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 34: Your vessel has been loaded in a sagging condition. Enroute you encounter heavy weather and notice buckling in the midships deck plating of your vessel. To relieve the strain you could __________.
N a. pump fuel oil from midships to the ends of the vessel N b. reduce speed N c. take a course which most eases the vessel Y d. All of the above 45: Which shallow water effect will increase dramatically if you increase your ship's speed past its "critical speed"?
Y a. Squatting N b. Smelling the bottom N c. Sinkage N d. Bank cushion 83: The mooring line labeled "A" as shown is called a(n) __________. (D044DG )
Y a. offshore stern line N b. onshore stern line N c. after spring line N d. after breast line 109: What is meant by "thieving" a petroleum cargo?
N a. Adjusting the cargo figures to coincide with the draft Y b. Determining the amount of water (if any) in each cargo tank N c. Reducing the gross cargo calculations to net amounts N d. Siphoning off a few barrels of petroleum for shipboard use 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 153: The proper way to correct a mistake in the logbook is to __________.
N a. erase the entry and rewrite N b. draw several lines through the entry, rewrite, and initial the correction N c. completely black out the entry, rewrite, and initial the correction Y d. draw one line through the entry, rewrite, and initial the correction 157: The proper way to correct a mistake in the logbook is to __________.
Y a. draw a line through the entry, rewrite, and initial the correction N b. draw several lines through the entry, rewrite, and initial the correction N c. erase the entry and rewrite N d. completely black out the entry, rewrite, and initial the correction 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 252: You have orders to load cargoes of carbon disulfide, diisopropylamine and pyridine on your multi-product tankship. Which statement is true?
N a. Carbon disulfide may be carried in NOS. 1 and 2 center tanks and diisopropylamine in NOS. 1 and 2 wing tanks. Y b. Pyridine and diisopropylamine may not be carried in tanks having a common header vent. N c. Pyridine must be separated from carbon disulfide by two barriers (cofferdams, voids, empty tanks, etc.). N d. A tank of diisopropylamine may be used to separate a tank of pyridine from a tank of carbon disulfide. 270: The disadvantage of using a heaving line to pass a towline is that __________.
N a. it increases the likelihood of collision between the towing vessel and the disabled vessel Y b. recreational boaters tend to make the heaving line fast to the towed vessel as if it were the towline N c. the monkey fist may injure someone N d. it may reduce the catenary and increase yawing 427: What is the greatest danger of an overriding tow?
N a. Fouling of the towing hawser N b. Loss of steering N c. Tripping Y d. Collision between the tow and the stern of the towing vessel 539: Which type of shackle is used for most towing connections?
Y a. Safety shackles N b. Round pin anchor shackles N c. Screw pin shackles N d. Heart shaped shackles 622: A predictable result of a vessel nearing a bank or edge of a channel is that the __________.
Y a. stern is drawn to the bank as the bow sheers off N b. bow sheers toward the bank N c. vessel continues in a straight line, but with greatly reduced maneuverability N d. vessel will be drawn bodily into the bank unless the engines are stopped 661: The number of certificated lifeboatmen required for a vessel is found on the __________.
Y a. Certificate of Inspection N b. Muster List ("Station Bill") N c. lifeboats N d. Register or Enrollment 689: When your tug reduces speed to shorten tow, the __________.
N a. length of the tow gets shorter as the strain is reduced N b. tow may continue its momentum and overtake the tug N c. towing hawser may drag the bottom and put the tug in irons Y d. All of the above 693: The effect of excessive catenary in shallow water may be __________.
N a. dragging the towing hawser along the bottom and chafing it N b. snagging sunken or submerged objects N c. slowing, stopping or endangering the towing operation by placing the tug in irons Y d. All of the above 754: Which method is used to detect rot in manila lines?
N a. Feeling the surface of the line for broken fibers N b. Measuring the reduction in circumference of the line N c. Observing for the appearance of mildew on the outer surface Y d. Opening the strands and examining the inner fibers 836: River currents tend to __________.
N a. pick up speed where the channel widens N b. run slower in the center of the channel N c. hug the inside of a bend Y d. cause the greatest depth of water to be along the outside of a bend 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 917: What is the period of validity of a Safety Management Certificate?
Y a. 60 months N b. 48 months N c. 42 months N d. 36 months 940: When selecting the fuel oil tanks for the "burn-out" of bunkers during a voyage consideration of all of the following must be taken with the EXCEPTION of __________.
Y a. flashpoint N b. stability N c. trim N d. list 962: You are the person in charge of a 199-GT uninspected towing vessel engaged in towing from New York to Mexico and then returning, a distance in excess of 600 miles. Which statement is FALSE?
Y a. The crew members are required to sign articles. N b. All deck crew members are to have a Merchant Mariner's Document. N c. Able seamen are required in the deck crew. N d. The sailors shall be divided into three watches. 1011: After your vessel has been involved in a casualty, you are required to make your logbooks, bell books, etc., available to __________.
N a. attorneys for opposition parties N b. marine surveyors Y c. U.S. Coast Guard officials N d. All of the above 1087: The turning circle of a vessel is the path followed by the __________.
Y a. center of gravity N b. outermost part of the ship while making the circle N c. bow N d. tipping center 1108: In which casualty case is it UNNECESSARY to notify the local Coast Guard Marine Safety Office?
N a. A seaman is injured and in the hospital for four days. N b. Nylon mooring line parts while the vessel is tied up and kills a harbor worker who was on the pier. N c. Your vessel is backing from a dock and runs aground, but is pulled off by tugs in 30 minutes. Y d. Your vessel strikes a pier and does $1,500 damage to the pier but none to the vessel. 1143: When rigging a stage, the standing part should be fastened to the horns of a stage with which of the following hitches?
