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.
44: You are using an automatic tension winch by yourself. If you get caught in the turns of the line as they lead into the gypsyhead __________.
N a. the safety cutout will stop the winch before you're injured N b. the line will part and snap back Y c. you may be pulled into the winch and injured or killed N d. None of the above are correct 61: Deckhands onboard towing vessels shall be divided into 3 watches when on a trip exceeding __________.
Y a. 600 miles N b. 700 miles N c. 800 miles N d. 1000 miles 223: Who is responsible for providing urine specimen collection kits to be used following a serious marine incident?
N a. Qualified medical personnel Y b. The marine employer N c. The U.S. Coast Guard N d. The local police department 275: You have taken another vessel in tow. You can tell that the towing speed is too fast when the __________.
N a. vessels are not in step N b. tow line feels like it is "jumping" when touched Y c. catenary comes clear of the water N d. towed vessel goes "in irons" 286: Sidewise force of the propeller tends to throw a vessel's stern to the right or left, depending on rotation. This force is caused by __________.
N a. back current from the rudder N b. greater pressure on the right or left side of the propeller, depending on rotation N c. lower pressure on the right or left side of the propeller, depending on rotation Y d. torque from the velocity and angle at which the surrounding water impinges upon the propeller blades 357: What does the proof test load of an anchor chain demonstrate?
N a. Breaking strength of the chain Y b. Strength of the chain to a specified limit N c. Adequate holding power for new bottom conditions N d. Safe working load of the chain 580: Which statement is FALSE about using a wire bridle on an ocean tow?
N a. The inboard end of each bridle leg should have a large eye splice to fit over the bitts. Y b. The strength of each leg should be at least one-half that of the main towing hawser. N c. Each leg should be at least 60 to 90 feet long. N d. None of the above 603: To reduce the amount of catenary you may __________.
Y a. shorten the hawser or increase the tug's speed N b. lengthen the hawser or reduce the tug's speed N c. place your tug in irons N d. make a sharp turn 725: By law, a user of marijuana shall be subject to __________.
N a. loss of pay during the period of such use N b. reprimand by the US Coast Guard Y c. revocation of license or certificate N d. termination of employment 734: What is the computed breaking strength of a 4-inch manila line?
N a. 5,280 lbs. N b. 7,700 lbs. N c. 12,200 lbs. Y d. 14,400 lbs. 879: Centrifugal pumps have what advantage(s) over reciprocating pumps?
N a. They are less expensive. N b. They are smaller for equivalent pumping ability. N c. They pump more cargo in less time. Y d. All of the above 1001: Which is supplied to the vessel by the U.S. Coast Guard?
N a. Bell book N b. Cargo gear register Y c. Official Logbook N d. Rough Logbook 1007: When using the term "limber system" one is referring to a __________.
N a. cleaning system Y b. drainage system N c. strengthening system N d. weight reduction system 1116: On a single-screw vessel, when coming port side to a pier and being set off the pier, you should __________.
N a. swing wide and approach the pier so as to land starboard side to N b. approach the pier on a parallel course at reduced speed Y c. make your approach at a greater angle than in calm weather N d. point the vessel's head well up into the slip and decrease your speed 1246: When a tug is pulling on a hawser at right angles to the ship, and the pilot wants to come ahead or astern on the ship's engine, care must be taken that the pilot __________.
N a. does not break the towline Y b. does not get too much way on the vessel N c. keeps a steady course so the towline will remain tight N d. turns the ship toward the direction of pull 1261: A vessel operating "in class" has met all the requirements of the __________.
Y a. ABS or similar society N b. insurance company N c. U.S. Coast Guard N d. U.S. Customs 1376: Generally speaking, the most favorable bottom for anchoring is __________.
N a. very soft mud N b. rocky Y c. a mixture of mud and clay N d. loose sand 1436: How many feet are there in 2 shots of anchor chain?
N a. 50 N b. 60 Y c. 180 N d. 360 1444: If kinking results while wire rope is being coiled clockwise, you should __________.
