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.
118: Damage to cargo caused by fumes or vapors from liquids, gases, or solids is known as __________.
N a. contamination N b. oxidation Y c. tainting N d. vaporization 162: Oil may NOT be transferred unless __________.
N a. there are two certificated tankermen on each vessel N b. the vessel is equipped with constant-tension winches Y c. discharge containment equipment (i.e. drip pans) are in place N d. All of the above 233: A vessel brought alongside should be fended off the towing vessel by __________.
N a. crew members using their arms N b. a boat hook Y c. fenders N d. No fending is necessary due to the rugged construction of most towing vessels. 236: As the propeller turns, voids are formed on the trailing and leading edges of the propeller blades causing a loss of propulsive efficiency, pitting of the blades, and vibration. These voids are known as __________.
N a. advance Y b. cavitation N c. edging N d. slip 268: When a deck cargo is secured with chain or wire lashings and grab (pear) links, which statement is FALSE?
Y a. The amount of take-up is limited by the length of the turnbuckle. N b. At the grab (pear) link, the slack end of chain should be led back and secured to the chain above the link. N c. The lashings should be inspected each day and any slack taken up. N d. The turnbuckle should be secured with a stick or lock nuts. 384: A "strongback" refers to a __________.
Y a. bar securing a cargo port N b. centerline vertical bulkhead N c. deep beam N d. spanner stay 408: What is the meaning of the term tare weight?
N a. Pounds of force necessary to damage a container N b. Total weight of a container and contents Y c. Weight of a container N d. Weight of the contents of a container 455: A vessel having continuous closely spaced transverse strength members is __________.
N a. longitudinally framed Y b. transversely framed N c. cellular framed N d. web framed 541: The official number of a documented vessel is __________.
N a. not required to be marked anywhere on the vessel Y b. required to be permanently marked on the vessel's structure N c. required to be painted on the vessel's stern N d. required to be painted on the vessel's bow 557: A report of casualty to a vessel must include __________.
N a. the estimated cost of damage N b. an evaluation of who was at fault N c. the amount of ballast on board Y d. the name of the owner or agent of the vessel 572: A vessel is entering port "A" for the first time 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?
N a. Nothing; The Pilot is required by law and is solely responsible for the safety of the vessel. N b. State his concerns to the Pilot but do not interfere with the handling of the vessel. N c. Direct the Pilot to stop the vessel and anchor if necessary until the situation clears. Y d. Recommend an alternative action and if not followed relieve the Pilot. 621: Which document shows details of a tank vessel, cargoes it may carry, manning and safety equipment required?
N a. Safety Construction Certificate N b. Cargo Gear Certificate Y c. Certificate of Inspection N d. Declaration of Inspection 657: Which space(s) is(are) deducted from gross tonnage to derive net tonnage?
N a. Companions and booby hatches N b. Open structures Y c. Spaces for the exclusive use of the officers or crew N d. Water ballast spaces 663: While towing astern, if your towing hawser becomes taut it results in __________.
N a. more catenary in the towing hawser Y b. less catenary in the towing hawser N c. more yaw N d. less yaw 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 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 743: A heavy steel curved arch constructed athwartships and above the after deck on a towing vessel is sometimes called a __________.
N a. towing arch N b. jockey bar N c. chafing bar Y d. Dutch tow bar 808: You are loading a cargo of cases into a hold which has a bale cubic of 44,000. The cargo consists of cases measuring 4 ft by 2 ft by 1.5 ft. Estimated broken stowage is 15%. What is the maximum number of cases which can be stowed in the hold?
N a. 3096 Y b. 3116 N c. 3136 N d. 3156 810: In nautical terminology a "dog" is a __________.
N a. crow bar Y b. device to force a water tight door against the frame N c. heavy steel beam N d. wedge 865: A nylon line is rated at 15,000 lbs. breaking strain. Using a safety factor of 5, what is the safe working load (SWL)?
Y a. 3,000 lbs N b. 5,000 lbs N c. 15,000 lbs N d. 65,000 lbs 884: When towing astern, each towline must meet all of these requirements, EXCEPT ___________ .
Y a. being suitable for use as soon as it is removed from its normal stowage location N b. having wire clips for other than a temporary repair N c. having the end either spliced with a thimble or fitted with a poured socket N d. being free of knots 954: In order to correctly open a new coil of manila line, you should __________.
