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.
16: When underway and proceeding ahead, as the speed increases, the pivot point tends to __________.
N a. move aft Y b. move forward N c. move lower N d. remain stationary 86: The turning circle of a vessel making a turn of over 360 degrees is the path followed by the __________.
N a. bow N b. bridge N c. centerline Y d. center of gravity 94: All of the following records are usually maintained by the watch-standing officers aboard a vessel EXCEPT the __________.
N a. deck logbook Y b. official logbook N c. compass record book N d. chronometer error book 138: Which vessel is most likely to be loaded full but not down?
N a. A bulk carrier loaded with heavy ore N b. A bulk carrier loaded with steel Y c. A break bulk vessel loaded with palletized cargo N d. A tanker loaded with heavy grain 433: When a tow is trimmed by the stern it is said to __________.
N a. hog N b. sag Y c. drag N d. list 441: The document which shows a vessel's nationality, ownership, and tonnage is the __________.
N a. Manifest Certificate N b. Bill of Lading Certificate Y c. Certificate of Documentation N d. Official Logbook 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 529: When loading a tanker, you should __________.
N a. load only one tank at a time N b. keep the seamen on watch on standby in the mess room N c. keep a strain on the loading hoses Y d. close valves by closing them down, reopening one or two turns, and re-closing 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 664: Coiling new rope against the lay, bringing the lower end up through the center of the coil, then coiling with the lay, in order to remove the kinks, is known as __________.
N a. coiling N b. faking N c. flemishing Y d. thoroughfooting 724: Using a safety factor of five, determine what is the safe working load for 3-1/2 inch manila line with a breaking stress of 4.9 tons.
N a. 0.82 ton Y b. 0.98 ton N c. 2.45 tons N d. 12.25 tons 731: A Deratization Exemption Certificate is valid for a period of __________.
N a. no time limit so long as Certificate of Sanitation is valid N b. no time limit so long as no evidence of rodents aboard N c. 1 year Y d. 6 months 785: With rudders amidships and negligible wind, a twin-screw vessel moving ahead on the port screw and backing on the starboard screw will __________.
N a. move in a straight line Y b. pivot to starboard N c. pivot to port N d. walk sideways to starboard 873: At the required fire drill, all persons must report to their stations and demonstrate their ability to perform the duties assigned to them __________.
N a. by the Coast Guard regulations Y b. in the Muster List ("Station Bill") N c. by the person conducting the drill N d. at the previous safety meeting 993: Your vessel is docking, but not yet alongside. Which line will be the most useful when maneuvering the vessel alongside the pier?
N a. Bow breast line Y b. Bow spring line N c. Inshore head line N d. Offshore head line 1045: If a hydraulic pump on a winch accidentally stops while hoisting, the load will stay suspended because __________.
Y a. a check valve will close and prevent reverse circulation N b. a centrifugal counterweight counteracts the force of gravity. N c. the electric pump motor will cut out N d. the control lever will move to the stop position 1129: The main function of a stripping system is to __________.
N a. maintain the temperature of the cargo throughout the vessel N b. dispose of dangerous vapors within the cargo tanks N c. increase the loading rate of the shoreside pumps Y d. discharge liquid left in the cargo tanks after the main pumps have discharged the bulk 1156: The best time to work a boat into a slip is __________.
N a. when the wind is against you N b. with the current setting against you Y c. at slack water N d. with a cross current 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 1223: The organization that certifies the safe working load of cargo cranes on a vessel is the __________.
Y a. classification society N b. National Cargo Bureau N c. U.S. Coast Guard N d. none of the above 1234: Which type of line will stretch the most when under strain?
N a. Polypropylene N b. Dacron Y c. Nylon N d. Manila 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. 1514: A 6x12, two-inch wire rope has __________.
N a. 12 strands and a two-inch diameter N b. 12 strands and a two-inch circumference Y c. 6 strands and a two-inch diameter N d. 6 strands and a two-inch circumference 1558: When making up a tow connection, you should use __________.
