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 34: Your vessel has been loaded in a sagging condition. Enroute you encounter heavy weather and notice buckling in the midships deck plating of your vessel. To relieve the strain you could __________.
N a. pump fuel oil from midships to the ends of the vessel N b. reduce speed N c. take a course which most eases the vessel Y d. All of the above 106: In relation to the turning circle of a ship, the term "kick" means the distance __________.
N a. around the circumference of the turning circle N b. gained at right angles to the original course N c. gained in the direction of the original course Y d. or throw of a vessel's stern from her line of advance upon putting the helm hard over 150: Protective clothing must be worn while sampling hazardous cargo on a tankship, and as a minimum includes __________.
N a. a hood or hard hat Y b. a face mask or goggles N c. boots N d. chemical resistant gloves 199: What is a cofferdam?
N a. Tube fitted to an ullage hole N b. Area the product is loaded into Y c. Void or empty space separating two tanks N d. Opening in the deck used for cleaning a tank 305: What is considered a Serious Marine Incident?
N a. an allision that results in $500 damage to a boat dock Y b. an injury to a crewmember, passenger, or other person which requires professional medical treatment beyond first aid N c. grounding of a vessel on a sandbar that does not result in injuries and/or any damage to the vessel N d. None of the above 360: The label required on containers carrying barium oxide in an international shipment must read __________.
Y a. "Poison" N b. "Spontaneously Combustible" N c. "Radioactive" N d. "Infectious Substance" 371: In the United States, the load line markings are set by the __________.
Y a. American Bureau of Shipping N b. Coast Guard N c. Federal Maritime Board N d. IMO 378: In preparation for receiving chilled reefer cargo, the reefer space has been precooled for over twenty-four hours. Loading may begin when the space has been cooled to a temperature between __________.
N a. -10°F (-23°C) and +10°F (-12°C) N b. 12°F (-11°C) and 20°F (-7°C) Y c. 28°F (-2°C) and 40°F ( 4°C) N d. 42°F (6°C) and 55°F (13°C) 378: In preparation for receiving chilled reefer cargo, the reefer space has been precooled for over twenty-four hours. Loading may begin when the space has been cooled to a temperature between __________.
N a. -10°F (-23°C) and +10°F (-12°C) N b. 12°F (-11°C) and 20°F (-7°C) Y c. 28°F (-2°C) and 40°F ( 4°C) N d. 42°F (6°C) and 55°F (13°C) 444: A metal object on the pier resembling a tree stump and made to receive mooring lines is a __________.
N a. bight Y b. bollard N c. chock N d. camel 588: Because of the arrangement of the cell guides, the MOST important factor while loading containers is the __________.
N a. contents of the container Y b. list of the vessel N c. size of the shoreside crane N d. weight of the container 599: When stripping a tank, excessive air in the suction line may cause __________.
N a. an over pressurized line N b. back pressure Y c. loss of suction N d. increase of suction 674: Stuffer-braid rope has __________.
Y a. a yarn core N b. no core N c. three strands N d. 12 threads 763: A vessel that tows astern must have a/an ___________ .
N a. towing winch Y b. method to easily release the towline N c. oxy-acetylene cutting torch N d. ax or knife mounted near the towing bitts 859: To insure proper seating when closing a valve on a tank, the valve should be __________.
N a. closed against the stop and the locking pin inserted Y b. closed, opened a half turn, and then closed again N c. set up as tight as possible by hand N d. set up tight using a valve wrench 919: A deepwell pump is a type of __________.
N a. screw pump Y b. centrifugal pump N c. eductor N d. gear pump 934: Which method is used to detect rot in manila lines?
Y a. Opening the strands and examining the inner fibers N b. Measuring the reduction in circumference of the line N c. Observing for the appearance of mildew on the outer surface N d. Feeling the surface of the line for broken fibers 952: You have orders to load cargoes of carbon disulfide, diisopropylamine and pyridine on your multi-product tankship. Which statement is TRUE?
N a. Carbon disulfide may be carried in NOS. 1 and 2 center tanks and diisopropylamine in NOS. 1 and 2 wing tanks. N b. Pyridine and diisopropylamine may be carried in tanks having a common header vent. Y c. Pyridine need not be separated from carbon disulfide by two barriers (cofferdams, voids, empty tanks, etc.). N d. A tank of carbon disulfide may be used to separate a tank of pyridine from a tank of diisopropylamine. 962: You are the person in charge of a 199-GT uninspected towing vessel engaged in towing from New York to Mexico and then returning, a distance in excess of 600 miles. Which statement is FALSE?
