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.
81: Your 199 GT tugboat is on a 675 mile coastwise voyage. What percentage of the deck crew must be Able Bodied Seamen?
N a. 0% N b. 25% N c. 50% Y d. 65% 86: The turning circle of a vessel making a turn of over 360 degrees is the path followed by the __________.
N a. bow N b. bridge N c. centerline Y d. center of gravity 135: Corrosive liquids and acids should have which kind of label?
N a. Skull and crossbones N b. Yellow and white N c. Red and white Y d. White and black 147: In illustration D044DG, the mooring line labeled "B" is called a(n) __________. (DO44DG )
Y a. inshore stern line N b. offshore stern line N c. after spring line N d. after breast line 178: Which can be prevented only by segregating two lots of cargo into separate holds?
N a. Contamination of dry cargo by a wet cargo N b. Contamination of a clean cargo by a dirty cargo Y c. Contamination of a food cargo by an odorous cargo N d. Overcarriage, overstowage, and short landing 247: The main advantage and chief characteristic of a Steulchen boom is that it can be __________.
N a. operated by one winchman N b. cradled on deck Y c. swung from one hatch to the adjacent hatch N d. collared to the mast 254: "Ease the rudder" means to __________.
N a. move the rudder slowly in the direction of the most recent rudder command N b. bring the rudder amidships Y c. decrease the rudder angle N d. steer the course which is your present heading 527: What equipment is NOT used to protect a towing hawser?
N a. Hawser boards and chafing gear Y b. Halyards and snaphooks N c. Seizing wire, rope yarn and marline N d. Norman pins and tow spans 553: A bridle for an ocean tow consists of __________.
Y a. two chains of equal length N b. a single nylon pendant rove through a heavy ring free to move on the pendant N c. two long legs of wire rope shackled to a fishplate N d. a single length of heavy chain with both ends secured on deck to welded pad eyes 598: What is NOT an advantage of containership operations over conventional break-bulk operations?
Y a. Flexibility of operation N b. Greater operational safety N c. Lower stevedoring costs N d. Reduction of cargo damage 667: While towing in shallow water you should consider __________.
N a. using a short towing hawser Y b. using a floating hawser N c. the catenary and the effect it may have on the tow N d. All of the above 684: Right-laid line should be coiled __________.
Y a. clockwise N b. counterclockwise N c. either clockwise or counterclockwise N d. on a reel 703: The operator of an uninspected vessel MUST assist people affected by an accident if he or she can do so without __________.
Y a. serious danger to his or her own vessel N b. further damaging the other vessel N c. undue delay N d. creating a panic on either vessel 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 786: You are on a single-screw vessel with a right-handed propeller, and you are making headway. When you enter shallow water, __________.
N a. you will have better rudder response N b. your speed will increase without a change in your throttle Y c. your rudder response will become sluggish N d. your vessel will tend to ride higher 895: Which factor would NOT lead to removing a towline from service?
N a. An excessive number of miles of towing service. N b. Failing a tensile strength test that proved the towline was no longer appropriate for expected sea conditions. Y c. When heavy grease on the towline saturates the core of the wire rope. N d. Its surface condition is noted, including its corrosion and discoloration. 1000: The "Mode" selector switch can be positioned and select all of the following EXCEPT __________.
Y a. weather adjustments N b. hand-electric steering N c. automatic gyro N d. non-followup control 1093: When rigging a bosun's chair, a tail block or lizard is used to __________.
N a. guide the bosun's chair down a stay when applying a protective coating N b. run paint or tools up to a sailor in a chair with a heaving line N c. keep a bosun's chair from swinging with the ship's motion Y d. reeve the gantline through 1127: All entries in the Official Logbook must be signed by the Master and __________.
N a. the Chief Engineer N b. the person about whom the entry concerns Y c. one other crew member N d. No other signature is required. 1256: You are docking an oceangoing single-screw vessel under normal circumstances with a single tug. The tug is usually used to __________.
Y a. control the bow and is tied to the offshore bow N b. control the stern and is tied to the stern on the offshore side N c. pull the vessel into the slip and is tied to the bow N d. push the ship bodily alongside and is tied to the offshore side amidships 1260: The function of the bilge keel is to __________.
