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.
9: Defense plans may cause the operation of electronic aids to navigation to be suspended with __________.
Y a. no notice N b. one day's notice N c. a week's notice N d. thirty (30) days notice 97: Chafing gear should be placed __________.
Y a. at all wearing points of mooring lines N b. at the bitter ends of all standing rigging N c. around running rigging N d. on wire rope only 133: The standard unit of liquid volume used in the petroleum industry, as well as the tanker industry, is a __________.
Y a. barrel N b. drum N c. gallon N d. liter 165: You must notify the nearest Coast Guard Marine Safety Office as soon as possible after your vessel has been damaged in excess of __________.
Y a. $25,000 N b. $10,000 N c. $1,500 N d. $1,000 208: Your vessel has been damaged and you must shore a bulkhead. You should cut the shore __________.
N a. approximately 1/2 inch longer than the measured length to allow for trimming Y b. approximately 1/2 inch shorter than the measured length to allow for wedges N c. approximately 1/2 inch shorter per foot of shoring to allow for wet expansion N d. to the same length as the measured length 218: What is the main purpose of dunnage?
N a. To act as ballast for light vessels Y b. To provide ventilation and drainage for cargo N c. To secure the tarpaulins in place N d. To support weakened bulkheads 222: A lot of special cargo of similar cartons, as shown, is to be loaded. What is the weight of the consignment? (D042DG )
N a. 50 pounds N b. 1100 pounds N c. 1200 pounds Y d. 1250 pounds 244: "Hard right rudder" means __________.
Y a. put the rudder over to the right all the way N b. jam the rudder against the stops N c. meet a swing to the right, then return to amidships N d. put the rudder over quickly to 15° right rudder 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 293: Which space(s) is(are) NOT exempt when measuring gross tonnage?
N a. Auxiliary machinery spaces above the deck N b. Steering gear room Y c. Cargo holds N d. Galley in a deckhouse 340: Argon is classified as a __________.
N a. corrosive N b. flammable gas N c. flammable liquid Y d. nonflammable gas 463: A tow span __________.
N a. prevents the towing hawser from snagging any equipment or gear on deck N b. may be equipped with a greased, free sliding spool to fairlead the towing hawser N c. allows the crew access to the fantail and to move safely on deck aft of the towing bitts or winch Y d. All of the above 496: Your twin-screw vessel is moving ASTERN with rudders amidships. The starboard screw suddenly stops turning. Your vessel's head will __________.
Y a. go to port N b. go to starboard N c. remain stationary N d. suddenly drop down 547: Where is an intermediate spring or surge line placed in the towing hookup?
Y a. Connected between the main towing hawser and the towing bridle N b. Connected between the "H" towing bitts and the main towing hawser N c. End of line fastened directly to the drum of the towing winch N d. As both legs of the towing bridle 556: You may BEST turn a twin-screw vessel about, to the right, in a narrow channel by using __________.
N a. both engines ahead and helm N b. one engine only Y c. port engine ahead and the starboard engine astern N d. both engines astern and use helm 573: An ocean towing bridle whose legs are of equal length, but too short, may __________.
Y a. fail to provide spring in the hawser N b. cause unequal distribution of the load to one leg N c. cause the bridle legs to jump clear of the chocks or fairleads N d. None of the above 582: In illustration D044DG, the mooring line labeled "E" is called a(n) __________. (DO44DG )
N a. after spring line Y b. bow spring line N c. forward breast line N d. bow line 680: You must medevac a critically injured seaman by helicopter hoist. Which statement is TRUE?
N a. The ship's relative wind should be from dead ahead at 10 to 30 knots. Y b. The deck crew at the hoist point should not wear baseball hats. N c. The helicopter's drop line should be secured to the ship not more than 15 feet from the hoist position. N d. When using a "horse collar", the bight of the loop should be around the chest of the injured seaman. 735: A heavy steel curved arch constructed athwartships and above the after deck on a towing vessel is sometimes called a __________.
N a. main brace Y b. tow span N c. jockey bar N d. None of the above 770: The ratio of the height of a vessel's rudder to its width is referred to as the __________.
Y a. aspect ratio N b. constriction ratio N c. rudder ratio N d. steering ratio 776: In most cases, when a large merchant vessel enters shallow water at high speed the __________.
