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.
39: Combustible liquids are divided into how many grades?
N a. One Y b. Two N c. Three N d. Four 47: You are proceeding under NCS (Naval Control of Shipping) and wish to send a message warning of a hurricane. Which precedence would you assign this message?
Y a. O (IMMEDIATE) N b. P (PRIORITY) N c. R (ROUTINE) N d. Z (FLASH) 76: Leeway is the __________.
N a. difference between the true course and the compass course N b. momentum of a vessel after her engines have been stopped Y c. lateral movement of a vessel downwind of her intended course N d. displacement of a vessel multiplied by her speed 103: Your ship is in shallow water and the bow rides up on its bow wave while the stern sinks into a depression of its transverse wave system. What is this called?
N a. Broaching N b. Fish tailing Y c. Squatting N d. Parallel sinkage 116: In relation to the turning circle of a ship, the term "transfer" means the distance __________.
N a. gained in the direction of the original course Y b. gained at right angles to the original course N c. the ship moves sidewise from the original course away from the direction of the turn after the rudder is first put over N d. around the circumference of the turning circle 213: You are the Master of a single-screw vessel. You are docking at a port which has no tugs available. You decide to drop the offshore anchor to help in docking. The amount of chain you should pay out is __________.
N a. 5 to 7 times the depth of the water Y b. 1 1/2 to 2 times the depth of the water N c. equal to the depth of the water N d. you should NEVER use the anchor to help in docking 257: The distance between the surface of the liquid and the tank top in a cargo tank is called __________.
N a. thievage N b. innage Y c. ullage N d. tankage 418: On a vessel proceeding from a very cold to a warm climate with a cargo of a nonhygroscopic nature in the holds, which is TRUE?
N a. Danger of heavy ship sweat exists; constant and vigorous ventilation is required. Y b. There is danger of heavy cargo sweat if outside air is introduced by ventilation. N c. There is little danger of ship's sweat, slight possibility of cargo sweat; moderate ventilation is needed. N d. The possibility of any sweat problem, either cargo or ship, is remote. 511: All U.S. Flag vessels engaged in foreign trade are required to have a(n) __________.
N a. enrollment N b. license Y c. registry N d. sea letter 511: All U.S. Flag vessels engaged in foreign trade are required to have a(n) __________.
N a. enrollment N b. license Y c. registry N d. sea letter 534: Which is part of the ground tackle?
N a. Charlie noble Y b. Devil's claw N c. Gooseneck N d. Rat's tail 561: Which space cannot be deducted from gross tonnage when calculating net tonnage?
N a. Crew messroom Y b. Forepeak ballast tank N c. Master's cabin N d. Chain locker 633: A tug is best positioned for towing and maneuvering on rivers and other restricted waters where wave action is limited when __________.
Y a. directly astern and pushing the tow N b. towing on a hawser N c. towing alongside and parallel to the vessel it is towing N d. towing on the hip 674: Stuffer-braid rope has __________.
Y a. a yarn core N b. no core N c. three strands N d. 12 threads 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 778: What is the stowage factor of a commodity whose density is 15 pounds per cubic foot?
N a. 15 N b. 45 N c. 133 Y d. 149 831: The Oil Record Book on a vessel NOT engaged on a foreign voyage shall be maintained on board for not less than __________.
N a. 12 months N b. 24 months Y c. 36 months N d. 48 months 922: You are on watch at sea at night, and a fire breaks out in #3 hold. What would you NOT do immediately?
N a. Shut down the cargo hold ventilation. N b. Sound the fire alarm signal to rouse out all hands. N c. Call the Master. Y d. Proceed to the space and inspect the extent of the fire. 1136: Your vessel is to dock bow first at a pier without the assistance of tugboats. Which line will be the most useful when maneuvering the vessel alongside the pier?
N a. Bow breast line Y b. Bow spring line N c. Inshore head line N d. Stern breast line 1167: A vessel will "squat" when it proceeds underway __________.
N a. only in deep water N b. only in shallow water Y c. in all depths of water N d. only in narrow channels 1191: Which statement is TRUE about the use of a "gob rope"?
N a. The gob rope is a mooring line for tyhing up lighters for working cargo alongside a vessel anchored in an open roadstead. Y b. The gob rope is used to secure the towline aft over the centerline of a tug.. N c. The gob rope is a line hung over a vessel's side to assist in boarding. N d. The gob rope is a rope used in mooring a vessel to a buoy. 1533: What is the best splice for repairing a parted synthetic fiber mooring line?
