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.
54: Your vessel has grounded on a bar. What should you do?
N a. If you cannot get clear immediately, lighten the ship by pumping all ballast overboard. N b. Run the engine full astern to keep from being set further onto the bar. Y c. Switch to the high suction for condenser circulating water, if it is submerged. N d. All of the above 108: Damage to cargo caused by dust is known as __________.
Y a. contamination N b. oxidation N c. tainting N d. vaporization 135: Corrosive liquids and acids should have which kind of label?
N a. Skull and crossbones N b. Yellow and white N c. Red and white Y d. White and black 176: The turning circle of a vessel is the path followed by the __________.
N a. tipping center N b. bow N c. outermost part of the ship while making the circle Y d. center of gravity 179: The minimum temperature required to ignite gas or vapor without a spark or flame being present is called __________.
N a. flash point N b. fire point Y c. autoignition temperature N d. lower explosive limit 216: As a ship moves through the water, it drags with it a body of water called the wake. The ratio of the wake speed to the ship's speed is called __________.
N a. propeller velocity N b. speed of advance N c. wake distribution Y d. wake fraction 362: A towing vessel is tripped when __________.
N a. it is overtaken by the tow Y b. it is pulled sideways by the tow N c. the weight of the towing hawser causes loss of maneuverability N d. the propeller is fouled by the towing hawser 397: Which statement is TRUE concerning deep well self-priming pumps?
N a. When loading oil cargo, it is always loaded via the discharge line through to the pump until the tank is topped off. Y b. Stripping systems are generally eliminated for the purposes of cargo handling. N c. In recent years deep well pumps have become increasingly unpopular in product tankers and medium size crude ships. N d. There is no danger of damaging the pump from overheating. 575: What is a correct reply to a pilot's request, "How's your head"?
N a. "Steady" N b. "Checked" Y c. "Passing 200°" N d. "Eased to 10° rudder" 578: When loading a container vessel, the operation is basically that of vertical loading. The important factors to be considered when loading containers are port of discharge, __________.
N a. available dunnage, and chocking N b. crushability, and inherent vice N c. sweat, and weight Y d. weight, and refrigeration 654: A rope made of a combination of wire and fiber is known as __________.
N a. independent N b. lang lay N c. preformed Y d. spring lay 672: When towing alongside (breasted tow), more forward movement will be imparted to the tow by __________.
N a. increasing the angle of line pull to the keel axis of the tow Y b. reducing the angle of line pull to the keel axis of the tow N c. positioning the towing vessel on the forward end of the tow N d. shortening the length of the tow line 788: The lower hold of your vessel has a bale capacity of 45,000 cubic feet. How many cases of a cargo weighing 450 lbs. and measuring 2.5 feet by 3 feet by 3 feet could be stowed in the hold, assuming a broken stowage factor of 15 percent?
N a. 300 N b. 675 N c. 1325 Y d. 1700 804: Line is called "small stuff" if its circumference is less than __________.
N a. 1/2" N b. 3/4" N c. 1" Y d. 1 3/4" 837: When may foreign licensed or documented personnel be employed on a US-flag towing vessel?
Y a. While on a foreign voyage and outside US jurisdiction, in order to meet manning requirements N b. While operating above the US outer continental shelf N c. On vessels operating on domestic voyages only N d. Never, under any circumstances 864: During the manufacture of line, yarns are twisted together in the __________.
Y a. opposite direction from which the fibers are twisted together to form strands N b. same direction the fibers are twisted to form strands N c. opposite direction from which the fibers are twisted together to form the line N d. opposite direction from which the fibers are twisted together forming cables 921: Which item must be entered in the official log?
N a. All engine orders Y b. Drafts upon leaving port N c. Names of night mates and engineers N d. Number of cargo gangs on board 989: You are loading 465,000 barrels of cargo oil. At 0900 you find that you have loaded 207,000 barrels. At 1030 you find that you have loaded 223,000 barrels. If you continue loading at the same rate, you will finish at approximately __________.
N a. 2100 that night N b. 0730 the next day Y c. 0910 the next day N d. 1215 the next day 1001: Which is supplied to the vessel by the U.S. Coast Guard?
N a. Bell book N b. Cargo gear register Y c. Official Logbook N d. Rough Logbook 1002: While steering by autopilot you notice that the vessel has deviated 15 degrees from course and there is no corrective rudder being applied. As a standard operating procedure you may need to __________.