N a. safety hooks N b. plain eye hooks N c. round pin shackles Y d. screw pin shackles 1588: You are aboard a single-screw vessel (right-hand propeller) going full ahead with good headway. The engine is put astern and the rudder is placed hard left. The stern of the vessel will swing to __________.
Y a. starboard until headway is lost and then to port N b. port N c. port until headway is lost and then may possibly swing to starboard N d. port slowly at first and then quickly to port 1598: On a vessel with a single propeller, transverse force has the most effect on the vessel when the engine is put __________.
N a. full ahead Y b. full astern N c. half ahead N d. slow astern 1642: Which illustration represents a carrick bend? (DO30DG )
N a. H N b. J N c. L Y d. M 1654: Which knot should be used to bend two hawsers together for towing?
Y a. Double carrick bend N b. Fisherman's bend N c. Heaving line bend N d. Rolling hitch 1666: While anchoring your vessel, the best time to let go the anchor is when the vessel is __________.
N a. dead in the water Y b. moving slowly astern over the ground N c. moving fast ahead over the ground N d. moving fast astern over the ground 1760: A hook that will release quickly is a __________.
N a. longshore hook N b. margin hook N c. marginal hook Y d. pelican hook 1806: If the situation arose where it became necessary to tow a disabled vessel, which statement is TRUE concerning the towing line?
N a. The towing line between the two vessels should be clear of the water. N b. The towing line should be taut at all times between the vessels. Y c. There should be a catenary so the line dips into the water. N d. None of the above 1842: The knot shown lettered W is a __________. (DO30DG )
N a. clove hitch Y b. square knot N c. barrel hitch N d. stopper knot 1881: In time of war Naval Control of Shipping Authorities may give orders concerning the __________.
N a. cargo to be loaded N b. final destination Y c. ship's route N d. All of the above 1977: On a crane, the boom indicator tells the operator what angle the boom angle is compared to the __________.
N a. vertical position Y b. horizontal position N c. boom stop angle N d. minimum radius angle 1988: When towing, what is the main reason for using a chain bridle on a wire hawser?
N a. It makes for an easy connection. Y b. It gives a spring effect to cushion the shock. N c. It eliminates the necessity of a swivel. N d. It does not chafe. 2013: A mooring line that checks forward motion of a vessel at a pier is a __________.
N a. bow line N b. forward bow line Y c. stern line N d. stern breast line 2053: A mooring line leading 45° to the keel, used to check forward or astern movement of a vessel, is called a __________.
Y a. spring line N b. warp line N c. bow line N d. breast line 2070: Which statement about the Williamson turn is FALSE?
Y a. It requires the highest degree of shiphandling skills to accomplish. N b. It is the slowest of the methods used in turning the vessel. N c. It is the best turn to use when the victim is not in sight due to reduced visibility. N d. It returns the vessel to the original track-line on a reciprocal course. 2152: Your vessel has the symbol shown inscribed on the side. Which statement concerning this symbol is TRUE? (DO22DG )
N a. This represents the load line marks when engaged on a voyage upon the Great Lakes. N b. The line directly under the triangle is at the same level as the summer load line. N c. The symbol is the equivalent of a load line marking and is used by government vessels (USN, MSC, USCG) only. Y d. The applicable gross and net tonnage of the ship will change if this mark is submerged and the load line mark is visible. 2325: Which line cannot be spliced?
N a. Braided line with a hollow core N b. Double-braided line Y c. Braided line with a solid core N d. Any line can be spliced 2392: Determine the weight of a rectangular piece of 12.75 lbs. steel measuring 5 feet by 8 feet.
Y a. 510.00 lbs. N b. 255.00 lbs. N c. 198.89 lbs. N d. 165.75 lbs. 2528: Which entry on a dangerous cargo manifest concerning the classification of a cargo is correct?