N a. Liverpool splice N b. Locking long splice N c. Long splice Y d. Short splice 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 1544: The main function of the core of a wire rope is to __________.
N a. give flexibility Y b. support the strands laid around it N c. allow some circulation around the strands N d. allow lubrication inside the rope 1582: Which is an example of failure to exercise due diligence?
Y a. Overloading N b. Sailing short of union manning requirements N c. Sailing with less than 30% reserve fuel oil supply N d. Sailing short of being full and down 1650: To reduce the number of strakes at the bow, two strakes are tapered and joined at their ends by a single plate. This plate is known as a __________.
N a. cover plate N b. joiner N c. lap strake Y d. stealer plate 1804: Instead of whipping an end of a line, a temporary means of preventing the line from unraveling is to tie a __________.
N a. becket bend N b. blackwall hitch Y c. figure-eight knot N d. square knot 1841: If a tow sinks in shallow water, you should __________.
N a. release it immediately N b. attempt to beach it before it goes under Y c. pay out cable until it's on the bottom and place a buoy on the upper end N d. shorten cable to keep it off the bottom 1875: A seam is indicated by which letter in illustration D033DG? (D033DG )
Y a. E N b. H N c. L N d. M 1972: Payment of penalty for a ship's delay after the expiration of lay days due to some fault of the charterer or his agent is known as __________.
Y a. demurrage N b. late fee N c. miscibility N d. volatility 2054: What is the name of the mark indicated by the letter B in the diagram? (D003DG )
N a. Timber summer load line Y b. Tropical fresh water load line N c. Tropical load line N d. Summer load line 2089: In addition to the load lines indicated in illustration D003DG, some vessels have a Winter North Atlantic line. Which statement about this load line mark is TRUE?
N a. It is carried on VLCC/ULCC type vessels and allows reduced freeboard considering their size. N b. It is marked above line B in the diagram. N c. It is applied to vessels on restricted trade routes between the United Kingdom, Iceland, and Northern European countries. Y d. It applies only to vessels not exceeding 328 ft. navigating in the Winter North Atlantic zones. 2111: You are anchoring in 16 fathoms of water. On a small to medium size vessel, the __________.
N a. anchor may be dropped from the hawsepipe Y b. anchor should be lowered to within 2 fathoms of the bottom before being dropped N c. scope should always be at least ten times the depth of the water N d. scope should always be less than 5 times the depth of the water 2119: You are coming to anchor in 8 fathoms of water. In this case, the __________.
Y a. anchor may be dropped from the hawsepipe N b. anchor should be lowered to within 2 fathoms of the bottom before being dropped N c. anchor should be lowered to the bottom then the ship backed and the remainder of the cable veered N d. scope should be less than 3 times the depth of the water 2127: The maneuver which will return your vessel to a person who has fallen overboard in the shortest time is __________.
N a. a Williamson Turn N b. engine(s) crash astern, no turn Y c. a single turn with hard rudder N d. two 180° turns 2156: You are standing watch on entering port and the Master gives a rudder command which conflicts with a rudder command from the Pilot. You should ensure the helmsman __________.
Y a. obeys the Master N b. obeys the Pilot N c. brings the rudder to a position midway between the two conflicting positions N d. asks the Pilot if he has relinquished control 2216: What is the mechanical advantage, neglecting friction, of tackle number 4? (DO29DG )
N a. 1 N b. 2 N c. 3 Y d. 4 2261: The machinery associated with heaving in and running out anchor chain is the __________.
N a. winch Y b. windlass N c. draw works N d. dynamic pay out system 2311: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated FLASH will be delivered within __________.
Y a. 10 minutes if possible N b. 1 to 6 hours N c. 30 minutes to 1 hour N d. 3 hours to start of business the following day 2377: 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?
N a. If the buoy is afloat, no action is necessary. Y b. Immediately notify the nearest Coast Guard Marine Safety or Inspection Office and no further 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. 2395: Determine the area of a triangle with a base of 4.7 feet and a height of 6.3 feet.
N a. 29.6 square ft. N b. 26.2 square ft. N c. 18.5 square ft. Y d. 14.8 square ft. 2648: The smallest size of flaw that can be detected on a radiograph examination of a weld will be indicated by the __________.
