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.
7: The mooring line labeled "F" is called a __________. (D044DG )
Y a. breast line N b. bow line N c. forward spring line N d. None of the above 49: Flammable liquid means any liquid which gives off flammable vapors at or below __________.
N a. 40°F (4.4°C) Y b. 80°F (26.7°C) N c. 110°F (43.3°C) N d. 150°F (65.6°C) 95: You should keep clear of __________.
Y a. any line under a strain N b. lines that are paying out N c. lines that are coiled down only N d. None of the above are correct 115: During the course of a voyage, a seaman falls on the main deck and injures his ankle. The Master should submit a Report of Marine Accident, Injury or Death if the __________.
N a. injury is the result of misconduct N b. injury results in loss of life only N c. injured need first aid Y d. injured is incapacitated 189: Reid vapor pressure is __________.
N a. exerted by liquid cargo on the sides of a tank N b. exerted by liquid cargo on a cargo hose body N c. the lowest temperature and pressure that will cause a flammable liquid to give off vapors Y d. a measurement of the amount of flammable vapors given off by a liquid at a certain temperature 191: An alien crewmember with a D-1 permit leaves the vessel in a U.S. port and fails to return. The first report you make should be to the __________.
N a. Customs Service Y b. Immigration Service N c. local police N d. OCMI 197: Serving is __________.
N a. marline or ratline wound along the grooves of a rope N b. narrow strips of light canvas or cotton cloth spiral-wrapped along the rope Y c. marline tightly wound on the rope by means of a board or mallet N d. a splice made by laying the strand of one rope into the vacated grooves of another rope 214: The helm command "meet her" means __________.
Y a. use rudder to check the swing N b. decrease the rudder angle which is on N c. steer more carefully N d. note the course and steady on that heading 299: Cargo transfer operations on a tank vessel need NOT be stopped when __________.
Y a. a tug comes alongside while the tanker is loading grade D and E cargoes N b. a large, fresh oil spill is discovered immediately adjacent to the side of the tanker N c. there is an electrical storm in the vicinity N d. there is a fire on the dock or on a nearby vessel 329: Litmus paste is used in order to determine __________.
N a. innage Y b. thievage N c. ullage N d. the tank's datum point 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 495: Which space(s) is (are) deducted from gross tonnage to derive net tonnage?
Y a. Boatswain's stores N b. Companions and booby hatches N c. Passenger spaces N d. All of the above 538: Using the graph shown, if the dry bulb temperature is 80°F (27°C) and the wet bulb temperature is 70°F (21°C), what is the relative humidity in a cargo hold? (D008DG )
N a. 45% N b. 52% Y c. 58% N d. 65% 594: A bollard is found on the __________.
N a. beach N b. deck Y c. pier N d. towed vessel 641: Which document shows the minimum required crew a vessel must have to navigate from one port in the United States to another?
N a. Articles Y b. Certificate of Inspection N c. Crew List N d. Register 780: Bilge keels are more effective at dampening rolls as the __________.
N a. pitching increases N b. list increases Y c. rolling increases N d. draft decreases 814: In the manufacture of line, plant fibers are twisted together to form __________.
N a. cable N b. line N c. strands Y d. yarns 958: You are in a tropical port. The refrigeration machinery on a container loaded with air-cooled fruit fails. It cannot be repaired for 18 to 24 hours. Which step should you take to reduce the temperature rise and spoilage of the fruit?
N a. Discharge a cylinder of nitrogen into the container Y b. Shade the container and periodically hose it down N c. Seal any ventilation openings and add dry ice N d. Spread ice over the top layer and in any voids within the container 986: When running before a heavy sea, moving weights aft will affect the handling of a vessel by __________.
N a. reducing rolling N b. increasing rolling Y c. reducing yawing N d. increasing yawing 997: When steering by hand, which of the following may be a functional input to the steering gear as a result of turning the wheel?