N a. check the setting of the rudder adjustment N b. check the setting of the weather adjustment N c. immediately engage the trick wheel Y d. switch to the other steering system 1006: Which action reduces the yawing of a vessel in a following sea?
N a. Increasing GM N b. Pumping out tanks aft N c. Shifting weights to the bow Y d. Shifting weights to the stern 1061: A vessel arrives at the port of San Francisco from Yokohama, Japan. The passengers fill out the Baggage Declaration and Entry form. A passenger has baggage arriving on another vessel. How must this baggage be handled for U.S. Customs purposes?
N a. It need not be declared at this time. Y b. It must be declared on the same form and marked "Unaccompanied Baggage". N c. It must be declared on another form entitled "Continuation Sheet". N d. It must be declared only if the other vessel's name is known. 1067: The normal and safest way for a sailor to be lowered in a bosun's chair when descending vertically is __________.
Y a. for that sailor to feed the hauling part through a bosun's chair hitch N b. to lead the hauling part to a cleat on the mast and slacking the sailor down N c. by taking several turns of the gantline on a winch drum and then lower the sailor by backing off on the winch N d. by leading the bight of the hauling part to a rail and taking several turns, then slacking away with the bight 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 1278: The document that establishes the facts of a casualty and is the prima facie relief from liability for the damage is the __________.
N a. adjuster's report N b. insurance policy N c. invoice Y d. Master's protest 1288: A document used to indicate suspected cargo damage caused by rough weather would be the __________.
N a. cargo report N b. hull damage report Y c. Master's Note of Protest N d. Unseaworthy Certificate 1310: Which statement is TRUE concerning protection of double bottom tanks against excessive pressure?
N a. Each vent for the tank must be equal to the area of the tank filling line. N b. The tanks must be protected by overflows. Y c. The total area of the vents or the overflow shall be at least 125% of the area of the fill line. N d. There must be twice as much vent area as the area of the fill line. 1483: The knot used to join two lines or two large hawsers for towing is called a __________.
N a. square knot Y b. carrick bend N c. sheet bend N d. bowline 1605: The pivoting point of a vessel going ahead is __________.
N a. near the stern N b. about two-thirds of the vessel's length from the bow N c. at the hawsepipe Y d. about one-third of the vessel's length from the bow 1624: Which kind of hitch should you use to secure a spar?
N a. Blackwall hitch N b. Stage hitch Y c. Timber hitch N d. Two half hitches 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 1687: What is the perimeter of a circle with a radius of 4.2 feet?
Y a. 26.39 ft N b. 21.19 ft N c. 17.81 ft N d. 13.20 ft 1736: Before letting the anchor go, you should check that the __________.
N a. chain is clear N b. anchor is clear of obstructions N c. wildcat is disengaged Y d. All of the above 1878: When being towed, a fairlead is a __________.
Y a. fabricated shape used to change the direction of a flexible member of the tow hookup N b. fabricated shape used to secure the tow hookup to the towed vessel N c. line connecting the fishplate to the bridle legs N d. line connecting the tow bridle to the towed vessel 1880: You are using tackle number 11 in illustration DO29DG to lift a weight of 300 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 )
Y a. 75 lbs. N b. 90 lbs. N c. 110 lbs. N d. 117 lbs. 1963: What should you do to a line to prevent fraying where it passes over the side of the vessel?
N a. Worm that part of the line. N b. Splice that part of the line. Y c. Cover it with chafing gear. N d. Install a cleat. 1973: Which statement is TRUE about placing the eyes of two mooring lines on the same bollard?
N a. Put one line at the low point and one at the high point of the bollard so they don't touch. Y b. Take the eye of the second line up through the eye of the first line before putting the second line on the bollard. N c. Never put two mooring lines on the same bollard. N d. The mooring line forward should be put on the bollard first. 2035: A seaman signed on articles on 16 January 1987 and signed off on 2 March 1987. How should you enter this under the Time of Service column in the articles?
