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.
9: Defense plans may cause the operation of electronic aids to navigation to be suspended with __________.
Y a. no notice N b. one day's notice N c. a week's notice N d. thirty (30) days notice 20: You are carrying triethylamine, methyl methacrylate and isoprene in your multiple-product tankship. Which of the following statements is true?
Y a. Isoprene may be carried in a cargo tank adjacent to either of the other two cargoes. N b. Methyl methacrylate may not be carried in a tank adjacent to a pump room. N c. Methyl methacrylate must usually be heated to maintain its stability. N d. Portable thermometers are not permitted to be used to take the cargo temperature of triethylamine. 180: Your tank vessel is loading a hazardous cargo. The allowance for expansion is based on ambient temperatures of what maximum range?
N a. 0°C to 100°C N b. -10°C to 90°C Y c. -18°C to 46°C N d. -40°C to 50°C 188: Which cargoes require strips of common building lathe as dunnage in order to carry away heat generated by the cargo?
N a. Canned soups packaged in crates N b. Cardboard cartons of shoes N c. Paper products packaged in rolls Y d. Refrigerated fruit that is ripening 194: A vessel spotted at 45° relative can be reported as __________.
N a. on the starboard beam Y b. broad on the starboard bow N c. 4 points forward of starboard bow N d. 4 points abaft the starboard beam 226: Which statement is TRUE concerning the vessel's slipstream?
N a. It has no effect on the steering of the vessel. N b. It has no effect on the rudder when the helm is amidships. N c. Its velocity is the same as that of the wake. Y d. The propeller gives it a helical motion. 304: To warp a vessel means to __________.
N a. anchor the vessel N b. bring the head into the wind N c. clean the decks Y d. move the vessel by hauling on lines 376: You are aboard a right-handed single-screw vessel with headway on. The engine is put full astern and the rudder hard left. What will the bow do?
N a. It will swing to the left, and will swing left faster as the vessel loses way. Y b. It will swing to the left, straighten out and then swing to the right as the vessel loses way. N c. It will swing to the left without increasing or decreasing its swing. N d. The bow will swing to the right. 417: When inspecting wire rope that has been in use for some time, one must look for __________.
N a. fishhooks N b. kinks N c. worn spots Y d. All of the above 446: A twin-screw vessel can clear the inboard propeller and maneuver off a pier best by holding a(n) __________.
N a. forward spring line and going slow ahead on the inboard engine N b. after spring line and going slow astern on the outboard engine N c. forward spring line and going slow ahead on both engines Y d. forward spring line and going slow ahead on the outboard engine 447: One reason a tug's towing bitts are located forward of the rudders is because __________.
N a. it makes it easier to hook up the towing hawser N b. this is where the towhook is located Y c. this allows more responsive steering N d. it is traditional 474: On an anchor windlass, the wheel over which the anchor chain passes is called a __________.
N a. brake compressor wheel N b. devil's claw Y c. wildcat N d. winchhead 533: A towing hook may be released from the __________.
N a. tug's engineroom or the bow Y b. pilot house or aft steering station N c. forecastle N d. towing bitts by reaching over and releasing a lever 607: A lashing used to secure two barges side by side, lashed in an "X" fashion, is called a __________.
Y a. scissor wire N b. towing wire N c. breast wire N d. cross wire 611: The Certificate of Inspection for a containership __________.
Y a. is issued by the Coast Guard and is usually valid for 2 years N b. must be posted under transparent material near the officers' licenses N c. lists all of the stability limitations and conditions imposed on the vessel N d. shows the due date of the quadrennial test of the cargo gear 623: When hugging a bank in a narrow channel, you should take precautions against_______________.
N a. bank suction, squat and the effects of vessels passing close aboard N b. clogged sea chests, plugged sea strainers and overheated machinery N c. striking underwater obstructions close to the bank Y d. All of the above 780: Bilge keels are more effective at dampening rolls as the __________.
N a. pitching increases N b. list increases Y c. rolling increases N d. draft decreases 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 820: A partial deck in a hold is called a(n) __________.