Y a. Non-followup N b. Rudder adjustment N c. Weather adjustment N d. All the above may be activated 1049: You have water washed your cargo tanks using the fixed machines. What should you do before using portable machines to clean areas screened from the wash of the fixed machine by structural members?
Y a. Ventilate the tank to eliminate any electrostatically charged mist. N b. Attach the water supply hose to the portable machine after the cleaning head is positioned inside the tank. N c. Insure that the tanks are not stripped until the final wash is started. N d. Ground the fixed machines to eliminate any electrostatic buildup on the cleaning head. 1211: When clearing a vessel for a foreign voyage, the original crew list is duly certified by proper authority. In a U.S. port, this authority is the U.S. __________.
N a. Coast Guard Y b. Customs N c. Immigration Service N d. Public Health Service 1282: When evacuating a seaman by helicopter lift, the vessel should be __________.
N a. stopped with the wind dead ahead N b. stopped with the wind on the beam Y c. underway with the wind 30° on the bow N d. underway on a course to provide no apparent wind 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 1481: A fire has damaged 20 bales of cotton on a freighter loaded with general cargo. This claim would come under __________.
N a. constructive total loss N b. general average Y c. particular average N d. total loss of a part 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 1613: Which splice should you use in order to make a permanent loop in a line?
N a. Back splice Y b. Eye splice N c. Long splice N d. Short splice 1628: You are going ahead on twin engines when you want to make a quick turn to port. Which actions will turn your boat the fastest?
Y a. Reverse port engine; apply left rudder N b. Reverse port engine; rudder amidships N c. Reverse starboard engine; apply left rudder N d. Reverse starboard engine; rudder amidships 1679: Manila slings should not be used to load __________.
N a. cotton N b. lumber Y c. steel N d. tires 1817: Refrigeration machinery is often surveyed before loading reefer cargo. This survey is usually performed by the __________.
N a. U.S. Coast Guard Y b. American Bureau of Shipping N c. National Cargo Bureau N d. local port authority 1856: When passing a hawser to the dock you would first use what line?
N a. Gantline Y b. Heaving line N c. Preventer N d. Warp 1873: How much weight can you lift by applying 100 lbs. of force to a twofold purchase rigged to disadvantage (do not consider friction)?
N a. 200 lbs. N b. 300 lbs. Y c. 400 lbs. N d. 500 lbs. 1926: How many tons of salt water can be loaded into a flat-ended cylindrical tank with a diameter of 5 feet and a length of 12 feet?
Y a. 6.73 T N b. 7.85 T N c. 13.46 T N d. 26.93 T 1949: Using a scope of 5, determine how many feet of cable you should put out to anchor in 5 fathoms of water.
N a. 100 feet Y b. 150 feet N c. 200 feet N d. 250 feet 1998: When towing in an open seaway, it is important to use a towing line __________.
N a. made only of wire rope, due to possible weather conditions N b. that will have the tow on a crest while your vessel is in a trough Y c. that will have the tow on a crest while your vessel is on a crest N d. with little dip to gain maximum control of the tow 2002: The structural member indicated by the letter K was fitted in segments between continuous longitudinals. It is known as which type of floor? (D033DG )
Y a. Intercostal N b. Open N c. Lightened N d. Non-watertight 2076: A person who sees someone fall overboard should __________.
N a. immediately jump in the water to assist the individual N b. go to the bridge for the distress flares N c. run to the radio room to send an emergency message Y d. call for help and keep the individual in sight 2129: The exact and complete identification of all cargo on board must be found on the __________.
