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.
25: The turning circle of a vessel making a turn over 360 degrees is the path followed by the __________.
Y a. center of gravity N b. bow N c. bridge N d. centerline 43: In illustration D044DG, the mooring line labeled "D" is called a(n) __________. (DO44DG )
Y a. after spring line N b. forward spring line N c. waist breast line N d. stern line 119: Sour crude oil __________.
Y a. contains high quantities of hydrogen sulfide N b. is diluted with other products for carriage N c. is lighter than other crudes N d. is less hazardous to load than other crudes 144: The lookout sights a vessel dead ahead. This should be reported on the bell with __________.
N a. one bell N b. two bells Y c. three bells N d. four bells 177: The measurement of the amount of force a towing vessel is capable of applying to a motionless tow is called __________.
N a. shaft horsepower N b. delivered horsepower Y c. bollard pull N d. towrope pull 225: For safety reasons, when assistance towing __________.
N a. the disabled vessel should be towed to the nearest port N b. the disabled vessel should be inspected for flammable gases N c. passengers should always be removed from the disabled vessel Y d. personnel on the disabled vessel should don PFD's 234: The helm command "shift your rudder" means __________.
N a. double your rudder angle or go to full rudder N b. bring your rudder amidships Y c. change from right rudder to left rudder, or vice versa, an equal number of degrees N d. check the swing of the vessel 290: What is NOT a form used by ice support services to disseminate information?
N a. Ice Analyses N b. Ice Forecasts N c. Ice Outlooks Y d. Ice Bulletins 310: Operators of Uninspected Passenger Vessels are required to keep their Coast Guard License aboard __________.
N a. only when operating more than one mile from shore N b. only when operating at night Y c. only when carrying passengers for hire N d. At all times 441: The document which shows a vessel's nationality, ownership, and tonnage is the __________.
N a. Manifest Certificate N b. Bill of Lading Certificate Y c. Certificate of Documentation N d. Official Logbook 464: The static bollard pull of a tug is measured in tons and consists of the brake horsepower of the tug's engine divided by 100 and multiplied by a factor of __________.
N a. 0.5 Y b. 1.3 N c. 3 N d. 10 510: You have loaded dangerous cargo on your vessel and must fill out a Dangerous Cargo Manifest. In which publication would you find the requirements to complete this form?
N a. 33 CFR - Navigation and Navigable Waters Y b. 46 CFR - Shipping N c. IMCO - Intergovernmental Maritime Consultative Organization N d. IMDG - International Maritime Dangerous Goods 512: When paying out nylon line from around the bitts __________.
Y a. stand clear of the bitts and use two or more round turns under your figure eights N b. you can surge the line even with a single turn N c. no extra turns are necessary since nylon has a high coefficient of friction N d. stand in the bight of the line 589: The terminal indicates to you that they are going to use a booster pump to assist the discharging operation. You start the discharge and in a few minutes the pressure drops sharply. This could be a result of the __________.
Y a. booster pump coming on the line and discharging properly N b. booster pump failing to start N c. ship's pump speeding up N d. booster pump being lined up in the wrong direction 816: Water may boil up around the stern of a vessel in a channel due to __________.
N a. slack water when upbound Y b. shallow water N c. a cross current N d. a head current 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 892: On a shallow water tow, the catenary of the towline should be __________.
N a. large Y b. small N c. eliminated N d. adjusted frequently 972: The "rudder adjustment" control on an autopilot steering stand is used to __________.
N a. align the rudder angle indicator with the true rudder angle Y b. set the number of degrees of rudder per degree of course error N c. set the departure from base course before actuating the rudder N d. set the rate at which the rudder responds 995: The maneuver which will return your vessel in the shortest time to a person who has fallen overboard is __________.
Y a. a single turn with hard rudder N b. engine(s) crash astern, no turn N c. a Williamson Turn N d. two 180° turns 1144: Which rope has the greatest breaking strength?
N a. Manila Y b. Nylon N c. Polyethylene N d. Polypropylene 1154: Which line would be least likely to kink?
Y a. Braided N b. Left-handed laid N c. Right-handed laid N d. Straight laid 1290: What is NOT an advantage of double bottom ships?
N a. The tank top forms a second skin for the vessel. N b. The center of gravity of a loaded bulk cargo ship may be raised to produce a more comfortable roll. N c. The floors and longitudinals distribute the upward push of the water on the ship's bottom. Y d. They are less expensive to construct because of increased access space. 1367: Under the Carriage of Goods by Sea Act of 1936, a vessel will be liable for damage to cargo when the damage arises out of __________.
N a. poor stowage of cargo in a container N b. fire caused by lightning Y c. overloading N d. inherent vice 1445: What is an example of a fundamental objective of cargo stowage?
N a. Load so the trim does not exceed 3 feet by the stern. N b. Make maximum use of existing dunnage. N c. Separate wet and dry cargoes into separate holds. Y d. Prevent overcarriage by block stowage. 1467: The type of carrier required to file a copy of freight tariffs would be the __________.
Y a. common carrier N b. tramp N c. public vessel N d. bulk carrier 1475: As shown, the mooring line labeled "G" is called a(n) __________. (DO44DG )
N a. forward spring line N b. offshore bow line N c. forward breast line Y d. inshore bow line 1510: The type of welding employed in shipyards is primarily __________.
