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.
4: Considering manning requirements for US flag vessels, your 2 watch cargo vessel has a deck crew of 20 people, exclusive of officers. How many of these people do the manning regulations require to be able seamen?
N a. 13 Y b. 10 N c. 7 N d. 5 112: You start a centrifugal cargo pump to discharge cargo. The pump works for a while and then loses suction. This could NOT be caused by __________.
N a. leaking shaft seals N b. air pockets in the liquid Y c. high cargo level in the tanks N d. a leaking suction line 187: You are standing the wheel watch on entering port and the Master gives you a rudder command which conflicts with a rudder command from the Pilot. What should you do?
N a. Ask the Pilot if he relinquishes control. N b. Obey the Pilot. Y c. Obey the Master. N d. Bring the rudder to a position midway between the two conflicting positions. 546: A twin-screw ship going ahead on the starboard screw only tends to move __________.
N a. in a straight line Y b. to port N c. from side to side N d. to starboard 563: While the Pilot is maneuvering the vessel to a dock, what is the PRIMARY responsibility of the watch officer?
N a. Supervise the signaling and flag etiquette. N b. Record the bells and their times in the bell book. Y c. Insure that helm and throttle orders given by the Pilot are correctly executed. N d. Judge the appropriateness of the Pilot's orders and countermand them if necessary. 601: Your vessel has completed an inspection for certification and is issued a temporary certificate. This __________.
N a. expires six months after it is issued N b. must be exchanged for a regular Certificate of Inspection before going foreign or out of state Y c. has the full force of a regular Certificate of Inspection N d. must be posted in the vicinity of the officers' licenses 636: The use of an anchor to assist in turning in restricted waters is __________.
N a. a last resort Y b. good seamanship N c. the sign of a novice shiphandler N d. to be used only with a single-screw vessel 659: You are planning to use the crude oil washing system on your tankship. What is required to prevent electrostatic buildup in the tanks?
N a. The portable machines must be set at the proper drop for the first wash before the fixed machines are used. Y b. The source tank for the tank cleaning machines must have least one meter decanted from it. N c. The inert gas system must reduce the oxygen content in the tanks to a maximum of 18%. N d. The fixed machines must be operated simultaneously with the portable machines to equalize the electrostatic potential. 703: The operator of an uninspected vessel MUST assist people affected by an accident if he or she can do so without __________.
Y a. serious danger to his or her own vessel N b. further damaging the other vessel N c. undue delay N d. creating a panic on either vessel 746: Which effect does speed through the water have on a vessel which is underway in shallow water?
N a. A decrease in the speed results in a decrease in steering response and maneuverability. Y b. An increase in speed results in the stern sucking down lower than the bow. N c. An increase in speed results in the vessel rising on an even plane. N d. A decrease in speed results in the vessel sucking down on an even plane. 821: The Master must maintain the Oil Record Book on board for at least __________.
N a. 1 month N b. 12 months N c. 24 months Y d. 36 months 883: The size and material used for towline(s) must meet all of the following requirements, EXCEPT ____________ .
N a. be appropriate to the vessel's horsepower or bollard pull N b. be strong enough to handle any static or dynamic loads expected during its service life Y c. fit any spare wire clips carried on board the vessel for repair purposes N d. be suitable for exposure to the marine environment 922: You are on watch at sea at night, and a fire breaks out in #3 hold. What would you NOT do immediately?
N a. Shut down the cargo hold ventilation. N b. Sound the fire alarm signal to rouse out all hands. N c. Call the Master. Y d. Proceed to the space and inspect the extent of the fire. 959: A relief valve for a cargo pump is generally installed __________.
N a. after the discharge valve Y b. between the pump and discharge valve N c. after the suction valve N d. between the pump and suction valve 978: Anyone voluntarily surrendering their license to a U.S. Coast Guard investigating officer signs a statement indicating that __________.
N a. all title to the license is given up for 5 years Y b. their rights to a hearing are waived N c. they may be issued a new license in 5 years after passing another written examination N d. All of the above 980: The perforated, elevated bottom of the chain locker, which prevents the chains from touching the main locker bottom and allows seepage water to flow to the drains, is called a __________.
N a. cradle N b. draft N c. harping Y d. manger 1052: A term used to describe the dip in a towline that acts as a shock absorber is __________.
Y a. catenary N b. step N c. shock dip N d. bight 1196: You are landing a single-screw vessel, with a right-hand propeller, starboard side to the dock. When you have approached the berth and back the engine, you would expect the vessel to __________.
