N d. Slewing cable 4278: Which wire rope purchase(s) is/are optional with a 30-Ton pedestal crane?
N a. Hoist N b. Luff Y c. Rider block N d. All of the above