N a. brazing Y b. electric arc N c. pressure welding N d. thermite welding 1524: A mooring line is described as being 6x24, 1-3/4 inch wire rope. What do the above numbers refer to?
N a. Strands, yarns, circumference Y b. Strands, wires, diameter N c. Wires, yarns, diameter N d. Strands, circumference, wires 1553: The correct way to make an eye in a wire rope with clips is to place the clips with the __________.
N a. first and third U-bolts on the bitter end and the second U-bolt on the standing part N b. first and third U-bolts on the standing part and the second U-bolt on the bitter end Y c. U-bolts of all clips on the bitter end N d. U-bolts of all clips on the standing part 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 1662: Under defense plans, operation of electronic aids to navigation may be temporarily suspended with __________.
N a. one day's notice N b. thirty (30) days notice Y c. no notice N d. a week's notice 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. 1845: You are proceeding under NCS (Naval Control of Shipping) and wish to send a message concerning an initial enemy contact. Which precedence would you assign this message?
N a. O (IMMEDIATE) N b. P (PRIORITY) Y c. Z (FLASH) N d. R (ROUTINE) 1863: If a mooring line should part while you are tying up at a dock, you should make a temporary eye by tying a __________.
N a. becket bend N b. clove hitch Y c. bowline N d. square knot 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. 1926: How many tons of salt water can be loaded into a flat-ended cylindrical tank with a diameter of 5 feet and a length of 12 feet?
Y a. 6.73 T N b. 7.85 T N c. 13.46 T N d. 26.93 T 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. 1959: A vessel is involved in a casualty. The cost of property damage includes the __________.
N a. damage claims awarded to individuals or companies involved in the casualty, up to a maximum of $50,000 N b. loss of revenue while the vessel is being repaired, up to a maximum of $50,000 Y c. cost of labor and material to restore the vessel to the service condition which existed before the casualty N d. All of the above 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 1983: When a line is subject to wear where it passes through a mooring chock, it should be __________.
N a. wormed, parceled, and served N b. wrapped with heavy tape Y c. wrapped with chafing gear N d. wrapped in leather 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 2086: What is the mechanical advantage of tackle number 11? (DO29DG )
N a. 7 Y b. 6 N c. 5.5 N d. 5 2169: What is the mechanical advantage of tackle number 8? (DO29DG )
Y a. 3 N b. 1.5 N c. 1 N d. 0.5 2223: What is the mechanical advantage of tackle number 3? (DO29DG )
N a. 1 N b. 2 Y c. 3 N d. 4 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 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 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. 2479: Which type of weld testing can be used to detect internal flaws?
N a. Magnetic particle N b. Dye penetrant Y c. Ultrasonic N d. Chemical reaction 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 2539: The distance between rivets in a row is known as the __________.
N a. arm Y b. pitch N c. gage N d. rivet distance 2560: The tankship Northland is loaded as shown. Use the salmon colored pages in the Stability Data Reference Book to determine the hogging numeral. (Get Table Data)
N a. 101.02 numeral N b. 91.36 numeral N c. 72.43 numeral Y d. 52.79 numeral 2589: The angle at which the anchor flukes penetrate the soil is the __________.
N a. burial angle N b. penetration angle Y c. fluke angle N d. holding angle 2684: Which statement about bilge keels is CORRECT?
N a. They are critical strength members and require careful design consideration. Y b. They increase resistance to rolling. N c. They attach to a low stress area. N d. They provide support when the vessel is dry docked. 2892: What is LEAST likely to be used to strip a cargo tank?
Y a. Centrifugal pump N b. Eductor N c. Rotary pump N d. Reciprocating pump 3009: While loading cargo, a white trimming light on the starboard side comes on. This indicates that __________.
Y a. the vessel has a list of about 1` to starboard N b. the chutes should be directed to the starboard side N c. the chutes in No. 1 hold should be directed to the starboard side N d. a severe list to starboard has developed and all loading should cease 3066: A list man would expect to see any of the following light signals EXCEPT __________.
N a. two red lights N b. one green light N c. one white light Y d. one amber light 3250: You are 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. N b. Wait one week and submit form GG-2692 to the nearest Coast Guard Marine Safety or Inspection Office. Y c. Immediately notify the nearest Coast Guard Marine Safety or Inspection Office and no further action is necessary. N d. Immediately notify the nearest Coast Guard Marine Safety or Inspection Office and then submit form CG-2692. 3691: On the cargo manifest, the gross weight of a box containing cargo is the weight of the __________.
N a. cargo N b. box Y c. cargo and box N d. rate weight 3820: When making a Scharnow turn, the __________.
N a. rudder must be put over towards the side the man went over N b. initial turn direction is away from the side the man went over Y c. rudder is put hard over and the initial turn is maintained until about 240° from the original course N d. man overboard must be not more than 300 feet astern when starting the turn 4442: Insulating flanges minimize the dangers arising from __________.
N a. smoking on deck N b. loading asphalt Y c. accumulations of electrostatic charges N d. tank over-pressurization