N a. maneuverability will increase N b. speed will increase Y c. bow will squat farther than the stern N d. vessel will rise slightly, on a level plane 813: The Officers Competency Certificates Convention of 1936 applies to all of these vessels operating seaward of the boundary line EXCEPT a/an ___________ .
N a. offshore supply vessel over 200 gross tons N b. passenger vessel of 295 gross tons Y c. uninspected towing vessel of less than 200 gross tons N d. inspected towing vessel of 305 gross tons 856: A wedge of water building up between the bow and nearer bank which forces the bow out and away describes __________.
Y a. bank cushion N b. bank suction N c. combined effect N d. bend effect 952: 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. N b. Pyridine and diisopropylamine may be carried in tanks having a common header vent. Y c. Pyridine need not be separated from carbon disulfide by two barriers (cofferdams, voids, empty tanks, etc.). N d. A tank of carbon disulfide may be used to separate a tank of pyridine from a tank of diisopropylamine. 963: You are the person in charge of a 199-GT uninspected towing vessel engaged in towing from Galveston to Savannah and then returning, a distance in excess of 600 miles. Which statement is FALSE?
N a. The sailors shall be divided into three watches. N b. All deck crew members are to have a Merchant Mariner's Document. N c. Able seamen are required in the deck crew. Y d. The crew members are NOT required to sign articles. 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 1085: Which of the following statements concerning the rigging of bosuns' chairs and their use is TRUE?
N a. Always secure the gantline to the chair with a bowline. N b. Always have the chair hoisted with at least three turns on a winch drum. Y c. Any tools, paint pots etc. should be secured by lanyards. N d. When riding a stay, make sure that the bow of the shackle passes through the becket of the bridle. 1175: You have arrived at your anchorage location. You have put the engines astern prior to letting go the anchor. How will you know when the vessel has stopped making way?
N a. The ship's Doppler log reads zero Y b. The backwash of the propeller reaches amidships N c. An azimuth bearing on the beam remains steady N d. All of the above 1346: The best method of determining if a vessel is dragging anchor is to note __________.
N a. the amount of line paid out N b. how much the vessel sheers while at anchor N c. any change in the tautness of the anchor chain Y d. changes in bearings of fixed objects onshore 1374: Which type of stopper should be used to stop off wire rope?
Y a. Chain N b. Manila N c. Polypropylene N d. Wire 1560: Which arrangement of shell plating is used most in modern shipbuilding?
N a. Clinker Y b. Flush N c. In-and-Out N d. Joggled 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 1668: Your ship is steaming at night with the gyro-pilot engaged. You notice that the vessel's course is slowly changing to the right. Which action should you take FIRST?
N a. Notify the engine room of the steering malfunction. Y b. Change to hand steering. N c. Call the Master. N d. Send the Quartermaster to the emergency steering station. 1784: The "rolling hitch" could be used to __________.
N a. join two lines of different sizes N b. join two lines of equal sizes N c. add strength to a weak spot in a line Y d. act as a stopper to transfer a line under strain 1814: In illustration D044DG, the mooring line labeled "D" is called a(n) __________. (DO44DG )
N a. stern line N b. forward spring line N c. waist breast line Y d. after spring line 1858: The easiest way to anchor a vessel in a current is to __________.
N a. stem the current and make very slow headway when the anchor is dropped Y b. stem the current and be falling aft very slowly when the anchor is dropped N c. stem the current and endeavor to make neither headway nor sternway when the anchor is dropped N d. stop all headway through the water and keep the current astern when the anchor is dropped 2011: The structural member indicated by the letter K is a __________. (D033DG )
N a. longitudinal frame N b. stringer N c. girder Y d. floor 2061: A sheave is a __________.
Y a. grooved wheel in a block N b. line to hold a lifeboat next to the embarkation deck N c. partial load of grain N d. seaman's knife 2144: "Hard right rudder" means __________.
N a. jam the rudder against the stops N b. put the rudder over quickly to 15 degrees right rudder N c. meet a swing to the right, then return to amidships Y d. put the rudder over to the right all the way 2144: "Hard right rudder" means __________.
N a. jam the rudder against the stops N b. put the rudder over quickly to 15 degrees right rudder N c. meet a swing to the right, then return to amidships Y d. put the rudder over to the right all the way 2162: A crew has signed on for a 3-month voyage. Fourteen days into the voyage a seaman is improperly discharged at the first port of call. How much pay is he entitled to receive?
