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.
16: When underway and proceeding ahead, as the speed increases, the pivot point tends to __________.
N a. move aft Y b. move forward N c. move lower N d. remain stationary 51: You are the licensed Master of a 100 GT towing vessel sailing coastwise. What percentage of the deck crew must be able to understand any order spoken by the officers?
N a. 50% N b. 65% Y c. 75% N d. 100% 60: You are on a vessel designed to carry compressed gasses in bulk with a cargo of butadiene. Which statement is TRUE?
N a. The ullage must be padded with compressed air at a minimum pressure of 2 psig. Y b. Silver and copper are prohibited in the parts of valves and fittings in contact with the cargo. N c. The cargo tank may be sampled only when the tank is being filled. N d. The shipping document must specify the exact quantity of butadiene being carried. 282: The owner, agent, Master or person-in-charge of a "T-Boat" involved in a marine casualty causing injury that requires professional medical treatment must __________.
N a. immediately notify the nearest USCG MSO, MIO, or Group Office N b. keep all voyage records and make them available to Coast Guard investigators N c. file a written report (CG2692) of the casualty within five days 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 551: The name and hailing port of a documented commercial vessel is __________.
N a. not required to be marked anywhere on the vessel N b. required to be marked on both bows and on the keel Y c. required to be marked on the stern with the name of the vessel marked on both bows N d. required to be marked on the keel, stern, and both bows 563: While the Pilot is maneuvering the vessel to a dock, what is the PRIMARY responsibility of the watch officer?
N a. Supervise the signaling and flag etiquette. N b. Record the bells and their times in the bell book. Y c. Insure that helm and throttle orders given by the Pilot are correctly executed. N d. Judge the appropriateness of the Pilot's orders and countermand them if necessary. 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 728: How many board feet of dunnage are in a draft 4 feet wide, 1-1/2 feet high and 13 feet long?
N a. 84 N b. 756 Y c. 936 N d. 1021 887: The condition of a towline must be monitored by ______________ .
N a. keeping record of the towline's initial minimum breaking strength N b. keeping record of each retest of the towline's minimum breaking strength N c. conducting routine visual inspections of the towline Y d. All of the above 940: When selecting the fuel oil tanks for the "burn-out" of bunkers during a voyage consideration of all of the following must be taken with the EXCEPTION of __________.
Y a. flashpoint N b. stability N c. trim N d. list 1010: When the longitudinal strength members of a vessel are continuous and closely spaced, the vessel is __________.
N a. transversely framed Y b. longitudinally framed N c. intermittently framed N d. web framed 1030: If an attempt is made to hoist a load that exceeds the capacity of an electric winch, an overload safety device causes a circuit breaker to cut off the current to the winch motor __________.
N a. when the line pull reaches the rated winch capacity Y b. after the line pull exceeds the rated winch capacity N c. after a short build-up of torque N d. immediately 1288: A document used to indicate suspected cargo damage caused by rough weather would be the __________.
N a. cargo report N b. hull damage report Y c. Master's Note of Protest N d. Unseaworthy Certificate 1497: Which of the pictures in illustration DO30DG represents a round turn and two half hitches? (DO30DG )
N a. E Y b. F N c. Q N d. S 1497: Which of the pictures in illustration DO30DG represents a round turn and two half hitches? (DO30DG )
N a. E Y b. F N c. Q N d. S 1556: When anchoring, good practice requires 5 to 7 fathoms of chain for each fathom of depth. In deep water you should use __________.
N a. the same ratio N b. more chain for each fathom of depth Y c. less chain for each fathom of depth N d. two anchors with the same ratio of chain 1564: What is the main reason to slush a wire rope?
N a. Keep the wire soft and manageable Y b. Lubricate the inner wires and prevent wear N c. Prevent kinking N d. Prevent rotting 1589: Why is 6X19 class wire rope more commonly used for cargo runners than the more flexible 6X37 wire rope?