Y a. The crew members are required to sign articles. N b. All deck crew members are to have a Merchant Mariner's Document. N c. Able seamen are required in the deck crew. N d. The sailors shall be divided into three watches. 970: What is the difference between net tonnage and gross tonnage?
Y a. Net tonnage is the gross tonnage less certain deductions for machinery and other areas. N b. Net tonnage is tonnage of cargo compared to tonnage of whole ship. N c. Net tonnage is the net weight of the ship. N d. There is no difference. 998: When steering on autopilot which of the following input conditions may NOT have an effect on the control of the steering gear?
Y a. Non-followup N b. Rudder adjustment N c. Weather adjustment N d. All the above may be activated 1102: In illustration D044DG, the mooring line labeled "B" is called a(n) __________. (DO44DG )
N a. after breast line N b. after spring line Y c. inshore stern line N d. offshore stern line 1106: A vessel is underway with a work stage rigged over the side. A seaman may work on the stage, but only when __________.
N a. wearing a life jacket N b. wearing a safety harness secured to the stage N c. wearing both a life jacket and a safety harness secured to the stage Y d. the vessel is not making way 1159: Which product is most likely to accumulate static electricity?
N a. Crude oil N b. Hard asphalt Y c. Lubricating oil N d. Residual fuel oil 1167: A vessel will "squat" when it proceeds underway __________.
N a. only in deep water N b. only in shallow water Y c. in all depths of water N d. only in narrow channels 1213: What minimum size manila line is required to hold a weight of 932 pounds, if you use a safety factor of six?
N a. 2.0" Y b. 2.5" N c. 3.0" N d. 3.5" 1326: After casting off moorings at a mooring buoy in calm weather, you should __________.
N a. go full ahead on the engine(s) Y b. back away a few lengths to clear the buoy and then go ahead on the engines N c. go half ahead on the engines and put the rudder hard right N d. go half ahead on the engines and pass upstream of the buoy 1389: A band or collar on the top end of a boom to which the topping lift, midships guy, and outboard guys are secured, is called the __________.
N a. collar band N b. guy band N c. pad eye collar Y d. spider band 1499: In illustration D044DG, the mooring line labeled "E" is called a(n) __________. (DO44DG )
N a. bow line N b. forward breast line N c. after spring line Y d. bow spring line 1515: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated ROUTINE will be delivered within __________.
N a. 30 minutes to 1 hour N b. 1 to 6 hours Y c. 3 hours to start of business the following day N d. 10 minutes if possible 1636: When anchoring a vessel under normal conditions, which scope of chain is recommended?
N a. Four times the depth of water N b. Two and one-half times the depth of water Y c. Five to seven times the depth of water N d. Fifteen times the depth of water 1667: When the gyro-pilot is used for steering, what control is adjusted to compensate for varying sea conditions?
N a. Rudder control N b. Sea control N c. Lost motion adjustment Y d. Weather adjustment 1838: You are docking a vessel. If possible, you should __________.
N a. go in with the current Y b. go in against the current N c. approach the dock at a 90° angle and swing to N d. pass a mooring line to the dock with a heaving line and let the crew pull the vessel in 2100: The primary purpose of a load line is to establish required __________.
Y a. minimum freeboard N b. GM N c. transverse stability N d. fresh water allowances 2114: All handling and stowage of packaged hazardous materials on board a domestic vessel engaged in foreign trade shall be done under the supervision of __________.
N a. a U.S. Coast Guard Marine Inspector Y b. an officer assigned to the vessel N c. the American Bureau of Shipping N d. the National Cargo Bureau 2154: A vessel has a charter party for one voyage to carry a full load of manganese from Durban, South Africa, to Baltimore, Maryland, at a stipulated rate per ton. Which type of contract is involved?
N a. Bareboat charter party Y b. Voyage charter party N c. Demise charter party N d. Time charter party 2348: You are on a multiple-product chemical tanker and will carry cargoes of allyl alcohol, benzene, and propanolamine. Which of the following is true?
N a. All of these cargoes are mutually compatible. N b. Benzene may not be carried in a tank adjacent to either of the other two cargoes. Y c. Allyl alcohol is incompatible with propanolamine but both are compatible with benzene. N d. Propanolamine is compatible with allyl alcohol but must be segregated from benzene. 2353: Which mooring line prevents sideways motion of a vessel moored to a pier?
N a. A line led forward from the bow N b. A line led aft from the bow N c. A line led in the same direction as the keel Y d. A line led at a right angle to the keel 2472: A "liner" in riveted construction of a vessel is a(n) __________.
Y a. small plate which fills the aperture between riveted strakes and the vessel framing N b. backing plate which is used to level the strakes while riveting, and then removed N c. internal frame to which the side shell is riveted N d. seam that is welded after riveting is completed 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 2920: You are on a large vessel fitted with a right-handed controllable-pitch propeller. When making large speed changes while decreasing pitch, which statement is TRUE?