Y a. reduce the rolling of the vessel N b. serve as the vessel's main strength member N c. add strength to the bilge N d. protect the vessel's hull when alongside a dock 1406: How many fathoms are in a shot of anchor cable?
N a. 6 Y b. 15 N c. 20 N d. 30 1421: The charterer has completed loading the vessel in 3 days instead of the 5 days agreed to in the charter party. As a result of this, the __________.
N a. shipowner may charge for two lay days Y b. charterer may receive dispatch money N c. stevedore may collect demurrage N d. consignee may be required to pay a ceaser fee 1436: How many feet are there in 2 shots of anchor chain?
N a. 50 N b. 60 Y c. 180 N d. 360 1709: The force acting on a single cargo runner which is vertically lifting or lowering a load is greatest when __________.
Y a. decelerating when lowering the load N b. decelerating when raising the load N c. lowering the load at constant speed N d. raising the load at constant speed 1732: Which picture in illustration D030DG represents a half hitch? (D030DG )
Y a. U N b. S N c. K N d. H 1740: The group of markings shown is called a __________. (D003DG )
N a. loft mark Y b. load line mark N c. test mark N d. water mark 1743: A mooring line leading at nearly right angles to the keel is a __________.
N a. bow line Y b. breast line N c. spring line N d. stern line 1768: As a rule, ships of most configurations, when drifting in calm water with negligible current, will lie __________.
N a. bow to the wind Y b. beam to the wind N c. stern to the wind N d. with the wind on the quarter 1801: A vessel proceeding to London, England, from New York makes an unscheduled call at the port of Hamilton, Bermuda. What term is used to denote the voluntary departure from the usual course?
N a. Alteration Y b. Deviation N c. Liberty N d. Unscheduled stop 1806: If the situation arose where it became necessary to tow a disabled vessel, which statement is TRUE concerning the towing line?
N a. The towing line between the two vessels should be clear of the water. N b. The towing line should be taut at all times between the vessels. Y c. There should be a catenary so the line dips into the water. N d. None of the above 1852: What is normally used to pass a mooring line to a dock?
N a. Distance line N b. Gantline Y c. Heaving line N d. Tag line 1870: The knot lettered S is a __________. (DO30DG )
N a. bowline Y b. blackwall hitch N c. half hitch N d. hook hitch 1873: How much weight can you lift by applying 100 lbs. of force to a twofold purchase rigged to disadvantage (do not consider friction)?
N a. 200 lbs. N b. 300 lbs. Y c. 400 lbs. N d. 500 lbs. 1896: You are on a large merchant vessel entering a U,S, port. There is a Pilot on board and he has the conn. Which statement is TRUE?
Y a. The Master is responsible for the safe navigation of the ship and the Pilot is employed for his local knowledge. N b. The Pilot is solely responsible for the safe maneuvering of the ship only if he is required to be on board by law. N c. The Pilot is solely responsible for the internal working of the ship. N d. The Pilot becomes solely responsible for the safe navigation of the vessel only if the Master relinquishes the conn. 1931: You are using tackle number 12 to lift a weight of 300 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. 80 lbs. Y b. 69 lbs. N c. 55 lbs. N d. 50 lbs. 1963: What should you do to a line to prevent fraying where it passes over the side of the vessel?
N a. Worm that part of the line. N b. Splice that part of the line. Y c. Cover it with chafing gear. N d. Install a cleat. 2016: The revolving drum of a winch used to haul lines is called a __________.
N a. bull gear Y b. gypsyhead N c. spanner N d. wildcat 2211: What is the mechanical advantage, neglecting friction, of tackle number 5? (DO29DG )
N a. 2 N b. 4 Y c. 5 N d. 5.5 2259: You have determined the maneuvering characteristics of your vessel by taking radar ranges and bearings of an isolated light while making a turn. The results are as shown. Based on this data what is the advance for a turn of 90°? (D035DG )
N a. 490 yards N b. 350 yards Y c. 800 yards N d. 885 yards 2344: An example of an anchor which has a stock is a __________.