Y a. It resists abrasion better. N b. It is longer. N c. It hugs the winch drum better. N d. It is less expensive. 1647: Under Naval Control of Shipping who is responsible for routing and diverting ships and convoys?
N a. The Maritime Defense Zone Sector Y b. The Operational Control Authority N c. The National Shipping Authority N d. Any Navy Command 1702: Your containership has a container displaying a hazardous cargo placard. The placard has the number 2282 on it. This indicates that it is carrying what cargo?
N a. Isoheptene N b. Phosphine N c. Furan Y d. Hexanols 1795: Which knot represents a double sheet bend? (DO30DG )
N a. F N b. L Y c. R N d. T 1821: While towing, what is the principal danger in attempting to swing a barge on a short hawser in order to slow the barge's speed?
N a. The barge may capsize from the sharp turn. Y b. The barge may swing too quickly and run over the tug. N c. Free surface effect of liquid inside the barge may rupture the barge bulkheads when turning too quickly. N d. Dangerous wakes may result from the swinging barge and capsize the tug. 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 1989: If you were to pass a stopper on a wire rope, what should the stopper be made of?
N a. Wire N b. Manila N c. Nylon Y d. Chain 2005: A block that can be opened at the hook or shackle end to receive a bight of the line is a __________.
N a. bight block N b. gin block N c. heel block Y d. snatch block 2022: In determining the scope of cable to be used when anchoring, what would NOT be considered?
N a. Depth of the water N b. Character of the holding ground Y c. maintenance cost for the chain N d. Type of anchor cable 2035: A seaman signed on articles on 16 January 1987 and signed off on 2 March 1987. How should you enter this under the Time of Service column in the articles?
N a. 1 Month 18 Days N b. 1 Month 16 Days N c. 2 Months Y d. 46 Days 2069: A "spring line" is a __________.
N a. mooring line made of spring lay wire rope Y b. mooring line running diagonally to the keel N c. mooring line parallel to the keel N d. wire rope used for securing an anchor buoy 2120: Wale shores would be used when dry docking a vessel with __________.
N a. tumble home Y b. excessive deadrise N c. excessive trim N d. a list 2155: A case received for shipment has the markings shown. Each carton measures 13" X 15" X 23". What is the total cubic capacity the entire consignment will occupy if you assume 10% broken stowage? (D043DG )
N a. 779 cubic feet (22 cubic meters) Y b. 857 cubic feet (24 cubic meters) N c. 1047 cubic feet (30 cubic meters) N d. 112,125 cubic feet (3173 cubic meters) 2192: The part of a windlass which physically engages the chain during hauling or paying out is the __________.
N a. devil's claw N b. bull gear Y c. wildcat N d. cat head 2201: When referring to dry bulk cargoes, the term "flow state" __________.
N a. designates the state of a commodity when the ship is heeled past the angle of repose N b. relates to the suitability of loading a cargo by flowing down inclined chutes Y c. refers to the saturation of a dry bulk product with water to the point where it acts as a liquid N d. relates to the minimum granule size of a particular product where it will flow like a liquid at an angle of 30° 2229: You are using tackle number 5 to lift a weight. The hauling part of this tackle is bent to the weight hook of tackle number 9. What is the mechanical advantage of this rig? (DO29DG )
Y a. 20 N b. 9 N c. 5 N d. 4 2241: The letter M indicates a(n) __________. (D033DG )
Y a. web frame N b. intercostal N c. stringer N d. cant frame 2263: You are using tackle number 1 in illustration DO29DG to lift a weight of 100 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. 50 lbs. N b. 55 lbs. N c. 100 lbs. Y d. 110 lbs. 2469: While cranking out a quadrantal davit, slippage of the quadrant due to excessive wear or failure of the teeth in the quadrant will cause the __________.
