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.
6: Which statement about a tunnel bow thruster is TRUE?
Y a. It provides lateral control without affecting headway. N b. It is fully effective at speeds up to about six knots. N c. It can be used to slow the ship in addition to backing down. N d. It will allow you to hold a position when the current is from astern. 104: You are on watch at sea at night when a fire breaks out in #3 hold just forward of the bridge. You would NOT __________.
N a. call the Master Y b. proceed to the space and inspect the extent of the fire N c. shut down the cargo hold ventilation N d. sound the fire alarm signal to roust out all hands 127: In illustration D044DG, the mooring line labeled "C" is called a __________. (DO44DG )
Y a. breast line N b. shore line N c. spring line N d. stern line 249: Functions aboard a tanker or tank barge such as connecting, disconnecting, and topping off must be supervised by __________.
N a. any certificated tankerman N b. the Master of the vessel N c. the officer of the watch Y d. the person designated as "person in charge" 293: Which space(s) is(are) NOT exempt when measuring gross tonnage?
N a. Auxiliary machinery spaces above the deck N b. Steering gear room Y c. Cargo holds N d. Galley in a deckhouse 361: The strictest load line regulations apply to __________.
N a. gas carriers N b. freighters (break-bulk) Y c. passenger ships N d. tankers 457: You are the operator of an uninspected diesel towing vessel of 190 GT operating on a regular run from New York to the Gulf of Mexico. Which statement is TRUE?
N a. Deck watches may be 6 and 6. N b. Able seamen are not required in the deck crew. Y c. All crew members must have Merchant Mariner's Documents. N d. A licensed Chief Engineer is required. 457: You are the operator of an uninspected diesel towing vessel of 190 GT operating on a regular run from New York to the Gulf of Mexico. Which statement is TRUE?
N a. Deck watches may be 6 and 6. N b. Able seamen are not required in the deck crew. Y c. All crew members must have Merchant Mariner's Documents. N d. A licensed Chief Engineer is required. 457: You are the operator of an uninspected diesel towing vessel of 190 GT operating on a regular run from New York to the Gulf of Mexico. Which statement is TRUE?
N a. Deck watches may be 6 and 6. N b. Able seamen are not required in the deck crew. Y c. All crew members must have Merchant Mariner's Documents. N d. A licensed Chief Engineer is required. 505: Which form of navigation may be suspended without notice under defense planning?
N a. celestial N b. piloting Y c. electronic N d. None of the above 519: What is NOT a precaution to be taken when topping off?
N a. Reduce the loading rate. Y b. Notify the engine room of the procedure. N c. Maintain communications with the dock man. N d. Give the operation your undivided attention. 627: Your ship is steaming at night with the gyro-pilot engaged when you notice that the vessel's course is slowly changing to the right. What action should you take FIRST?
Y a. switch to hand steering N b. shift steering to the emergency steering station N c. call the Master N d. notify the engineroom 632: What does the helm command "shift the rudder" mean?
N a. Stop the swing of the ship. N b. Shift the rudder control to the alternate steering method. Y c. Put the rudder over to the opposite side, the same number of degrees that it is now. N d. Put the rudder amidships and hold the heading steady as she goes. 632: What does the helm command "shift the rudder" mean?
N a. Stop the swing of the ship. N b. Shift the rudder control to the alternate steering method. Y c. Put the rudder over to the opposite side, the same number of degrees that it is now. N d. Put the rudder amidships and hold the heading steady as she goes. 730: In a Williamson turn, the rudder is put over full until the __________.
N a. vessel has turned 90°From her original course Y b. vessel has turned 60°From her original course N c. vessel is on a reciprocal course N d. emergency turn signal sounds 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. 739: Camphor oil is classified as a grade __________.
N a. A N b. C Y c. D N d. E 744: When using natural-fiber rope, you should NEVER __________.
N a. dry the line before stowing it N b. reverse turns on winches periodically to keep out kinks Y c. try to lubricate the line N d. use chafing gear 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 921: Which item must be entered in the official log?
N a. All engine orders Y b. Drafts upon leaving port N c. Names of night mates and engineers N d. Number of cargo gangs on board 1280: Vertical structural members attached to the floors that add strength to the floors are called __________.
N a. boss plates N b. buckler plates Y c. stiffeners N d. breast hooks 1289: What would you use to adjust the height of a cargo boom?
N a. Lizard N b. Spanner guy Y c. Topping lift N d. Working guy 1356: If your vessel is dragging her anchor in a strong wind, you should __________.