N a. lose headway without swinging Y b. turn her bow toward the dock N c. turn her bow away from the dock N d. head into the wind, regardless of the side the wind is on 1203: Under defense plans, operation of electronic aids may be temporarily suspended with __________.
N a. one day's notice Y b. no notice N c. thirty (30) day's notice N d. a week's notice 1217: The proper way to correct a mistake in the logbook is to __________.
N a. erase the entry and rewrite Y b. draw a line through the entry, rewrite, and initial the correction N c. draw several lines through the entry, rewrite, and initial the correction N d. completely black out the entry, rewrite, and initial the correction 1222: Who certifies the safe working load of cargo cranes on a vessel?
Y a. American Bureau of Shipping N b. National Cargo Bureau N c. U.S. Coast Guard N d. None of the above 1316: The anchor chain should be kept moderately taut during a Mediterranean moor to __________.
N a. facilitate speed of recovery during the weighing process N b. indicate the anchor's location to passing or mooring ships Y c. prevent damage to the stern in the event of a headwind N d. provide a steady platform for the gangway between the fantail and pier 1350: A deck beam does NOT __________.
N a. act as a beam to support vertical deck loads Y b. lessen the longitudinal stiffness of the vessel N c. act as a tie to keep the sides of the ship in place N d. act as a web to prevent plate wrinkling due to twisting action on the vessel 1472: Which knot represents a single becket bend? (DO30DG )
N a. E N b. F N c. G Y d. H 1503: Which knot should be used to send a man over the side when he may have to use both hands?
N a. Bowline Y b. French bowline N c. Bowline on a bight N d. Running bowline 1537: Which is NOT a potential hazard of approaching close to an iceberg?
Y a. The brash ice in the vicinity may clog sea intakes. N b. The berg may calve with the bergy bit hitting the vessel. N c. There may be underwater rams extending out from the berg. N d. The berg may suddenly tilt or capsize due to uneven melting and hit the vessel. 1550: Keel scantlings of any vessel are greatest amidships because __________.
N a. connections between forebody and afterbody are most crucial Y b. of maximum longitudinal bending moments N c. of severest racking stresses N d. resistance to grounding is at a maximum amidships 1639: All wire rope used in shipboard cargo gear must be identified and described in a certificate. The certificate shall certify all of the following EXCEPT the __________.
N a. date of the test N b. load at which a test sample broke Y c. name of the vessel N d. number of strands and of wires in each strand 1647: Under Naval Control of Shipping who is responsible for routing and diverting ships and convoys?
N a. The Maritime Defense Zone Sector Y b. The Operational Control Authority N c. The National Shipping Authority N d. Any Navy Command 1683: "Herringbone" is a term associated with __________.
N a. anchoring N b. mooring Y c. sewing N d. splicing 1818: When comparing twin screw tug to single-screw tugs, which statement about a twin-screw tug is FALSE?
N a. If one engine fails, you do not lose control of the tow. N b. It is more maneuverable. Y c. It develops more bollard pull for the same horsepower. N d. It is generally subject to more propeller damage from debris in the water. 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 1852: What is normally used to pass a mooring line to a dock?
N a. Distance line N b. Gantline Y c. Heaving line N d. Tag line 1870: The knot lettered S is a __________. (DO30DG )
N a. bowline Y b. blackwall hitch N c. half hitch N d. hook hitch 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. 1939: You are on a vessel that has broken down and are preparing to be taken in tow. You will use your anchor cable as part of the towline. Which statement is TRUE?
N a. The anchor cable should be veered enough to allow the towline connection to be just forward of your bow. N b. The anchor cable should be veered enough to allow the towline connection to be immediately astern of the towing vessel. Y c. The strain of the tow is taken by the riding pawl, chain stopper, and anchor windlass brake. N d. The anchor cable should be led out through a chock, if possible, to avoid a sharp nip at the hawsepipe lip. 1956: Which lien against a vessel would be settled FIRST?
N a. Maintenance and cure N b. Vessel mortgage Y c. Salvage lien N d. Ship repairer's lien 1975: The knot lettered F in illustration DO30DG is a __________. (DO30DG )
N a. becket bend N b. square knot N c. fisherman's bend Y d. round turn and two half hitches 2089: In addition to the load lines indicated in illustration D003DG, some vessels have a Winter North Atlantic line. Which statement about this load line mark is TRUE?
