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.
17: The mooring line labeled "E" is called a(n) __________. (DO44DG )
Y a. bow spring line N b. aft spring line N c. forward breast line N d. bow line 79: Ullages on tankers are measured from __________.
Y a. an above-deck datum such as the top of the ullage pipe N b. the tank ceiling aboard transversely framed vessels N c. the tank top N d. a thievage mark below the edge of the deck 227: An ocean towing bridle should __________.
Y a. have equal legs of sufficient length N b. have a large angle between the legs N c. be formed on a bight of cable through a ring N d. never be made up of chain 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. 327: You are on a multiple product tankship and carrying methyl acrylate, diethanolamine, and triethylamine. Which statement is TRUE?
N a. Methyl acrylate may be loaded in a tank adjacent to diethanolamine but not triethylamine. Y b. The heating coils to the cargo tank loaded with methyl acrylate must be blanked off. N c. Valve components made of aluminum, copper, or zinc may not be in contact with the cargoes. N d. Each crew member working on deck must have an emergency escape breathing apparatus. 411: Tonnage tax is officially based upon the figures obtained from the __________.
Y a. Admeasurement Certificate N b. deadweight scale N c. displacement scale N d. Load Line Certificate 440: If a Master must jettison a container loaded with hazardous material, he must, as soon as possible, notify the __________.
N a. National Cargo Bureau N b. Environmental Protection Agency N c. National Hazardous Chemical Response Center Y d. nearest Captain of the Port 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 485: To clean a dirty fiber towing hawser used in ocean towing, you should __________.
N a. use lye or other mild detergent Y b. wash it with fresh water, dry and store it N c. wash it with salt water N d. use cleaning fluid on nylon, dacron and other synthetic lines 488: Which data can NOT be found on a moisture equilibrium chart?
N a. Dry bulb temperature N b. Moisture content N c. Vapor pressure Y d. Wet bulb temperature 536: Your vessel is backing on the starboard screw, and going ahead on the port screw. The bow will __________.
N a. back on a straight line N b. move ahead on a straight line N c. swing to port Y d. swing to starboard 589: The terminal indicates to you that they are going to use a booster pump to assist the discharging operation. You start the discharge and in a few minutes the pressure drops sharply. This could be a result of the __________.
Y a. booster pump coming on the line and discharging properly N b. booster pump failing to start N c. ship's pump speeding up N d. booster pump being lined up in the wrong direction 613: A lookout can leave his station __________.
N a. at the end of the watch Y b. only when properly relieved N c. at any time N d. 15 minutes before the end of the watch 617: In illustration D044DG, the mooring line labeled "A" is called a(n) __________. (DO44DG )
N a. onshore stern line Y b. offshore stern line N c. after breast line N d. after spring line 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 712: What is the effect of releasing the towline in a tripping situation?
Y a. It disconnects the capsizing force and allows the tug to recover from its list. N b. It frees the tug from its towing responsibilities. N c. There is no effect other than relief. N d. Yawing 761: The Immigration and Naturalization Service is concerned with which document on a vessel making preliminary entry into a U.S. port from a foreign port?
N a. Cargo Manifest Y b. Certified Crew List N c. Curio List N d. Shipping Articles 858: The lower hold of your vessel has a bale capacity of 60,000 cubic feet. How many tons of cotton in bales having a stowage factor of 85 can be stowed in the lower hold, assuming a broken stowage factor of 20%?
N a. 141 Y b. 565 N c. 706 N d. 847 961: Which log includes a statement of the conduct, ability, and character of each crew member on the completion of a voyage?
Y a. Official Logbook N b. Department Logbook N c. Crew Logbook N d. Smooth Logbook 975: The "Mode" selector switch on the autopilot steering stand is used to select any of the following with the EXCEPTION of __________.
N a. automatic pilot steering N b. hand-electric steering N c. non-followup steering Y d. rudder adjustment 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 1132: A lookout can leave his station __________.
N a. at the end of the watch N b. at any time Y c. ONLY when properly relieved N d. 15 minutes before the end of the watch 1253: You are preparing to relieve the mate on watch while underway at sea. The watch should not be transferred __________.