N a. shorten the scope of anchor cable Y b. increase the scope of anchor cable N c. put over the sea anchor N d. put over a stern anchor 1424: A wire rope for a 10-ton boom on a vessel shows signs of excessive wear and must be replaced. What safety factor should be used when ordering a new wire?
N a. 4 Y b. 5 N c. 6 N d. 7 1486: Which is NOT a part of an anchor?
N a. Bill Y b. Devil's claw N c. Palm N d. Crown 1518: Your vessel is being towed and back-up wires have been installed. Back-up wires carry the towing load in the event that the __________.
N a. bridle legs part Y b. towing bitt or pad eye fails N c. bight ring fails N d. main towing hawser parts 1534: Which statement(s) is(are) TRUE concerning wire rope?
Y a. Wire rope should be condemned if the outside wires are worn to one-half their original diameter. N b. Wire rope should be condemned if the fiber core appears moist. N c. Wire rope which is right-hand laid should be coiled counterclockwise to prevent kinking. N d. All of the above 1730: A disk with a horizontal line through its center, equivalent to the summer load line, is called the __________.
N a. deadrise mark N b. maximum allowable draft mark Y c. Plimsoll mark N d. tonnage mark 1761: Load lines for U.S. vessels are assigned by __________.
N a. the U.S. Coast Guard Y b. the American Bureau of Shipping N c. Lloyd's Register of Shipping N d. the National Cargo Bureau 1820: If a drill required by regulations is not completed, the Master or person in charge must __________.
N a. report this immediately to the Commandant of the Coast Guard Y b. log the reason for not completing the drill N c. conduct two of the required drills at the next opportunity N d. All of the above 1857: The knot lettered T in illustration DO30DG is a __________. (DO30DG )
N a. round turn and two half hitches Y b. French bowline N c. carrick bend N d. stopper hitch 1950: You are proceeding to a distress site and expect large numbers of people in the water. Which statement is TRUE?
N a. You should stop to windward of the survivors in the water and only use the ship's boats to recover the survivors. N b. If the survivors are in inflatable rafts you should approach from windward to create a lee for the survivors. Y c. An inflatable liferaft secured alongside can be an effective boarding station for transfer of survivors from the boats. N d. Survivors in the water should never be permitted alongside due to the possibility of injury from the vessel. 2002: The structural member indicated by the letter K was fitted in segments between continuous longitudinals. It is known as which type of floor? (D033DG )
Y a. Intercostal N b. Open N c. Lightened N d. Non-watertight 2074: You are proceeding to a distress site. The survivors are in liferafts. What will make your ship more visible to the survivors?
N a. Steering a sinuous course N b. Steering a zig-zag course Y c. Turning on all available deck lights at night N d. Dumping debris over the side to make a trail to your vessel 2124: You are on watch aboard a vessel heading NW, with the wind from dead ahead, in heavy seas. You notice a man fall overboard from the starboard bow. Which action would NOT be appropriate?
N a. Hard right rudder N b. Throw a lifebuoy to the man, if possible N c. Send a man aloft Y d. Get the port boat ready 2150: The vessel shown has broken down and you are going to take her in tow. The wind is coming from her starboard beam. You are making more leeway than she. Where should you position your vessel when you start running lines? (DO25DG )
Y a. A N b. B N c. C N d. D 2179: A design modification of an anchor chain which prevents kinking is the __________.
N a. detachable link Y b. stud link N c. Kenter link N d. connecting link 2184: The lashings on a stack of containers with interlocking fittings restrain the forces that cause __________.
N a. toppling Y b. racking N c. buckling N d. crushing 2203: A Chinese stopper (two lines) will hold best when you __________.
N a. fasten the bitter ends to the mooring line with half hitches Y b. twist the ends together and hold them in the direction of the pull N c. twist the ends together and hold them in the direction opposite to the pull N d. twist the ends together and hold them at right angles to the mooring line 2291: Before a Master relieves a Pilot of the conn, the __________.
N a. Master must first request the Pilot to take corrective action N b. Master should agree to sign a release of liability form Y c. Master should foresee any danger to the vessel on the present course N d. vessel must be in extremis 2386: A vessel has an amidships superstructure. Which location would be most suitable for main deck stowage of vehicles?
N a. On top of #1 hatch N b. Beside the hatches, forward of the midships house N c. On top of the aftermost hatch on the vessel Y d. On top of the hatch immediately aft of the midships house 2480: A Danforth lightweight anchor does NOT hold well in which type of bottom?