N a. 1 Month 18 Days N b. 1 Month 16 Days N c. 2 Months Y d. 46 Days 2182: What is the name of tackle number 4? (DO29DG )
N a. Double whip N b. Luff tackle Y c. Two-fold purchase N d. 2-2 tackle 2187: You are using tackle number 10 to lift a weight. The hauling part of this tackle is bent to the weight hook (w) of tackle number 5. What is the mechanical advantage of this rig? (DO29DG )
Y a. 25 N b. 20 N c. 15 N d. 10 2195: You have determined the maneuvering characteristics of your vessel by taking the radar ranges and bearings of an isolated light while making a turn. The results are as listed. Based on this data what is the transfer for a turn of 180°? (D035DG )
N a. 745 yards N b. 770 yards Y c. 840 yards N d. 890 yards 2196: You are using tackle number 10 to lift a weight. The hauling part of this tackle is bent to the weight hook (w) of tackle number 4. What is the mechanical advantage of this rig? (DO29DG )
N a. 24 Y b. 20 N c. 13 N d. 9 2220: The load chart of a crane enables the operator to combine the load radius with boom length to determine the __________.
N a. maximum counter weight required N b. minimum horsepower required N c. hoist rope strength Y d. allowable load 2233: The knot lettered N as shown is a __________. (DO30DG )
N a. timber hitch N b. rolling bowline Y c. stopper N d. heaving line hitch 2299: You are on a multiple-product chemical tanker and will carry cargoes of isophorone, ethylenediamine, and creosote. Which of the following is TRUE?
Y a. All of these cargoes are compatible. N b. Isophorone is incompatible with ethylenediamine but may be stowed adjacent to creosote. N c. All of these cargoes are incompatible. N d. Ethylenediamine is compatible with isophorone but both are incompatible with creosote. 2352: The recessed areas on a wildcat are called __________.
N a. pawls N b. sockets Y c. pockets N d. devil's claws 2376: A vessel has an amidships superstructure. Which location would be most suitable for on-deck stowage of automobiles?
N a. On top of #1 hatch N b. Beside the hatches, forward of the midships house N c. On top of the hatch immediately forward of the midships house Y d. On top of the hatch immediately aft of the midships house 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. 2649: Which type of weld testing can be used to detect internal flaws?
Y a. Radiographic N b. Magnetic particle N c. Dye penetrant N d. Chemical reaction 2748: The Lake Carriers Association and the Canadian Shipowners Association prescribe separation routes for upbound and downbound vessels on the Great Lakes. The recommended courses for these routes are shown on the Great Lakes Charts in the form of __________.
Y a. red or magenta figures over a segmented course line track N b. red figures over a solid course line track N c. black figures over a segmented course line track N d. green figures over a solid course line track 2970: What material may be substituted for zinc when making a poured metal socket ending to a wire rope?
N a. Lead N b. Babbitt N c. Solder Y d. Nothing 3056: Advection fog holds longest over which portions of the lakes?
Y a. Northwest N b. Southeast N c. Northeast N d. Southwest 3098: A weight of 1,000 short tons is equivalent to __________.
N a. 1,500 foot-pounds N b. 2,240 long tons N c. 2,000 pounds Y d. 2,000 kips 3392: What term indicates the midships portion of a vessel that has a constant cross section?
N a. Half length N b. Amidships Y c. Middle body N d. Molded length 3400: In a tow made up astern, the fishplate __________.
Y a. connects the hawser to the bridle N b. connects the bridle to the tow N c. keeps the hawser amidships on the tug N d. is the capping piece on the "H" bitt 3580: You are standing the wheelwatch on entering port and the Master gives you a rudder command which conflicts with a rudder command from the Pilot. What should you do?
Y a. Obey the Master. N b. Obey the Pilot. N c. Bring the rudder to a position midway between the two conflicting orders. N d. Ask the Pilot if he relinquishes control. 4034: The signal man assisting the crane operator has his arm extended downwards, forefinger pointing down, and moves his hand in small horizontal circles. This is the signal to __________.
Y a. lower N b. swing N c. hoist N d. extend 4062: The signal man assisting the crane operator has his forearm vertical, forefinger pointing up, and moves his hand in a small horizontal circle. This is the signal to __________.
N a. swing N b. lower Y c. hoist N d. extend 4064: Which statement concerning castor oil is TRUE?
N a. It has a Reid vapor pressure of 9.5. N b. It has a specific gravity of 1.3. N c. The boiling point is 215°F (102°C). Y d. It is a grade E combustible liquid. 4112: What is(are) standard operating procedure(s) used on a Ro-Ro vessel?
N a. One engineer officer assigned to oversee the initial loading and lashing N b. Cargo lashings may be removed at sea for maintenance Y c. Periodic inspection and retensioning of lashings during the voyage N d. All of the above