N a. coil it counterclockwise N b. not coil it Y c. take a turn under N d. twist out the kinks under a strain 1506: The sprocket wheel in a windlass, used for heaving in the anchor, is called a __________.
N a. capstan N b. dog wheel N c. fairlead Y d. wildcat 1519: When snaking cargo into the wing of a hold with the cargo winch, the runner should be lead from the __________.
N a. head block to a snatch block Y b. heel block to a snatch block N c. lizard to a snatch block N d. winch to a snatch block 1578: A stream of water immediately surrounding a moving vessel's hull, flowing in the same direction as the vessel is known as __________.
N a. directional current N b. forward current N c. propeller current Y d. wake current 1611: On a transpacific voyage, you receive a message from your vessel's operators saying that your vessel has been consigned to Naval Control of Shipping. Further information is contained in __________.
Y a. Radio Aids to Navigation (PUB 117) N b. the Coast Pilot N c. the International Code of Signals (PUB 102) N d. the Light List 1614: Which bend or knot is used to tie a small line to a larger one?
Y a. Becket bend N b. Bowline N c. Clove hitch N d. Lark's head 1677: A vessel is entering port and has a Pilot conning the vessel. The Master is unsure that the Pilot is taking sufficient action to prevent a collision. What should the master do?
Y a. Recommend an alternative action and if not followed relieve the Pilot. N b. Nothing; the Pilot is required by law and is solely responsible for the safety of the vessel. N c. Direct the Pilot to stop the vessel and anchor if necessary until the situation clears. N d. State his concerns to the Pilot but do not interfere with the handling of the vessel. 1704: Whipping the bitter end of a fiber rope __________.
N a. increases the circumference of the rope N b. makes for easier handling Y c. prevents fraying of the bitter end N d. prevents moisture from entering the bitter end 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 1936: A "gypsy" or "gypsyhead" is a __________.
N a. punt used for painting over the side N b. small, reciprocating steam engine Y c. spool-shaped drum fitted on a winch N d. swinging derrick 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 1978: When towing, the least amount of tension will be on each bridle leg when the two legs __________.
N a. form a large angle with each other Y b. form a small angle with each other N c. are of unequal length N d. are joined by a fishplate 1980: What is the name of the mark indicated by the letter C? (DO03DG )
Y a. Fresh water line N b. Tropical water line N c. Summer water line N d. Winter North Atlantic water line 2013: A mooring line that checks forward motion of a vessel at a pier is a __________.
N a. bow line N b. forward bow line Y c. stern line N d. stern breast line 2030: Safety equipment on board vessels must be approved by the __________.
Y a. U.S. Coast Guard N b. Safety Standards Bureau N c. Occupational Safety and Health Administration (OSHA) N d. National Safety Council 2178: Segregation of cargoes refers to __________.
Y a. separating cargoes so that the inherent characteristics of one cannot damage the other N b. separating cargoes by destination N c. classifying cargoes according to their toxicity N d. listing the cargoes in order of their flammability 2198: You are conducting trials to determine the maneuvering characteristics of your vessel. While making a turn, you take ranges and bearings of an isolated light with the results as shown. Based on this information, what is the transfer for a turn of 90°? (D034DG )
N a. 355 yards Y b. 380 yards N c. 410 yards N d. 455 yards 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 2225: Which knot should be used to secure a line to a spar when the pull is perpendicular to the spar? (DO30DG )
N a. E Y b. F N c. N N d. P 2258: The knot lettered L in illustration DO30DG is a __________. (DO30DG )
N a. square knot Y b. double blackwall hitch N c. fisherman's bend N d. timber hitch 2258: The knot lettered L in illustration DO30DG is a __________. (DO30DG )
N a. square knot Y b. double blackwall hitch N c. fisherman's bend N d. timber hitch 2293: As defined in the regulations governing marine casualties a "marine employer" may be the __________.
N a. owner N b. agent N c. Master Y d. All of the above 2343: When securing a hook to the end of a wire rope you should use __________.