N a. 14 days N b. 1 month's Y c. 14 days and one month's extra N d. double wages (28 days) 2242: What is the area of a circle with a radius of 21 feet after a sector of 120° has been removed?
N a. 115.45 sq. ft N b. 230.91 sq. ft N c. 461.81 sq. ft Y d. 923.63 sq. ft 2262: Which statement about the carriage of solid hazardous materials in bulk is TRUE?
N a. A special permit issued by the Coast Guard is required before the cargo is loaded. Y b. The loading of the cargo must be conducted under the direction and observation of a person employed or assigned for that purpose. N c. A certificate issued by ABS will be accepted as evidence that the vessel complies with all applicable loading regulations. N d. The shipping papers must indicate the primary hazardous characteristic or property of the material. 2286: Cargo that is highly susceptible to damage by tainting from odorous cargo is called __________.
N a. clean cargo Y b. delicate cargo N c. dry cargo N d. immune cargo 2400: The turning circle of a vessel is the path followed by the __________.
N a. bow N b. outermost part of the ship while making the circle Y c. center of gravity N d. tipping center 2455: The boom indicator on a crane will indicate the __________.
N a. length of the boom Y b. angle of the boom N c. lifting capacity of the boom N d. direction of the boom 2455: The boom indicator on a crane will indicate the __________.
N a. length of the boom Y b. angle of the boom N c. lifting capacity of the boom N d. direction of the boom 2533: You should attach a towline to a trailer eye bolt using a(n)______________.
N a. eye splice Y b. bowline N c. towing hitch N d. square knot 2550: When a small craft's anchor fouls in a rocky bottom, the first attempt to clear it should be made by __________.
N a. hauling vertically on the line N b. making the line fast to the bitt and bringing the vessel further forward Y c. reversing the angle and direction of pull, with moderate scope N d. increasing the scope and running slowly in a wide circle with the anchor line taut 2593: On a transpacific voyage, you receive a message from your vessel's operators saying that your vessel has been consigned to voluntary Naval Control of Shipping. Further information is contained in __________.
N a. the Light List Y b. Radio Aids to Navigation (PUB 117) N c. the International Code of Signals (PUB 102) N d. the Coast Pilot 2716: A channel is stated as having a controlling depth of 38 feet. Which statement is TRUE?
N a. At least 80% of the channel is cleared to the charted depth. N b. At least 50% of the channel is cleared to the charted depth. Y c. 100% of the channel width is clear to 38 feet. N d. The sides of the channel conform to at least 50% of the controlling depth. 2722: "Limber" is a term associated with __________.
N a. emergency gear Y b. drainage N c. deck cargo storage N d. securing gear 2888: The Coordinator Surface Search in a SAR situation should display by day __________.
Y a. the code flags FR N b. a black ball over a black diamond shape N c. code flag Quebec over a black ball N d. two black diamond shapes in a vertical line 3085: Naval Control of Shipping (NCS) publications should be __________.
N a. in the Master's custody N b. safely stowed N c. turned over to the relieving Master Y d. All of the above 3436: The signal man assisting the crane operator has one hand occupied and one fist in front of his chest with the thumb pointing outward and is tapping his chest with the heel of his fist. This is the signal to __________.
N a. extend the boom N b. lower the boom Y c. retract the boom N d. hoist the boom 3576: Heave is motion along the __________.
N a. longitudinal axis N b. transverse axis Y c. vertical axis N d. centerline axis 4128: Which of the following lashing materials would be used in securing heavy vehicles aboard Ro-Ro vessels?
Y a. Chain lever or turnbuckle N b. Webbing N c. Buckle or ratchet tensioner N d. All of the above 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 4178: Which of the following actions are stated in the correct order prior to loading or discharging cargo on a Ro-Ro vessel?
Y a. Lower the stern ramp, raise/open the stern door, turn on ventilation for cargo holds N b. Turn on ventilation for cargo holds, raise/open the stern door, lower the stern ramp N c. Turn on ventilation for cargo holds, lower the stern ramp, raise/open the stern door N d. Raise/open the stern door, lower the stern ramp, turn on ventilation for cargo holds 4207: Which piece of equipment is required to "twin-up" 30-ton pedestal cranes aboard a crane vessel?
N a. Portable power swivel N b. 20-foot container spreader N c. 40-foot container spreader Y d. None of the above