N a. It is carried on VLCC/ULCC type vessels and allows reduced freeboard considering their size. N b. It is marked above line B in the diagram. N c. It is applied to vessels on restricted trade routes between the United Kingdom, Iceland, and Northern European countries. Y d. It applies only to vessels not exceeding 328 ft. navigating in the Winter North Atlantic zones. 2116: What is the name of tackle number 10 in illustration DO29DG? (DO29DG )
N a. Two-two purchase N b. Deck purchase Y c. Two-fold purchase N d. Double runner 2208: Under normal weather and sea conditions when securing a stack of containers with twist locks, lashings are required when the tier exceeds what height?
N a. Lashings are always required N b. One container Y c. Two containers N d. Three containers 2215: Given a dry bulb temperature of 78°F and wet bulb temperature of 66.5°F, the dew point is __________.
N a. 47.0°F N b. 51.5°F Y c. 59.0°F N d. 70.0°F 2257: "Cribbing" is __________.
Y a. wooden blocks or dunnage placed between a deck load and the deck N b. the chains and shackles used to secure a deck cargo N c. a crate in which a deck cargo is packaged N d. cardboard separation pieces placed between deck loads to prevent chafing 2280: You are conducting trials to determine the maneuvering characteristics of your vessel. While making a turn, you take ranges and bearings of an isolated light with the results as shown. Based on this information, what is the advance for a turn of 45°? (D034DG )
N a. 590 yards N b. 635 yards Y c. 690 yards N d. 740 yards 2280: You are conducting trials to determine the maneuvering characteristics of your vessel. While making a turn, you take ranges and bearings of an isolated light with the results as shown. Based on this information, what is the advance for a turn of 45°? (D034DG )
N a. 590 yards N b. 635 yards Y c. 690 yards N d. 740 yards 2321: Your vessel has run aground and is touching bottom for the first one-quarter of its length. What is the LEAST desirable method from the standpoint of stability to decrease the bottom pressure?
N a. Discharge forward deck cargo. Y b. Pump out the forepeak tank. N c. Shift deck cargo aft. N d. Flood an after double-bottom tank. 2388: What is the area of a circle with a diameter of 4 feet after a sector of 120° has been removed?
N a. 2.67 square ft. N b. 4.19 square ft. Y c. 8.38 square ft. N d. 10.67 square ft. 2510: Mooring lines should be turned end-for-end occasionally. This is because __________.
N a. a line is weakened by constantly pulling on it in one direction Y b. normal wear on the line is thus distributed to different areas N c. it prevents the line from kinking or unlaying N d. it prevents permanent misalignment of the line's internal strands 2602: As you hold a piece of manila line vertically in front of you, the strands run from the lower right to the upper left. Which type of line is this?
N a. Plain-laid N b. Shroud-laid Y c. Left-hand laid N d. Water-laid 2785: You are proceeding under NCS (Naval Control of Shipping) and wish to send a message by rapid transmission which does not require a higher precedence. Which precedence would you assign this message?
N a. P (PRIORITY) Y b. R (ROUTINE) N c. O (IMMEDIATE) N d. Z (FLASH) 2909: A mechanical davit is designed to automatically __________.
N a. position the boat at the embarkation station Y b. lift the boat off the inboard chocks N c. energize the winch for the falls N d. set the brake on the winch 3150: You are moving a gas free tank barge to dry dock for repairs. The barge must have onboard a valid __________.
N a. Gas Free Certificate Y b. Certificate of Inspection N c. Permit to Proceed and Hot Work Permit N d. All of the above 3168: Which item is rigged to transmit the thrust from one barge to another when backing down? (D024DG )
N a. I N b. H Y c. C N d. B 3324: What descriptive term indicates that the dimension is measured from the inner face of the shell or deck plating?
Y a. Molded N b. Register N c. Tonnage N d. Effective 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 4026: One of the greatest hazards of pushing ahead is parting which item shown? (D024DG )
N a. A N b. B N c. F Y d. I 4146: Which of the following tensioning devices is used with webbing to secure light vehicles aboard Ro-Ro vessels?
N a. Chain lever Y b. Buckle tensioner N c. Adjust-a-matic tensioner N d. Turnbuckle 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 4160: According to the IMO Code, what are the minimum number of securing points that should be on each side of a "road vehicle", whose gross vehicle mass is between 20 tons and 30 tons, when carried on Ro-Ro vessels?
N a. One N b. Two Y c. Three N d. Four 4270: Which immediate action should the operator of a pedestal crane take if crane control is lost?
Y a. Let go of both control levers and return to neutral position. N b. Call the engine room. N c. Disconnect the power to the pedestal. N d. Call the electrician.