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.
75: Frames to which the tank top and bottom shell are fastened are called __________.
Y a. floors N b. intercostals N c. stringers N d. tank top supports 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 245: The fitting that allows a boom to move freely both vertically and laterally is called the __________.
N a. swivel N b. lizard N c. spider band Y d. gooseneck 319: Static electricity may be built up by the __________.
N a. flow of petroleum through pipes N b. spraying or splashing of petroleum N c. settling of solids or water in petroleum Y d. All of the above 573: An ocean towing bridle whose legs are of equal length, but too short, may __________.
Y a. fail to provide spring in the hawser N b. cause unequal distribution of the load to one leg N c. cause the bridle legs to jump clear of the chocks or fairleads N d. None of the above 593: To lead the towing hawser over the center of the stern when not under a strain you could __________.
N a. fairlead it through a stern roller chock N b. lead it through the Norman pins N c. hold it in the median position by a gob rope or lizard stopper Y d. All of the above when so equipped 630: You are doing a Williamson turn. Your vessel has swung about 60° from the original course heading. You should __________.
N a. put the rudder amidships and check the swing N b. stop the engines and prepare to maneuver to pick up the man in the water Y c. shift your rudder N d. increase to maximum speed 704: Laying out a line in successive circles flat on deck with the bitter end in the center is known as __________.
N a. coiling N b. faking Y c. flemishing N d. lining 781: The trim and stability booklet must be approved by the __________.
N a. International Maritime Organization N b. National Cargo Bureau N c. Society of Naval Architects and Marine Engineers Y d. United States Coast Guard 836: River currents tend to __________.
N a. pick up speed where the channel widens N b. run slower in the center of the channel N c. hug the inside of a bend Y d. cause the greatest depth of water to be along the outside of a bend 860: Which category of able seaman is not authorized to be counted as an able seaman on a seagoing tug of over 100 gross tons?
N a. Unlimited N b. Limited N c. Special Y d. Special (OSV) 928: Which of the signals listed is required to be displayed during the day while bunkering?
Y a. A red flag N b. A yellow flag N c. A red and yellow flag N d. A red light 984: To coil a right-laid rope, you should coil the line in __________.
Y a. a clockwise direction N b. a counterclockwise direction N c. alternating clockwise and counterclockwise directions N d. either a clockwise or counterclockwise directions 1108: In which casualty case is it UNNECESSARY to notify the local Coast Guard Marine Safety Office?
N a. A seaman is injured and in the hospital for four days. N b. Nylon mooring line parts while the vessel is tied up and kills a harbor worker who was on the pier. N c. Your vessel is backing from a dock and runs aground, but is pulled off by tugs in 30 minutes. Y d. Your vessel strikes a pier and does $1,500 damage to the pier but none to the vessel. 1211: When clearing a vessel for a foreign voyage, the original crew list is duly certified by proper authority. In a U.S. port, this authority is the U.S. __________.
N a. Coast Guard Y b. Customs N c. Immigration Service N d. Public Health Service 1276: When moored with a Mediterranean moor, the ship should be secured to the pier by having __________.
Y a. a stern line and two quarter lines crossing under the stern N b. a stern line, 2 bow lines, and 2 quarter lines leading aft to the pier N c. all regular lines leading to the pier in opposition to the anchor N d. two bow lines and two midship lines leading aft to the pier 1305: What is an advantage of the 6X19 class of wire rope over the 6X37 class of wire rope of the same diameter?
N a. Greater holding power N b. Better for towing N c. More resistance to elongation Y d. More resistance to corrosion 1371: Delivery of a vessel to a charterer is called __________.
N a. chartering N b. dispatching N c. fixing Y d. tendering 1374: Which type of stopper should be used to stop off wire rope?
Y a. Chain N b. Manila N c. Polypropylene N d. Wire 1393: Your vessel's operators send a message that your vessel has been consigned to Naval Control of Shipping. The message will refer you to __________.
N a. the Light List Y b. Radio Aids to Navigation (PUB 117) N c. the International Code of Signals (PUB 102) N d. the Coast Pilot 1401: A clause in the charter party requires a vessel's owner to pay dispatch money when the vessel __________.
N a. changes berths to expedite loading or discharging N b. does not load and discharge its cargo in the time specified N c. is not ready to load or discharge cargo Y d. loads and discharges its cargo in less time than specified 1420: Tensile stress is a result of two forces acting in __________.
Y a. opposite directions on the same line, tending to pull the material apart N b. opposite directions on the same line, tending to compress the object N c. opposite directions along parallel lines N d. the same direction along parallel lines 1420: Tensile stress is a result of two forces acting in __________.
Y a. opposite directions on the same line, tending to pull the material apart N b. opposite directions on the same line, tending to compress the object N c. opposite directions along parallel lines N d. the same direction along parallel lines 1452: The helm command "Check her" means __________.
N a. test the steering control N b. read the compass heading N c. stop the swing using hard over rudder Y d. slow the swing using moderate rudder 1503: Which knot should be used to send a man over the side when he may have to use both hands?
N a. Bowline Y b. French bowline N c. Bowline on a bight N d. Running bowline 1633: The strongest way to join the ends of two ropes is with a __________.
N a. back splice Y b. short splice N c. square knot N d. carrick bend 1672: You are to load a consignment of lumber. Each piece measures 2-inches thick, 10-inches wide and 16-feet long. There are 30,000 pieces in the shipment. How many board feet would be listed on the Bill of Lading?
Y a. 800,000 N b. 1,200,000 N c. 1,440,000 N d. 14,400,000 1773: What size block shell should be used with a 4-inch manila line?