Y a. davit arm to pivot on the traveling nut and the head to fall outboard N b. traveling nut to lock up in place on the worm gear N c. limit switch to engage and hold the traveling nut in position N d. winch brake to lock in position and prevent lowering the boat 2486: Which weld fault can only be detected by a method that examines the internal structure of a weld?
N a. Undercut N b. Lack of reinforcement N c. Overlap Y d. Lack of penetration 2492: When a tug makes up to a large vessel, the spring line should lead from the forwardmost part of the tug so that __________.
N a. friction on the spring line is minimized N b. the length of the spring line is minimized N c. the head line and spring line can be worked simultaneously Y d. the tug can pivot freely 2662: What will NOT increase friction of a liquid flowing in a pipe and cause a loss of suction head?
N a. Bends in the piping Y b. Slowing the pumping rate N c. Pipeline valves N d. Backing rings for pipe welds 2789: Your vessel is approaching the International Bridge on the St. Marys River. If the gage on the bridge, read from top to bottom, indicates 124 ft. and the IGLD (1955) is 600 ft., determine the actual vertical clearances between the existing water level and the lowest point of the bridge over the channel.
Y a. 124 feet N b. 476 feet N c. 724 feet N d. 840 feet 2932: Which type of rudder may lose its effectiveness at angles of 10 or more degrees?
N a. Contra-guide Y b. Balanced spade N c. Unbalanced N d. Flat plate 2988: You are mooring to a buoy. You should approach the buoy with the current from __________.
Y a. ahead N b. broad on the bow N c. abeam N d. astern 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 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 3026: Which type of fog is the most dense and widely spread of those that occur on the Great Lakes?
N a. Steam fog Y b. Advection fog N c. Radiation fog N d. Lake effect fog 3068: While loading a cargo of grain, your vessel develops a list to starboard. This will be corrected by __________.
N a. the compensating tanks on the high side Y b. the list man changing the discharge location of the chutes N c. allowing the grain to level itself as the hold fills to the spar deck level N d. trimming the final loading cone by hand 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 3091: Towlines should be inspected for chafing where the towline __________.
N a. passes over the stern of the towing vessel N b. passes through chocks N c. is attached to the disabled vessel Y d. All of the above 3173: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated FLASH will be delivered within __________.
N a. 3 hours to start of business the following day N b. 1 to 6 hours Y c. 10 minutes if possible N d. 30 minutes to 1 hour 3204: What term indicates the immersed body of the vessel forward of the parallel mid-body?
N a. Run N b. Flare Y c. Entrance N d. Sheer 3360: On a light tow, what could you substitute for a fishplate?
Y a. heart-shaped shackle N b. pelican hook N c. swivel N d. ring 3392: What term indicates the midships portion of a vessel that has a constant cross section?
N a. Half length N b. Amidships Y c. Middle body N d. Molded length 3519: Strengthening damaged bulkheads by using wood or steel is called __________.
N a. bracing N b. battening N c. blocking Y d. shoring 3600: A helmsman receives the command "Right 15 degrees rudder." The helmsman's IMMEDIATE reply should be __________.
N a. "Aye Aye Sir" Y b. "Right 15 degrees rudder" N c. "Rudder is right 15 degrees" N d. No reply is necessary, just carry out the order 3644: You are drifting in a locale where there is no current. As a rule, your vessel 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 4034: The signal man assisting the crane operator has his arm extended downwards, forefinger pointing down, and moves his hand in small horizontal circles. This is the signal to __________.
Y a. lower N b. swing N c. hoist N d. extend 4090: The BEST holding ground for conventional anchors is_____.
N a. very soft mud Y b. hard mud N c. shale N d. rock 4105: Cargo that is suitable for carriage on Ro-Ro vessels includes __________.
N a. trailers N b. rolling vehicles N c. containers Y d. All of the above 4146: Which of the following tensioning devices is used with webbing to secure light vehicles aboard Ro-Ro vessels?
N a. Chain lever Y b. Buckle tensioner N c. Adjust-a-matic tensioner N d. Turnbuckle