N a. Mud Y b. Grass N c. Sand N d. Clay 2519: If a passenger vessel navigating the Great Lakes is required to carry 8 ring life buoys, how many of these buoys must have water lights attached?
N a. 8 Y b. 6 N c. 4 N d. 2 2578: According to regulations when, if ever, may cargo hatches on Great Lakes vessels, with more than 6 feet of freeboard, be left uncovered or open while the vessel is being navigated?
N a. If a Mate deems it necessary for ship's maintenance Y b. At the discretion of the Master, for reasonable purposes N c. On the authority of the Bosun N d. The hatch may never be uncovered 2593: On a transpacific voyage, you receive a message from your vessel's operators saying that your vessel has been consigned to voluntary Naval Control of Shipping. Further information is contained in __________.
N a. the Light List Y b. Radio Aids to Navigation (PUB 117) N c. the International Code of Signals (PUB 102) N d. the Coast Pilot 2726: The lifeboats on your vessel are stowed on cradles on deck and are handled by sheath-screw boom davits. Which of the following statements about launching a boat is TRUE?
N a. The boat should be hoisted a few inches clear of the cradle before cranking out the davits. N b. The inboard gripes should be cast off before the outboard gripes. Y c. The outboard section of the cradle must be released. N d. The tricing pendants will automatically bring the boat alongside at the embarkation deck. 2902: Which basic category of water level fluctuations on the Great Lakes is the most regular?
Y a. Seasonal fluctuations N b. Outflow fluctuations N c. Short-term fluctuations N d. Long-term fluctuations 2980: What is a step in attaching a poured metal socket to a wire rope?
Y a. Etch the wire with acid. N b. Install a wire seizing on the wire that will be inside the socket. N c. Ensure the fiber core is well lubricated. N d. Pour molten babbitt metal into the socket. 3008: A list signal of one white light indicates that the vessel is __________.
N a. on an even keel Y b. listing about 1° to the side the light is displayed on N c. listing over 5°With the light displayed on the high side N d. listing, and the chutes should be directed to the side where the light is displayed 3109: When hip towing, a line led from the bow of the towing vessel aft to the vessel being towed would be a __________.
N a. backing line Y b. towing line N c. stern line N d. breast line 3456: The vertical movement of a vessel in the water is called __________.
N a. pitch N b. sway Y c. heave N d. roll 4007: You are the operator of a towing vessel which collides with a buoy and drags it off station. What should you do if the damage to your vessel is not serious?
Y a. Immediately notify the nearest Coast Guard Marine Safety or Inspection Office and no further action is necessary. N b. If the buoy is afloat, no action is necessary. N c. Wait one week and submit form CG-2692 to the nearest Coast Guard Marine Safety or Inspection Office. N d. Immediately notify the nearest Coast Guard Marine Safety or Inspection Office and then submit form CG-2692. 4013: What is the minimum size required before a vessel can be documented?
N a. 26 feet; end-to-end over the deck excluding sheer N b. 100 gross tons Y c. 5 net tons N d. 26 feet between perpendiculars 4071: The head block is located___________.
N a. at the base of the boom Y b. at the head of the boom N c. at the head of the mast N d. on top of the jack staff 4139: A disadvantage of using chain lashing on heavy vehicles aboard Ro-Ro vessels is that __________.
N a. it is easily damaged N b. it is affected by temperature Y c. the links lose strength if placed over corners N d. it has high initial cost 4160: According to the IMO Code, what are the minimum number of securing points that should be on each side of a "road vehicle", whose gross vehicle mass is between 20 tons and 30 tons, when carried on Ro-Ro vessels?
N a. One N b. Two Y c. Three N d. Four 4185: How could lashing gear used aboard Ro-Ro vessels be stowed when not in use?
N a. Drape along brackets N b. Hang vertically in a sheltered area N c. Stow in bins at hatch coming side Y d. All of the above 4222: What does item "C" refer to in this illustration of a 30-ton pedestal crane? (D045DG )
N a. Equalizing beam N b. Hoist fall spreader Y c. Rider block N d. Block/hook assembly 4234: What describes a tandem crane lift?
N a. Single crane hoisting 30 tons N b. Two cranes on a single pedestal hoisting 60 tons Y c. Two sets of twin cranes hoisting 120 tons N d. All of the above 4236: What is another description for a tandem crane lift?
N a. Single crane hoisting 30 tons N b. Twin cranes hoisting 60 tons Y c. Quad lift hoisting 120 tons N d. All of the above