N a. weather deck Y b. orlop deck N c. shelter deck N d. main deck 839: The valve on the discharge side of a cargo pump on a tank vessel will usually be a __________.
N a. butterfly valve N b. spectacle valve Y c. check valve N d. globe valve 843: If the Master of a US-flag towing vessel replaces any crew member with a non-US citizen, he/she must ensure that the ___________ .
N a. replacement holds a license or document equivalent in experience and training to a mariner holding US credentials N b. replacement can communicate with other crew members to the extent required by regulations N c. vessel is on a foreign voyage, outside US jurisdiction, and not operating above the US outer continental shelf Y d. all of the above 930: Which of the signals listed is required to be displayed at night while bunkering at a dock?
Y a. One red light N b. Two red lights N c. One red light over a yellow light N d. One red light over a white light 956: When a vessel is swinging from side to side off course due to quartering seas, the vessel is __________.
N a. broaching N b. pitchpoling N c. rolling Y d. yawing 967: While steering by autopilot you notice that the vessel is deviating from the given course and there is no follow up with corrective rudder action to return to the proper heading. The emergency operating procedure should require you to immediately change operation from __________.
Y a. "gyro" to "hand" N b. "hand" to "gyro" N c. "gyro" to "control" N d. "control" to "hand" 1075: You are standing wheelwatch on entering port, and the Master gives you a rudder command that conflicts with a rudder command from the Pilot. What should you do?
N a. Obey the Pilot Y b. Obey the Master N c. Ask the Pilot for guidance N d. Bring the rudder to midships 1080: The "inner bottom" is the __________.
Y a. tank top N b. compartment between the tank top and shell of the vessel N c. inner side of the vessel's shell N d. space between two transverse bottom frames 1086: When taking a Pilot from a pilot vessel in a seaway, which way should you head your vessel if the ladder is on the leeward side?
N a. Bow to the sea and no way on your vessel N b. Sea on the lee quarter with ship moving ahead slowly Y c. Sea on the weather bow and ship moving ahead slowly N d. Sea on the quarter with sternway on the ship 1104: Nylon line can be dangerous because it __________.
N a. breaks down when wet N b. kinks when wet N c. is not elastic Y d. stretches 1189: When bunkering is complete, the hoses should be __________.
N a. cleaned internally with a degreaser N b. washed out with hot soapy water Y c. drained, blanked off, and stored securely N d. stowed vertically and allowed to drain 1216: It is easier to dock a right-hand, single-screw vessel __________.
N a. starboard side to the wharf N b. either side to the wharf Y c. port side to the wharf N d. stern to the wharf 1230: Which statement concerning solid floors is TRUE?
N a. They must be watertight. Y b. They may have lightening, limber, or air holes cut into them. N c. They are built of structural frames connected by angle struts and stiffeners, with flanged plate brackets at each end. N d. They are lighter than open floors. 1306: You are making mooring lines fast to bitts, stern to, as in some Mediterranean ports. A swell is liable to make the vessel surge. How should you tie up?
Y a. Use manila or synthetic fiber hawsers only. N b. Use wires only from the stern and each quarter. N c. Use synthetic fiber and/or manila hawsers as required. N d. Use wires from each quarter and manila hawsers from the stern. 1399: Which part of a cargo boom has the greatest diameter?
N a. Head Y b. Middle N c. Heel N d. It has the same diameter along its complete length. 1410: The result of two forces acting in opposite directions and along parallel lines, is an example of what type of stress?
N a. Tensile N b. Compression Y c. Shear N d. Strain 1456: How many turns of wire normally mark either side of the shackle 45 fathoms from the anchor?
N a. 1 N b. 2 Y c. 3 N d. 4 1484: A metal eye spliced into a wire is called a __________.
N a. cyclops N b. fish eye Y c. thimble N d. chip 1526: One shot of anchor chain is equal to how many feet (meters)?
N a. 6 (1.8 meters) N b. 15 (4.6 meters) N c. 45 (13.7 meters) Y d. 90 (27.4 meters) 1527: A 30,000 DWT tankship is required to have an IOPP certificate when __________.