N a. You will probably have full directional control throughout the speed change. Y b. You may lose rudder control until the ship's speed has dropped to correspond to propeller speed. N c. The stern will immediately slew to starboard due to unbalanced forces acting on the propeller. N d. The stern will immediately slew to port due to unbalanced forces acting on the propeller. 3013: Which will NOT reduce yawing of a tow?
N a. Increasing the length of the towing hawser Y b. Trimming the tow by the bow N c. Trimming the tow by the stern N d. Drogues put over the stern 3020: The main underdeck pipeline on a tankship is connected to individual tanks by __________.
N a. tank drops N b. line drops N c. crossovers Y d. branch lines 3032: Ice is often strong enough to halt navigation through the St. Lawrence Seaway by mid- __________.
N a. October N b. November Y c. December N d. January 3052: How should you signal the crane operator to lower the boom?
Y a. With arm extended and fingers closed, point thumb downward. N b. With arm extended downwards and forefinger pointing down, move hand in small horizontal circles. N c. Extend arm with the palm down, and hold this position rigidly. N d. With hands clasped in front of your body. 3134: When using two tugs to assist in mooring a large, deeply laden ship, the most powerful tug is usually placed __________.
Y a. forward to control the bow N b. amidships to move the entire vessel evenly N c. aft to assist the ship's rudder and propeller N d. anywhere, since the maneuverability of the tug governs the placement not the power 3260: When underway with a tow, you must notify the Coast Guard of which casualty?
N a. Damage to property amounting to $1,500 N b. Loss of bridge-to-bridge radio capability N c. An injury requiring first aid Y d. Loss of main propulsion 3280: What is NOT accepted as the required shipping papers on a manned and loaded tank barge?
N a. Bill of Lading N b. Manifest N c. Shipping document Y d. Logbook entry 3372: The lead of a tow bridle is usually redirected with a __________.
N a. bollard Y b. chock N c. pad eye N d. devil's claw 3436: The signal man assisting the crane operator has one hand occupied and one fist in front of his chest with the thumb pointing outward and is tapping his chest with the heel of his fist. This is the signal to __________.
N a. extend the boom N b. lower the boom Y c. retract the boom N d. hoist the boom 4104: The primary objective of a Ro-Ro vessel is to __________.
N a. transfer containers without chassis N b. load the vessel with palletized cargo Y c. transport vehicles N d. be loaded full and down to her marks 4116: Onboard a Ro-Ro vessel many decks are used for the carriage of both rolling and container cargoes, as such it is most useful if a deck socket accepts both __________.
Y a. twist-Locks and lashing hooks N b. container locks and bridge fittings N c. bridge fittings and lashing hooks N d. twist-locks and container locks 4139: A disadvantage of using chain lashing on heavy vehicles aboard Ro-Ro vessels is that __________.
N a. it is easily damaged N b. it is affected by temperature Y c. the links lose strength if placed over corners N d. it has high initial cost 4142: The advantage(s) of using wire rope lashing on vehicles aboard Ro-Ro vessels is that it __________.
N a. is Lighter than chain N b. has a good working life N c. is not affected by temperature Y d. All of the above 4153: What should you be concerned with when loading and securing vehicles on a Ro-Ro?
Y a. Number, position and angle of lashes N b. Number of axles N c. Disconnecting the battery cables to prevent fire hazard N d. Minor air pressure changes in the tires 4180: Which of the following actions are stated in the correct order prior to loading or discharging cargo on a Ro-Ro vessel?
N a. Raise/open stern door, lower the stern ramp, turn on ventilation for cargo holds Y b. Lower the stern ramp, raise/open stern door, turn on ventilation for cargo holds N c. Turn on ventilation for cargo holds, lower the stern ramp, raise/open stern door N d. Turn on ventilation for cargo holds, raise/open stern door, lower the stern ramp 4211: Pedestal cranes have limit switches to restrict movement of which function(s)?
N a. Hoist upper & lower limits N b. Luff travel limits N c. Rider block hoist upper & lower limits Y d. All of the above 4254: Which of the following statement(s) is/are TRUE regarding twin pedestal cranes?
N a. Each single boom is of the partial-level luffing type and is capable of limited rotation. N b. A slew drive system provides for rotation of each crane. N c. Maintenance logs and records are to be kept for each crane. Y d. All of the above 4383: What does item "A" refer to in this illustration of a 30-ton pedestal crane? (D045DG )
N a. Boom luffing falls Y b. Cargo hoist falls N c. Remote block tagline system N d. Slewing cable