N a. film speed Y b. penetrometer N c. exposure reading N d. time of exposure 2746: Which of the Great Lakes experiences the least amount of water level fluctuation between seasonal high and low water marks?
N a. Lake Huron N b. Lake Erie Y c. Lake Superior N d. Lake Michigan 2748: The Lake Carriers Association and the Canadian Shipowners Association prescribe separation routes for upbound and downbound vessels on the Great Lakes. The recommended courses for these routes are shown on the Great Lakes Charts in the form of __________.
Y a. red or magenta figures over a segmented course line track N b. red figures over a solid course line track N c. black figures over a segmented course line track N d. green figures over a solid course line track 2912: When tank cleaning with a portable machine, the weight of the machine is suspended from __________.
N a. solid iron bars clamped to the Butterworth opening Y b. the supply hose N c. the suspension line, usually manila or natural fiber line N d. a wire rope suspension line 3140: If the Certificate of Inspection of a damaged tank barge has expired, which certificate may be issued to allow its movement to a repair facility?
N a. Change of employment Y b. Permit to proceed N c. Application for inspection N d. Temporary Certificate of Inspection 3172: The signal man assisting the crane operator has his hands clasped in front of his body. This is the signal to __________.
Y a. dog everything N b. stop N c. stand-by N d. prepare for signal 3456: The vertical movement of a vessel in the water is called __________.
N a. pitch N b. sway Y c. heave N d. roll 3519: Strengthening damaged bulkheads by using wood or steel is called __________.
N a. bracing N b. battening N c. blocking Y d. shoring 3561: A holder of a license as Operator of Uninspected Towing Vessels may work each 24 hours for a period not to exceed __________.
N a. 24 hours N b. 18 hours Y c. 12 hours N d. 6 hours 3561: A holder of a license as Operator of Uninspected Towing Vessels may work each 24 hours for a period not to exceed __________.
N a. 24 hours N b. 18 hours Y c. 12 hours N d. 6 hours 3689: The wildcat is linked to the central drive shaft on most windlasses by __________.
N a. an electromagnetic brake N b. a hydraulic coupling N c. aligning the keyways on both and inserting a key Y d. a mechanical coupling where lugs engage detents 3938: With a given load on the cargo hook, tension in a single span topping lift __________.
N a. increases as the boom's angle to the horizontal increases N b. is at a maximum when the boom is at a 45° angle to the horizontal Y c. increases as the boom's angle to the horizontal decreases N d. decreases as the boom's angle to the horizontal decreases 4046: Which statement about tunnel bow thrusters fitted to large vessels is TRUE?
N a. They are effective on most vessels at speeds up to 10 knots. N b. Because of their location, most modern installations have as much power as a tug. N c. They are fully effective at all drafts. Y d. When going astern at slow speed, they provide effective steering control. 4049: Tugs sometimes shackle a length of chain in the towline in order to __________.
N a. take the wear should the towline drag bottom N b. assure that if the towline is overstressed it will part close to the bridle N c. prevent the towline from whipping should it part Y d. put spring in the towline 4092: To reconnect a broken tow line, it is better to use a polypropylene messenger line because it __________.
N a. has great strength N b. is very supple Y c. floats N d. absorbs shock by stretching 4164: 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 30 tons and 40 tons, when carried on Ro-Ro vessels?
N a. One N b. Two N c. Three Y d. None of the above 4202: Which of the following statements is/are TRUE concerning cranes being installed on the centerline of vessels?
N a. One crane is able to work both sides of the ship. N b. One crane is able to work one end of two adjacent hatches. N c. They are more economical and weigh less. Y d. All of the above 4242: What is the advantage of the tandem working arrangement of pedestal cranes when operating cargo?
N a. The cranes enable the handling of heavy cargos without shoreside assistance N b. The cargo discharge can be accomplished with controlled pendulation N c. The cargo discharge can be performed in port or at anchor Y d. All of the above 4280: Which statement is FALSE concerning a tagline as used with a 30-ton pedestal crane?
Y a. Taglines are wire rope purchases that raise and lower the jib. N b. Taglines are wire ropes for horizontal positioning of the rider block. N c. Taglines can be fastened to corners of vehicles or containers. N d. The crane might not have taglines installed in its rigging system.