N a. during an engine speed change N b. while the Master is on the bridge Y c. during a collision avoidance maneuver N d. All of the above 1277: Ice concentration is measured in OKTAs. What percentage of the sea surface is ice-covered with 4 OKTAs concentration?
N a. 25% N b. 40% Y c. 50% N d. 67% 1314: A wire rope rove through two single blocks with two parts at the moving block is used for a boat fall. The weight of the 100-person boat is 5 tons. Compute the required breaking strain. Safety Factor - 6, weight per person - 165 lbs., 10% friction per sheave (2 sheaves).
N a. 18.30 tons B.S. N b. 20.29 tons B.S. Y c. 22.27 tons B.S. N d. 24.31 tons B.S. 1336: When picking up your mooring at the buoy, the correct method is to __________.
N a. approach the buoy with the wind and current astern Y b. approach the buoy with the wind and current ahead N c. approach the buoy with wind and sea abeam N d. stop upwind and up current and drift down on the buoy 1368: Fire and abandon ship stations and duties may be found on the __________.
N a. crewman's duty list N b. Certificate of Inspection N c. shipping articles Y d. muster list 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 1416: What is meant by veering the anchor chain?
N a. Bringing the anchor to short stay N b. Heaving in all the chain N c. Locking the windlass to prevent more chain from running out Y d. Paying out more chain 1451: The implied condition(s) with respect to the doctrine of deviation in a marine insurance policy is(are) __________.
N a. that the cargo be discharged from the vessel with customary dispatch N b. that the voyage be commenced in a reasonable time N c. that the voyage be pursued over the usual and direct route Y d. All of the above 1466: When dropping anchor, you are stationed at the windlass brake. The most important piece(s) of gear is(are) __________.
N a. a hard hat N b. a long sleeve shirt N c. gloves Y d. goggles 1478: What does "in step" refer to in regards to towing?
N a. The towed vessel follows exactly in the wake of the towing vessel. N b. There is no catenary in the towing hawser. N c. When turning, both the towed and towing vessels turn at the same time. Y d. Both the towed and towing vessels reach a wave crest or trough at the same time. 1525: The term "shift the rudder" means __________.
N a. use right or left rudder Y b. change from right (left) to left (right) rudder an equal amount N c. check, but do not stop the vessel from swinging N d. put the rudder amidships 1566: In bad weather, what length of chain should be used with a single anchor?
N a. 3 times the depth of water N b. 6 times the depth of water Y c. 10 times the depth of water N d. 15 times the depth of water 1726: When attempting to free an anchor jammed in the hawsepipe, the simplest method of freeing it may be __________.
Y a. starting the disengaged windlass at high speed N b. rigging a bull rope to pull it out N c. to grease the hawsepipe N d. to pry it loose with a short piece of pipe 1762: What is the perimeter of a circle with a radius of 2.5 feet?
N a. 7.86 ft Y b. 15.71 ft N c. 19.63 ft N d. 22.71 ft 1923: Disregarding friction, a twofold purchase when rove to disadvantage has a mechanical advantage of __________.
N a. 2 N b. 3 Y c. 4 N d. 5 1925: Which material should NOT be used to secure cargo on deck for a voyage?
N a. Steel chain N b. Wire rope N c. Steel strapping Y d. Fiber rope 1995: The single turn method of returning to a man overboard should be used ONLY if __________.
N a. the man is reported missing rather than immediately seen as he falls overboard Y b. the vessel is very maneuverable N c. the conning officer is inexperienced N d. a boat will be used to recover the man 2060: In polar regions you should NOT expect to see __________.
N a. mirage effects N b. sea smoke Y c. extensive snowfall N d. false horizons 2199: What is the name of tackle number 2? (DO29DG )
N a. Whip N b. Onefold purchase N c. Single purchase Y d. Gun tackle 2201: When referring to dry bulk cargoes, the term "flow state" __________.