N a. 8" Y b. 12" N c. 16" N d. 24" 1803: A snatch block is a __________.
N a. block used only with manila rope N b. chock roller Y c. hinged block N d. strong block used for short, sharp pulls 1819: The stringer plate is represented by which letter? (D033DG )
Y a. A N b. C N c. I N d. N 1854: The structural member indicated by the letter F is known as a(n) __________. (D033DG )
N a. erection Y b. pillar N c. girder N d. deck support 1862: How much force would be required to lift a weight of 200 lbs. using a gun tackle rigged to disadvantage (do not consider friction)?
N a. 50 lbs. Y b. 100 lbs. N c. 150 lbs. N d. 200 lbs. 1902: The joint indicated by letter D is a __________. (D033DG )
N a. seam Y b. butt N c. span N d. sheet line 1919: The disadvantage of using three strand nylon line for towing is its __________.
N a. inherent weakness N b. tendency to rot if left damp Y c. danger to crew if it parts N d. strength and shock absorbing abilities 1962: The maximum draft to which a vessel can legally be submerged is indicated by the __________.
Y a. load line mark N b. Certificate of Inspection N c. Muster List ("Station Bill") N d. tonnage mark 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 2020: To facilitate passing the end of a large rope through a block, you could use a __________.
N a. gantline N b. head line Y c. reeving line N d. sail line 2109: What is NOT an item that requires the vessel to be dry-docked?
N a. Inspection of tail shaft liner N b. Repacking and grinding of skin valves Y c. Verification of load line measurements N d. Belt gauging 2135: A load line certificate is valid for how many years?
N a. 1 N b. 2 N c. 3 Y d. 5 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 2224: When improperly tied, which knot shown is called a granny or thief's knot? (D030DG )
N a. F N b. M N c. R Y d. W 2227: You are using tackle number 4 in illustration DO29DG to lift a weight of 120 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. 20 lbs. N b. 30 lbs. Y c. 42 lbs. N d. 57 lbs. 2236: Another name for the garboard strake is the __________.
Y a. A strake N b. Z strake N c. side keel plate N d. stringer plate 2397: Determine the area of a triangle with a base of 6.7 feet and a height of 9.1 feet.
N a. 61.0 square ft. Y b. 30.5 square ft. N c. 22.9 square ft. N d. 15.8 square ft. 2398: How many tons of salt water can be loaded into a flat-ended cylindrical tank with a diameter of 4.5 feet and a length of 8 feet?
N a. 1.82 Y b. 3.64 N c. 7.27 N d. 14.54 2480: A Danforth lightweight anchor does NOT hold well in which type of bottom?
N a. Mud Y b. Grass N c. Sand N d. Clay 2504: A seaman may have all or part of his wages deposited by allotment to a bank or savings institution. Which of the following is NOT a requirement for this type of allotment?
Y a. The account must be either a checking or savings account. N b. The institution must be insured by the FSLIC or FDIC. N c. The account must be opened by the seaman and maintained in the seaman's name. N d. All of the above are requirements. 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 2712: Which two Great Lakes are considered hydraulically as one?
N a. Lakes Superior - Huron Y b. Lakes Michigan - Huron N c. Lakes Erie - St. Clair N d. Lakes Erie - Ontario 2732: Flanking rudders effect a vessel's heading because of the __________.
Y a. effect of the propeller flow on the rudders N b. water flow due to the vessel's movement through the water N c. tunnel affect of the water flow past opposing rudders N d. discharge current being channeled to impinge on the vessel's deadwood 2792: When relieving the helm, the new helmsman should find it handy to know the __________.
N a. variation in the area Y b. amount of helm carried for a steady course N c. leeway N d. deviation on that heading 3150: You are moving a gas free tank barge to dry dock for repairs. The barge must have onboard a valid __________.
N a. Gas Free Certificate Y b. Certificate of Inspection N c. Permit to Proceed and Hot Work Permit N d. All of the above 3166: The American Consul has asked the Master of a vessel bound for a port in the U.S. to transport a destitute seaman back to the U.S. Which action may the Master take?
N a. He must always take the seaman. N b. He is required to accept the seaman only if the seaman is medically unfit. Y c. He may refuse the seaman if the seaman has a contagious disease. N d. He may refuse to take the seaman if he is being held by shore authorities. 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 3239: Which term indicates the rise in height of the bottom plating from the plane of the base line?
Y a. Deadrise N b. Camber N c. Molded height N d. Sheer 3352: The signal man assisting the crane operator has his arm extended, his fingers closed, and his thumb pointing downward. This is the signal to __________.
N a. hoist the load N b. raise the boom Y c. lower the boom N d. lower the load 3486: When a two-leg sling is used to lift a load, a sling 40 feet long is better than one of 30 feet because the __________.
Y a. tension in the sling legs is less N b. load can be lifted higher N c. sling will be easier to attach N d. sling will be easier to remove 3562: The signal man assisting a crane operator has his arm extended with his fingers closed and thumb pointing upward. This is the signal to __________.
Y a. raise the boom N b. raise the hook N c. raise the boom and hook N d. check the boom stop 4032: The pivot pin at the base of a sheath-screw boom davit must be __________.
N a. inserted each time before the booms are cranked out Y b. periodically removed for inspection and lubricated N c. replaced at each inspection for certification N d. in the locked position after the boat is cradled and griped down 4156: Which element(s) should be taken into account in the preparation of the "Cargo Securing Manual"?
N a. Weight of the vehicles N b. Geographical area of the voyage N c. Dynamic forces under adverse weather conditions Y d. All of the above