N a. pull the tagged end from the top of the coil Y b. pull the tagged end through the eye of the coil N c. secure the outside end and unroll the coil N d. unreel the coil from a spool 996: With a following sea, a vessel will tend to __________.
N a. heave to N b. pound N c. reduce speed Y d. yaw 1031: Which certificate is NOT issued by the Coast Guard?
N a. Award of official number N b. Certificate of Inspection Y c. Classification of Hull and Machinery N d. Safety Equipment Certificate 1063: You have been pulled aloft in a bosun's chair rigged to a mast that you intend to paint. You are now supporting your weight by seizing the hauling part and the standing part of the gantline in one hand. Your next procedure in securing the bosun's chair is to __________.
N a. secure the tail of the standing part leading from the becket bend to the mast Y b. dip the bight of the hauling part around your back and up in front of you to form the hitch N c. take a strain on the hauling part by having it led to the gypsy head on a winch N d. secure the standing part of the gantline to the hauling part by taking turns of marlin and tying off 1099: To allow for the rise or fall in tide and for change in draft of a tankship during cargo transfer, cargo hoses must be suspended with __________.
N a. slings or saddles placed at 25-foot (8 meter) intervals Y b. enough slack in their bight N c. topping lifts and runners tied off to winches N d. All of the above 1125: The pivoting point of a vessel going ahead is __________.
Y a. about one-third of the vessel's length from the bow N b. about two-thirds of the vessel's length from the bow N c. at the hawsepipe N d. near the stern 1133: To properly rig the downhaul to your stage for lowering, you must __________.
N a. take only figure eights around the horns Y b. take 2 or 3 round turns around the stage and then belay the downhaul around the horns N c. take 2 round turns around the stage and then dip the third turn to form a clove hitch N d. pass the downhaul through the bridle formed by the standing part and then take round turns 1162: How does a vessel's rate of turn change when entering shallow water?
N a. It is faster. N b. It is slower. Y c. There is no change. N d. It remains constant for varying propeller revolutions. 1176: You have arrived at your anchorage location. You have put the engines astern prior to letting go the anchor. How will you know when the vessel has stopped over the ground?
N a. The ship's log reads zero N b. The backwash of the propeller reaches amidships Y c. An azimuth bearing on the beam remains steady N d. All of the above 1232: You have the "conn" at the time the helmsman who is steering by hand reports that the rudder is not responding to the wheel. Your FIRST action should be to __________.
N a. check that the wheel is firmly connected to the shaft N b. signal the engineroom to "Standby the Engines" N c. set the "Mode" switch to "Auto" and steer by auto-pilot Y d. switch to the other steering pump 1517: Which picture represents a timber hitch? (DO30DG )
Y a. E N b. F N c. N N d. U 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 1565: While in dry dock your vessel will be belt-gauged. This process involves __________.
N a. measuring the thickness of the tail shaft liner N b. taking the vessel's offsets to check for hull deformation N c. testing and examining the anchor cables for defective links Y d. drilling or sonic-testing the hull to determine the plate thickness 1574: Wire rope is galvanized to __________.
Y a. protect it from corrosion due to contact with saltwater N b. make it bend more easily N c. increase its strength N d. increase its circumference 1697: Using the graph shown, if the dry bulb temperature is 85°, and the wet bulb temperature is 73°, what is the relative humidity in a cargo hold? (D008DG )
N a. 42% Y b. 55% N c. 67% N d. 85% 1751: The load line certificate is issued by __________.
Y a. the American Bureau of Shipping N b. the National Cargo Bureau N c. the United States Coast Guard N d. United States Customs 1827: What is the volume in a cone with a base diameter of 8 feet and a height of 6 feet?
Y a. 100.53 Cu. Ft N b. 131.39 Cu. Ft N c. 172.72 Cu. Ft N d. 197.39 Cu. Ft 1894: A load line is assigned by __________.