Y a. Class 8 N b. Class 3 - flammable liquid N c. Division 2.2 - nonflammable gas N d. All of the above are correct 2556: The type of joint formed when a third small plate is riveted over two plates butted together is called a __________.
N a. butted joint N b. lap joint Y c. strap joint N d. stringer joint 2588: Rivets are usually made of __________.
N a. wrought-iron N b. aluminum N c. high-tensile steel Y d. mild steel 2639: A wooden plug fitted tightly in the vent of a damaged tank may prevent the tank from __________.
Y a. filling completely N b. developing free surface N c. developing free surface moment N d. collapsing 2696: You are on a power-driven vessel proceeding down a channel, with the current, on a river on the Great Lakes System. If you meet another power-driven vessel who is upbound, your responsibilities include __________.
N a. backing down to get out of the way of the other vessel N b. waiting for the other vessel to signal her intentions, and then answering promptly Y c. proposing a safe way to pass N d. All of the above 2822: Which statement about stopping a vessel is TRUE?
N a. A lightly laden vessel requires as much stopping distance as a fully laden vessel when the current is from astern. N b. A vessel is dead in the water when the back wash from astern operation reaches the bow. N c. A tunnel bow thruster can be used in an emergency to reduce the stopping distance. Y d. When a vessel is dead in the water any speed displayed by Doppler log reflects the current. 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. 3081: A seaman is entitled by law to a release from Foreign Articles when __________.
N a. intoxicated N b. deductions are made from wages N c. injured Y d. the vessel is overloaded 3104: When maneuvering a heavy barge up a wide channel with a tug, the tow may be most closely controlled by making up to the barge __________.
N a. with a short tow astern N b. nearly bow to bow, at a small angle N c. amidships, parallel to the barge Y d. nearly stern to stern, at a small angle to the barge 3309: Catenary as applied to tow lines denotes the __________.
Y a. dip of the line N b. stretch of the line N c. strain on the line N d. length of the line 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 3414: You are lifting a 3-ton weight with a single whip rove on a swinging boom set at an angle 20° to the horizontal. Use the formula for the size of a shackle with a safe working load and determine the minimum size shackle that should be used to secure the head block to the boom.
Y a. 1 3/8 inch N b. 1 1/2 inch N c. 1 5/8 inch N d. 1 3/4 inch 3501: What must be accurately determined to assess the potential for progressive flooding after a vessel has been damaged?
Y a. The integrity of the water tight boundaries N b. The capacity of the water sprinkler systems N c. The operation of the machinery space bilge level alarms N d. All of the above 3681: While you are on watch entering port, the Master gives the helmsman a rudder command which conflicts with a rudder command from the Pilot. You should make sure the helmsman __________.
N a. obeys the Pilot Y b. obeys the Master N c. asks you for instructions N d. brings the rudder to a point midway between the two conflicting positions 4043: When backing down with sternway, the pivot point of a vessel is __________.
N a. aft of the propellers Y b. about one-quarter of the vessel's length from the stern N c. about one-third of the vessel's length from the bow N d. at the bow 4131: What is used when securing light vehicles aboard Ro-Ro vessels?
Y a. Buckle or ratchet tensioner N b. Chain N c. Wire N d. Manila rope 4186: How could lashing gear used aboard Ro-Ro vessels be stowed when not in use?
Y a. Drape along brackets N b. Leave in place while back loading cargo to save time N c. Hang vertically in the paint locker N d. All of the above 4248: Which of the following statements is/are TRUE regarding crane operations?
Y a. The crane operator and signalman must be familiar with hand signals. N b. The cranes can be operated from shoreside. N c. The cranes can be operated from the bridge. N d. All of the above 4263: Which statement(s) is/are TRUE concerning crane cargo operations?
N a. Lifting points on all equipment must be safely checked prior to commencing a lift. N b. Cargo loaded into vehicles and/or containers prior to lifting needs to be properly secured so as to prevent shifting during transport. N c. Never exceed crane manufacturer’s limits concerning the safe working loads of cargo jibs. Y d. All the above