N a. engaged in the coastwise trade N b. going foreign Y c. calling at ports in another country signatory to MARPOL 73/78 N d. carrying cargoes listed in the MARPOL regulations 1563: Which statement about two lines spliced together is TRUE?
N a. Splicing is used to increase the circumference of each line. Y b. Splicing two lines together is stronger than knotting two lines together. N c. Splicing is used to increase the overall strength of the line. N d. Splicing is used to prevent rotting of the lines bitter end. 1695: What is the perimeter of a circle with a radius of 3.7 feet?
N a. 11.62 ft N b. 17.49 ft Y c. 23.25 ft N d. 25.72 ft 1800: The figure obtained by dividing the total volume of the ship in cubic feet (after omission of exempted spaces) by 100 is the __________.
N a. bale cubic Y b. gross tonnage N c. light displacement N d. net tonnage 2172: The lower hold of your vessel has a bale cubic of 52,000 cu. ft. You will load a cargo of cases, each weighing 380 lbs. and measuring 3 ft. x 2 ft. x 2 ft. The estimated broken stowage is 15%. How many tons of cases can be loaded?
N a. 137 tons N b. 161 tons Y c. 625 tons N d. 969 tons 2217: The knot lettered P is a __________. (DO30DG )
Y a. rolling hitch N b. clove hitch N c. round turn and two half hitches N d. marline hitch 2225: Which knot should be used to secure a line to a spar when the pull is perpendicular to the spar? (DO30DG )
N a. E Y b. F N c. N N d. P 2360: Splices made in nylon should __________.
N a. be long splices only Y b. have extra tucks taken N c. be short splices only N d. be around a thimble 2478: A "contra-guide" is a type of __________.
N a. bow thruster N b. cargo gear N c. steering engine Y d. rudder 2490: The best method of protecting that portion of a fiber anchor line nearest the anchor from chafing on the bottom is by __________.
N a. using a small scope ratio Y b. replacing that portion with a short length of chain N c. using a hockle to keep that portion of the anchor line off the bottom N d. using a synthetic line 2524: Which entry on a dangerous cargo manifest concerning the classification of a cargo is NOT correct?
N a. Class 8 Y b. Division 3.1 N c. Division 2.3 N d. All of the above are incorrect 2536: Wages due a seaman may be attached by the court for the __________.
N a. payment of any fines imposed by the court N b. payment of back taxes to the IRS Y c. support of a spouse N d. All of the above 2572: A tug would NOT assist a ship to steer if the tug is made up to the large vessel __________.
N a. by a tow line ahead of the vessel N b. forward on either bow of the vessel Y c. approximately amidships of the vessel N d. on the vessel's quarter 2760: When the wave period and the apparent rolling period are the same __________.
Y a. synchronous rolling occurs N b. roll period decreases N c. roll period increases N d. roll amplitude is dampened 2896: You are proceeding against the current on a river in the Great Lakes System. You are meeting a downbound vessel. Both vessels are power-driven. The other vessel sounds one short blast. You must __________.
N a. change course to port N b. hold course and speed N c. sound three short blasts Y d. sound one short blast 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 3328: The vertical motion of a floating vessel is known as __________.
N a. surge N b. sway Y c. heave N d. yaw 3432: A vessel is wind rode when it is __________.
Y a. at anchor and heading into the wind N b. backing into the wind N c. carrying lee rudder N d. necessary to apply a leeway correction to the course 3712: When should a crane boom-up so high that the boom hits the stops?
N a. Only if the load has not exceeded the limit at that angle N b. Only if the load contains non-hazardous materials N c. Only if necessary to perform a given lift Y d. Never 3722: The next-to-last shot of an anchor cable is usually painted __________.
N a. white N b. international orange Y c. yellow N d. red 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 4155: Which factor(s) should be considered when loading vehicles or trailers aboard Ro-Ro vessels?
N a. Layout of decks N b. Vertical clearances N c. Tie-down and lashing Y d. All of the above 4253: 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. An independent slew drive system rotates the turntable. Y d. All of the above