N a. the U.S. Customs N b. the U.S. Department of Energy N c. the U.S. Army Corps of Engineers Y d. a recognized classification society approved by the U.S. Coast Guard 1944: The garboard strake is indicated by which letter? (D033DG )
N a. A N b. B N c. G Y d. H 2002: The structural member indicated by the letter K was fitted in segments between continuous longitudinals. It is known as which type of floor? (D033DG )
Y a. Intercostal N b. Open N c. Lightened N d. Non-watertight 2050: In illustration D044DG, the mooring line labeled "H" is called a(n) __________. (DO44DG )
N a. forward breast line N b. offshore spring line N c. onshore bow line Y d. offshore bow line 2121: Which statement concerning the lashings of containers with solid bar or wire rope lashings is TRUE?
Y a. Stack weights should be less when using a solid bar lashing as compared to a wire lashing. N b. Stack heights may be increased when using a solid bar lashing. N c. Stack heights should be reduced when using a solid bar lashing. N d. Solid bars should be used for lashing the first tier only, with wire lashings on the higher tier(s). 2194: What is the mechanical advantage of tackle number 6? (DO29DG )
Y a. 6 N b. 5.5 N c. 5 N d. 3 2207: After an explosion, repair of emergency machinery and services should be accomplished __________.
Y a. after control of fire, flooding, and structural repairs N b. immediately, before the emergency is under control N c. after control of fire, but before control of flooding N d. after stability is restored 2285: While writing in the logbook at the end of your watch, you make an error in writing an entry. What is the proper way of correcting this error?
N a. Remove this page of the log book and rewrite all entries on a clean page. N b. Carefully and neatly erase the entry and rewrite it correctly. N c. Blot out the error completely and rewrite the entry correctly. Y d. Cross out the error with a single line, write the correct entry, and initial it. 2351: What is the area of a circle with a diameter of 12 feet after a sector of 86° has been removed?
N a. 108.57 square ft. Y b. 86.08 square ft. N c. 28.65 square ft. N d. 27.14 square ft. 2478: A "contra-guide" is a type of __________.
N a. bow thruster N b. cargo gear N c. steering engine Y d. rudder 2714: The major components which determine the length of catenary in a deployed anchor cable are cable tension, cable weight, and __________.
N a. water density N b. bottom conditions N c. environmental forces Y d. water depth 2902: Which basic category of water level fluctuations on the Great Lakes is the most regular?
Y a. Seasonal fluctuations N b. Outflow fluctuations N c. Short-term fluctuations N d. Long-term fluctuations 3340: It is NOT advisable to use nylon for alongside towing because it __________.
Y a. stretches too much N b. is too difficult to make fast N c. parts too readily N d. is too susceptible to mildew 3411: When steering a vessel, a good helmsman does NOT __________.
N a. consider steering a vessel a highly responsible job N b. use as little rudder as possible to maintain course Y c. use as much rudder as possible to keep the vessel on course N d. advise his relief of the course being steered 3950: In general, an unreinforced vessel can safely navigate in ice provided the concentration does not exceed how many OKTAs?
N a. 1 Y b. 2 N c. 3 N d. 4 3960: The line with the most stretch is __________.
N a. manila Y b. nylon N c. polypropylene N d. dacron 4123: The lashings used on Ro-Ro vessels should be capable of withstanding the forces of __________.
N a. any force of gravity acting on the lashes N b. rolling N c. pitching Y d. All of the above 4210: Pedestal cranes have limit switches to restrict the movement of which function?
N a. Luff rate limits Y b. Slew travel limits N c. Swivel power limits N d. Slew rate limits 4227: Which of the following is/are the component(s) of a twin crane set as shown? (D047DG )
N a. Foundation assembly N b. Turntable assembly N c. Crane house assembly Y d. All of the above 4233: The 30 ton capacity pedestal cranes shown in the illustration can lift a maximum weight of how many tons when two cranes are married together in twin with the other pair of cranes at the opposite end of the hatch? (D051DG )
N a. 30 tons N b. 60 tons N c. 90 tons Y d. 120 tons 4235: What describes a twin crane lift?
N a. Single crane hoisting 30 tons Y b. Two cranes on a single pedestal hoisting 60 tons N c. Two sets of twin cranes hoisting 120 tons N d. All of the above 4262: Which statement(s) is/are TRUE concerning crane cargo operations?
N a. Do not exceed rated load capacity of crane and container spreader or slings. N b. During any cargo handling operation, the safety of personnel is paramount. N c. Cargo handlers must be outfitted with adequate protection from personal injury. Y d. All the above