N a. designates the state of a commodity when the ship is heeled past the angle of repose N b. relates to the suitability of loading a cargo by flowing down inclined chutes Y c. refers to the saturation of a dry bulk product with water to the point where it acts as a liquid N d. relates to the minimum granule size of a particular product where it will flow like a liquid at an angle of 30° 2221: You are using tackle number 5 to lift a weight. The hauling part of this tackle is bent to the weight hook (w) of tackle number 8. What is the mechanical advantage of this rig? (DO29DG )
N a. 20 Y b. 15 N c. 10 N d. 5 2240: What is the mechanical advantage of tackle number 1? (DO29DG )
N a. 0.5 Y b. 1 N c. 1.5 N d. 2 2384: What is the volume of a sphere with a radius of 3 feet?
Y a. 113.08 cubic ft. N b. 96.57 cubic ft. N c. 37.69 cubic ft. N d. 28.23 cubic ft. 2469: While cranking out a quadrantal davit, slippage of the quadrant due to excessive wear or failure of the teeth in the quadrant will cause the __________.
Y a. davit arm to pivot on the traveling nut and the head to fall outboard N b. traveling nut to lock up in place on the worm gear N c. limit switch to engage and hold the traveling nut in position N d. winch brake to lock in position and prevent lowering the boat 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 2754: Which statement is TRUE concerning vessels over 1600 gross tons certificated for service solely on the Great Lakes?
N a. They must have magnetic compasses. N b. They must have gyro compasses. Y c. They must carry a deep-sea hand lead. N d. All of the above statements are TRUE. 2754: Which statement is TRUE concerning vessels over 1600 gross tons certificated for service solely on the Great Lakes?
N a. They must have magnetic compasses. N b. They must have gyro compasses. Y c. They must carry a deep-sea hand lead. N d. All of the above statements are TRUE. 2816: Which statement is TRUE concerning lighting requirements for Great Lakes vessels?
N a. The showing of a forward masthead light is optional for vessels under 150 meters. Y b. An all-round white light may be carried in lieu of the second masthead light and stern light. N c. Sidelights for vessels over 50 meters are required to have only a two-mile range of visibility. N d. Great Lakes vessels are exempted from the requirement to show yellow towing lights. 2919: Which statement about general average is TRUE?
N a. Damage to a ship must have been incurred while the ship and/or its machinery was being used for its intended purpose. Y b. Property must have been sacrificed or an expenditure of money incurred. N c. The loss or damage to deck cargo due to heavy weather constitutes general average. N d. Of the ship, the freight, and the cargo interests, only one need be involved. 3058: Which type of ice is the most difficult to combat and presents the greatest hazard to shipping on the Great Lakes during the winter months?
N a. Icebergs N b. Fast ice N c. Slow ice Y d. Pack slush ice 3060: Which characteristic is an advantage of a butterfly valve as compared to a gate valve?
N a. Precise adjustment of cargo flow N b. Faster rate of cargo flow Y c. Easier operation N d. Less chance of leaks 3447: The best method to secure a tow line to a cleat is to __________.
Y a. take a turn around the cleat, then figure-eights, and a half-hitch N b. make figure-eights, followed by a half-hitch, then a figure-eight knot N c. take a turn, a half turn, and a figure-eight N d. take several turns around the cleat only 3742: It is good practice to use long towlines for ocean tows because the __________.
N a. wear on the towline is equalized N b. weight of the towline increases the towing force Y c. dip in the towline absorbs shock loads N d. danger of overriding is reduced 4092: To reconnect a broken tow line, it is better to use a polypropylene messenger line because it __________.
N a. has great strength N b. is very supple Y c. floats N d. absorbs shock by stretching 4102: What characterizes a Ro-Ro vessel?
N a. May carry up to 24 passengers Y b. High freeboard and sail area N c. Long port stays required for cargo securing N d. Lightweight securing equipment trailers 4205: Which piece of equipment is required to "twin-up" 30-ton pedestal cranes aboard a crane vessel?
N a. Portable power swivel Y b. Equalizing beam N c. 20-foot container spreader N d. 40-foot container spreader 4213: What does a jib refer to on a crane?
Y a. Boom N b. Topping lift N c. Control cab N d. Liftline 4256: Which of the following statement(s) is/are FALSE regarding a twin pedestal crane set?
N a. The cranes may be operated independently. N b. The cranes may be interconnected for twin operation. Y c. The cranes are powered by independent internal combustion power units. N d. All of the above