N a. a bowline knot N b. a long splice N c. an overhand knot with a wire rope clip Y d. wire rope clips with a thimble eye 2466: The pillar shape that gives the greatest strength for the least weight is the __________.
N a. octagonal pillar N b. "H" Beam pillar N c. "I" Beam pillar Y d. circular type pillar 2478: A "contra-guide" is a type of __________.
N a. bow thruster N b. cargo gear N c. steering engine Y d. rudder 2551: What welding pattern is NOT used to permanently attach a stiffener to a plate?
N a. Chain intermittent Y b. Tack N c. Continuous N d. Staggered intermittent 2808: Under the forces of its own weight, the suspended length of line will fall into a shape known as a __________.
N a. polygon N b. holding arc Y c. catenary curve N d. parabolic curve 2928: How should you signal the crane operator to raise the boom and lower the load?
N a. Extend arm with the palm down and hold this position rigidly. N b. Place both fists in front of your body with thumbs pointing toward each other. N c. Clasp hands in front of your body. Y d. Extend arm with the thumb pointing up, and flex the fingers in and out for as long as the load movement is desired. 2933: Your vessel is to dock bow first at a pier. Which line will be the most useful when maneuvering the vessel alongside the pier?
N a. Stern breast line Y b. Bow spring line N c. Bow breast line N d. Inshore head line 3016: To obtain better steering control when you are towing alongside, your vessel should be positioned with its __________.
N a. bow extending forward of the tow N b. stern amidships of the tow Y c. stern extending aft of the tow N d. bow even with the bow of the tow 3044: When you have a tow alongside, your stern should extend aft of the tow in order to __________.
N a. avoid obscuring your stern light N b. provide a better lead for your lines Y c. obtain better steering control N d. let the barge deflect floating objects from your propeller 3072: A Great Lakes bulk ore vessel would use an "Iron Deckhand" to assist in __________.
N a. unloading bulk cargo N b. steering the vessel N c. making the vessel fast to a dock Y d. removing hatch covers 3232: The signal man assisting the crane operator has his arm extended with the palm down and holds this position rigidly. This is the signal to __________.
N a. hoist N b. swing Y c. stop N d. lower 3410: When "checking down" a barge using a check line you should use __________.
N a. one round turn and at least two figure-eights around the timber heads N b. at least three figure-eights around the timber heads N c. a clove hitch around one timber head Y d. at least three round turns around one timber head 3431: A high cube container is designed specifically to __________.
Y a. carry low density cargoes N b. protect fragile cargoes N c. stow cargoes with concentrated weights such as machinery N d. carry cargoes of very low stowage factors 3560: What should look-outs report?
N a. Discolored water N b. Shoals N c. Floating objects Y d. All of the above 3840: You are lifting a one-ton weight with a swinging boom. When comparing the stresses on 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 thrust on the boom is greater at 20°. N b. The stress on the topping lift is greater at 60°. Y c. The stress on the heel block is less at 60°. N d. The change in angle of elevation has no effect on the stresses in the head block. 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 4050: You are on a 120,000 DWT loaded bulk carrier. When anchoring without the aid of tugs, your maximum speed should not exceed how many feet per second?
Y a. 0.5 (0.3 knot) N b. 1.0 (0.6 knot) N c. 1.3 (0.8 knot) N d. 1.75 (1.0 knot) 4106: Which of the following are considered to be "road vehicles" that can be carried on Ro-Ro vessels?
N a. Semi-trailer N b. Road train N c. Articulated road train Y d. All of the above 4186: How could lashing gear used aboard Ro-Ro vessels be stowed when not in use?
Y a. Drape along brackets N b. Leave in place while back loading cargo to save time N c. Hang vertically in the paint locker N d. All of the above 4188: The most important safety consideration during loading or discharge aboard a Ro-Ro vessel is __________.
N a. having all crewmembers and longshoremen wear hard hats Y b. the thorough ventilation of all cargo spaces N c. ensuring that visitors cannot come aboard N d. having the outboard anchor down