Y a. Cargo Manifest N b. Mate's Receipt N c. Hatch Report N d. Loading List 2150: The vessel shown has broken down and you are going to take her in tow. The wind is coming from her starboard beam. You are making more leeway than she. Where should you position your vessel when you start running lines? (DO25DG )
Y a. A N b. B N c. C N d. D 2155: A case received for shipment has the markings shown. Each carton measures 13" X 15" X 23". What is the total cubic capacity the entire consignment will occupy if you assume 10% broken stowage? (D043DG )
N a. 779 cubic feet (22 cubic meters) Y b. 857 cubic feet (24 cubic meters) N c. 1047 cubic feet (30 cubic meters) N d. 112,125 cubic feet (3173 cubic meters) 2224: When improperly tied, which knot shown is called a granny or thief's knot? (D030DG )
N a. F N b. M N c. R Y d. W 2228: You have determined the maneuvering characteristics of your vessel by taking the radar ranges and bearings of an isolated light while making a turn. The results are listed. Based on this data what is the transfer for a turn of 60°? (D035DG )
Y a. 140 yards (126 meters) N b. 180 yards (162 meters) N c. 225 yards (203 meters) N d. 270 yards (243 meters) 2251: The letter I indicates the keel. Which of the following plates is NOT part of the keel? (D033DG )
N a. Center vertical keel N b. Rider plate Y c. Longitudinal girder N d. Flat plate keel 2253: What is the area of a circle with a radius of 17 feet after a sector of 57° has been removed?
Y a. 764.17 sq. ft N b. 190.66 sq. ft N c. 145.27 sq. ft N d. 36.85 sq. ft 2258: The knot lettered L in illustration DO30DG is a __________. (DO30DG )
N a. square knot Y b. double blackwall hitch N c. fisherman's bend N d. timber hitch 2365: A six-strand composite rope made up of alternate fiber and wire strands around a fiber core is called __________.
Y a. spring lay N b. lang lay N c. cable lay N d. alternate lay 2551: What welding pattern is NOT used to permanently attach a stiffener to a plate?
N a. Chain intermittent Y b. Tack N c. Continuous N d. Staggered intermittent 2566: The welds used to join shell plates in flush construction are known as __________.
Y a. butt welds N b. seam welds N c. fillet welds N d. continuous welds 2742: The internal volume of a cargo hold measured from the inside of the side shell, the underside of the deck, and the tank top is known as the __________.
N a. gross tonnage N b. deadweight space N c. measurement space Y d. grain cubic 2932: Which type of rudder may lose its effectiveness at angles of 10 or more degrees?
N a. Contra-guide Y b. Balanced spade N c. Unbalanced N d. Flat plate 3018: When turning a vessel in shallow water, which statement is TRUE?
N a. The rate of turn is increased. N b. The rate of turn is decreased. Y c. The turning diameter increases. N d. The turning diameter remains the same. 3044: When you have a tow alongside, your stern should extend aft of the tow in order to __________.
N a. avoid obscuring your stern light N b. provide a better lead for your lines Y c. obtain better steering control N d. let the barge deflect floating objects from your propeller 3044: When you have a tow alongside, your stern should extend aft of the tow in order to __________.
N a. avoid obscuring your stern light N b. provide a better lead for your lines Y c. obtain better steering control N d. let the barge deflect floating objects from your propeller 3050: Which characteristic is an advantage of a butterfly valve as compared to a gate valve?
N a. Precise control over cargo flow Y b. Quick operation N c. No resistance to cargo flow when open N d. Less maintenance required 3327: The upward slope of a vessels bottom from the keel to the bilge is called __________.
N a. camber N b. sheer N c. rake Y d. rise of bottom 3360: On a light tow, what could you substitute for a fishplate?
Y a. heart-shaped shackle N b. pelican hook N c. swivel N d. ring 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 3580: You are standing the wheelwatch on entering port and the Master gives you a rudder command which conflicts with a rudder command from the Pilot. What should you do?
Y a. Obey the Master. N b. Obey the Pilot. N c. Bring the rudder to a position midway between the two conflicting orders. N d. Ask the Pilot if he relinquishes control. 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 4161: 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 30 tons and 40 tons, when carried on Ro-Ro vessels?
N a. One N b. Two N c. Three Y d. Four