N a. Bruce anchor N b. Dunn anchor N c. Hook anchor Y d. Danforth anchor 2345: A splice that can be used in running rigging, where the line will pass through blocks, is a __________.
N a. short splice Y b. long splice N c. back splice N d. spindle splice 2391: Determine the weight of a rectangular piece of 40.8 lbs. steel measuring 3 feet by 5 feet.
N a. 326.4 lbs N b. 453.6 lbs Y c. 612.0 lbs N d. 1224.0 lbs 2475: The use of liners in riveted construction is eliminated by using __________.
N a. lapped construction N b. strapped construction Y c. joggled construction N d. belted construction 2512: Ultrasonic testing is used to determine the thickness of a vessel's shell plating and to __________.
N a. provide tail shaft clearances Y b. test welds for subsurface defects N c. check the wear of the rudder carrier bearing N d. test the links of the anchor cables while being ranged 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 2580: You want to double the strength of a mooring line by using two lines. To accomplish this, the second line must __________.
N a. be 1 1/2 times the diameter of the first N b. be married to the first N c. not cross the first Y d. be of the same length 2761: A short ton is a unit of weight consisting of __________.
N a. 1,000 pounds Y b. 2,000 pounds N c. 2,205 pounds N d. 2,240 pounds 2804: Which publication is NOT carried on board U.S. merchant vessels operating under Naval Control of Shipping?
N a. Allied Control of Shipping Manual - Guide to Masters N b. Communications Supplement Y c. Tactical Control and Routing of Merchant Vessels N d. All of the above are carried on board 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 2922: A long pole with a hook at one end, used to reach for lines, is known as a __________.
Y a. pike pole N b. jack staff N c. line rod N d. hooker 3076: The part of the anchor indicated by the letter K is the __________. (D038DG )
N a. crown Y b. ring N c. shank N d. bending shot 3480: When barge headlogs do not meet or are not even with one another, the void or opening between them is called a __________.
Y a. notch N b. hole N c. spacing N d. gap 3541: You have orders to load cargoes of carbon disulfide, diisopropylamine and pyridine on your multi-product tankship. Which statement is TRUE?
N a. Carbon disulfide may be carried in NOS. 1 and 2 center tanks and diisopropylamine in NOS. 1 and 2 wing tanks. N b. Pyridine and diisopropylamine may be carried in tanks having a common header vent. N c. Carbon disulfide must be separated from pyridine by two barriers (cofferdams, voids, empty tanks, etc.). Y d. A tank of pyridine may be used to separate a tank of carbon disulfide from a tank of diisopropylamine. 3652: You are lifting a one-ton weight with a swinging boom. When comparing the stresses in the rig with the boom at 20° to the horizontal to the stresses when the boom is at 60° to the horizontal, which statement is TRUE?
N a. The stress on the topping lift is greater at 60°. N b. The thrust on the boom is greater at 20°. N c. The stress on the heel block is less at 20°. Y d. The stress on the masthead fairlead for the topping lift is greater at 20°. 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. 4126: Which variable factor affects the initial lashing requirements aboard Ro-Ro vessels?
Y a. Number, position and angle of lashings N b. Vessel's draft N c. Port of origin N d. ABS requirements 4175: Which of the following is NOT necessary, prior to loading or discharging cargo on a Ro-Ro vessel?
N a. Turn on ventilation for cargo holds. N b. Lower the stern ramp. Y c. Turn on the red cargo light. N d. Raise/open the stern door. 4250: Which action(s) is/are included in crane operations?
N a. Pre-operation checks and start-up N b. Removing booms from stowage N c. Luff, slew, and hoist operations Y d. All of the above 4282: Which statement is TRUE concerning a tagline as used with a 30-ton pedestal crane?
N a. Taglines are wire rope purchases that raise and lower the jib. N b. Taglines can be fastened to the corners of the jib when lifting containers. Y c. The crane might not have taglines installed in its rigging system. N d. The taglines are wire rope purchases that raise and lower the topping lift.