N a. Clove hitch N b. Timber hitch Y c. Marlinespike hitch N d. Double blackwall hitch 1157: What is a correct reply to a pilot's request, "How's your head"?
N a. "Steady" Y b. "Passing 150°" N c. "Checked" N d. "Eased to 5° rudder" 1192: A person has fallen overboard and is being picked up with a lifeboat. If the person appears in danger of drowning, the lifeboat should make __________.
N a. an approach from leeward N b. an approach from windward Y c. the most direct approach N d. an approach across the wind 1375: A chain stripper is used to __________.
Y a. prevent chain from clinging to the wildcat N b. clean the marine debris from the chain N c. flake chain from a boat's chain locker N d. clean chain prior to an x-ray inspection 1465: The maneuver which will return your vessel in the shortest time to a person who has fallen overboard is __________.
N a. engine(s) crash astern, no turn Y b. a single turn with hard rudder N c. a Williamson Turn N d. two 180° turns 1474: To find the distance the strands should be unlaid for an eye splice, multiply the diameter of the wire in inches by __________.
N a. 12 N b. 24 Y c. 36 N d. 48 1574: Wire rope is galvanized to __________.
Y a. protect it from corrosion due to contact with saltwater N b. make it bend more easily N c. increase its strength N d. increase its circumference 1739: If two falls are attached to lift a one-ton load, what angle between the falls will result in the stress on each fall being equal to the load being lifted?
N a. 60° N b. 75° Y c. 120° N d. 150° 1753: To reeve a right-angle threefold purchase start with the __________.
N a. left sheave bottom block N b. left sheave top block Y c. middle sheave top block N d. right sheave bottom block 1786: You are anchoring in a river where the current is from one direction only. The best way to lay out two anchors is to have them __________.
N a. directly in line with the bow N b. side by side, with their lines on the port and starboard side Y c. so that their lines form an angle N d. on top of one another 1886: The knot lettered R is a __________. (DO30DG )
Y a. double becket bend N b. bowline N c. fisherman's bend N d. round turn and two half hitches 2030: Safety equipment on board vessels must be approved by the __________.
Y a. U.S. Coast Guard N b. Safety Standards Bureau N c. Occupational Safety and Health Administration (OSHA) N d. National Safety Council 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 2064: While underway in thick fog you are on watch and hear the cry "man overboard". Which type of maneuver should you make?
N a. figure eight turn N b. Round turn N c. Racetrack turn Y d. Williamson turn 2123: Your vessel is required to have a slop chest. Which of the following articles is NOT required by law to be carried in the slop chest?
N a. Foul weather clothing Y b. Candy N c. Tobacco products N d. Blankets 2190: What is the name of tackle number 3? (DO29DG )
N a. 1-2 purchase N b. Gun tackle Y c. Single luff tackle N d. Double whip 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 2463: The crane manufacturer's load chart should be posted at or near the __________.
N a. crane pedestal N b. wire rope locker N c. main deck Y d. crane control console 2474: Generally speaking, the more destructive storms occurring on the Great Lakes usually come from the __________.
N a. northeast or east Y b. southwest or west N c. northwest or north N d. southeast or south 2474: Generally speaking, the more destructive storms occurring on the Great Lakes usually come from the __________.
N a. northeast or east Y b. southwest or west N c. northwest or north N d. southeast or south 2554: The welds used to attach stiffeners to a plate are known as __________.
N a. butt welds N b. seam welds Y c. fillet welds N d. plate welds 2859: An icebreaker assisting a vessel through an ice field would display a visual signal consisting of the code letter "M" (Mike) to signify that "________________".
N a. I am altering my course to starboard N b. I am altering my course to port N c. I am operating astern propulsion Y d. my vessel is stopped and making no way through the water 2890: A vessel cannot comply with all of the SOLAS requirements due to its construction. Where will this be indicated?
N a. Nowhere; the vessel must comply to engage in international trade. N b. On the reverse of the SOLAS certificate Y c. On the Exemption Certificate N d. On the Certificate of Inspection 2930: A large vessel is equipped with a controllable pitch propeller. Which statement is TRUE?
Y a. When dead in the water, it is often difficult to find the neutral position and slight headway or sternway may result. N b. When going directly from full ahead to full astern, there is complete steering control. N c. When the vessel has headway and the propeller is in neutral, there is no effect on rudder control. N d. When maneuvering in port, full ahead or astern power can usually be obtained without changing shaft RPM. 2988: You are mooring to a buoy. You should approach the buoy with the current from __________.
Y a. ahead N b. broad on the bow N c. abeam N d. astern 3234: Rolling is angular motion of the vessel about what axis?
Y a. Longitudinal N b. Transverse N c. Vertical N d. Centerline 3328: The vertical motion of a floating vessel is known as __________.
N a. surge N b. sway Y c. heave N d. yaw 3516: The signal man has both arms extended out, palms down, and is moving his arms back and forth. This is the signal for __________.
N a. keep lifting N b. swing right N c. swing left Y d. emergency stop 3662: Unless extremely flexible wire rope is used, the sheave diameter should always be as large as possible, but should never be less than __________.
Y a. 20 times the rope diameter N b. 10 times the rope diameter N c. 2 times the rope diameter N d. the rope diameter 3982: Fairleads perform the same function as __________.
N a. deadeyes N b. bollards N c. bitts Y d. chocks 4029: Which statement is TRUE concerning toluene?
N a. Its Reid Vapor Pressure is 9.4. N b. The boiling point is 174°F. Y c. It is an aromatic hydrocarbon. N d. It is classified as a grade A flammable liquid. 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 4277: Which wire rope purchases may be used with a 30-ton pedestal crane?
N a. Hoist N b. Luff N c. Rider block Y d. All of the above