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.
104: You are on watch at sea at night when a fire breaks out in #3 hold just forward of the bridge. You would NOT __________.
N a. call the Master Y b. proceed to the space and inspect the extent of the fire N c. shut down the cargo hold ventilation N d. sound the fire alarm signal to roust out all hands 136: Under the federal regulations, what minimum level of Blood Alcohol Content (BAC) constitutes a violation of the laws prohibiting Boating Under the Influence of Alcohol (BUI) on commercial vessels?
N a. .18% BAC N b. .10% BAC N c. .06% BAC Y d. .04% BAC 169: The lowest temperature at which a liquid will give off sufficient vapors to form a flammable mixture with air is known as the __________.
N a. fire point Y b. flash point N c. lower explosive limit N d. threshold limit value 184: You are standing look-out duty at night. A dim light on the horizon will be seen quickest by looking __________.
N a. at an area just a little below the horizon N b. at the horizon, where the sky and water appear to meet Y c. a little above the horizon N d. well below the horizon 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 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. 408: What is the meaning of the term tare weight?
N a. Pounds of force necessary to damage a container N b. Total weight of a container and contents Y c. Weight of a container N d. Weight of the contents of a container 424: Faking a line means to __________.
Y a. arrange it on deck in long bights N b. coil it down on deck N c. put a whipping on it N d. stow it below 431: Official proof of an American vessel's nationality is contained in the __________.
N a. Certificate of Inspection N b. Official Log Y c. Certificate of Documentation N d. Shipping Articles 452: Where should the foundation supports for towing bitts terminate?
N a. Forward of the towing winch Y b. In the frames or other substantial structural members below decks N c. On the deck plates in the engineroom N d. On deck, aft of the towing winch 477: When underway with a tow, you are required to notify the Coast Guard in which casualty situation?
N a. An injury requiring first aid treatment N b. Damage of bridge-to-bridge radio capability Y c. Accidental stranding or grounding N d. Damage to property amounting to $12,500 683: Barges and vessels are ballasted before departure to __________.
Y a. improve their stability N b. avoid polluting waters where liquid ballast may not be discharged N c. prevent free surface effects N d. allow movement of liquids within the barge for tank cleaning 721: The mooring line labeled "F" is called a __________. (DO44DG )
N a. bow line N b. forward spring line Y c. breast line N d. None of the above 734: What is the computed breaking strength of a 4-inch manila line?
N a. 5,280 lbs. N b. 7,700 lbs. N c. 12,200 lbs. Y d. 14,400 lbs. 798: How many cubic feet of space is required to stow 775 tons of a cargo with a stowage factor of 25? (estimated broken stowage is 15%)
N a. 12,916 Y b. 22,794 N c. 25,833 N d. 29,397 833: The Master may require part of the crew to work when needed for ___________ .
N a. maneuvering, shifting berth, mooring and unmooring N b. performing work necessary for the safety of the vessel, its passengers, crew or cargo N c. performing fire, lifeboat or other drills in port or at sea Y d. All of the above 835: For towing vessels over 100 gross tons that are permitted to maintain a two-watch system, what percentage of the deck crew must be able seamen?
Y a. 50% N b. 65% N c. 75% N d. 100% 893: Considering the manning requirements for U.S. vessels, your three watch cargo vessel has a deck crew of 20 people, exclusive of the officers. How many of these people do the manning regulations require to be Able Seamen?
Y a. 13 N b. 10 N c. 7 N d. 5 896: A V-shaped ripple with the point of the V pointing upstream in a river may indicate a __________.
N a. submerged rock, not dangerous to navigation N b. sunken wreck, not dangerous to navigation Y c. towed-under buoy N d. All of the above 942: The damage to a vessel is over $25,000. Who must notify the nearest Coast Guard Marine Safety or Marine Inspection Office as soon as possible?
Y a. The Master of the vessel N b. The Radio Officer N c. The Chief Officer N d. All of the above 1015: The tankship Northland is loaded as shown. Use the salmon colored pages in the Stability Data Reference to determine the sagging numeral. (Get Table Data)
N a. 71.07 numeral N b. 74.95 numeral N c. 77.56 numeral Y d. 78.29 numeral 1026: When making way in heavy seas you notice that your vessel's screw is being lifted clear of the water and racing. One way to correct this would be to __________.
N a. increase speed Y b. decrease speed N c. move more weight forward N d. shift the rudder back and forth several times 1040: A well in the uppermost deck of a shelter deck vessel which has only a temporary means of closing for the purpose of gaining an exemption from tonnage measurement is called a(n) __________.
N a. exemption space N b. tonnage deck N c. cofferdam Y d. tonnage opening 1100: What is the purpose of the freeing ports on a vessel with solid bulwarks?
Y a. Allow water which may be shipped on deck to flow off rapidly N b. Permit easy jettisoning of deck cargo in an emergency N c. Prevent the formation of any unusual stress concentration points N d. Lighten the above deck weight caused by a solid bulwark 1106: A vessel is underway with a work stage rigged over the side. A seaman may work on the stage, but only when __________.
N a. wearing a life jacket N b. wearing a safety harness secured to the stage N c. wearing both a life jacket and a safety harness secured to the stage Y d. the vessel is not making way 1117: The knot used to form the bridle at the standing part of a gantline rigged to a stage is a __________.
N a. sheet bend N b. carrick bend N c. fisherman's bend Y d. bowline 1206: You are landing a single-screw vessel with a left-handed propeller, starboard side to the dock. As you approach the dock you back your engine with your rudder amidships. You would expect the vessel to __________.
N a. lose headway without swinging N b. turn its bow towards the dock Y c. turn its stern towards the dock N d. drift away from the dock 1225: Ice concentration is measured in OKTAs. What percentage of the sea surface is ice-covered with 2 OKTAs concentration?
N a. 10% N b. 20% Y c. 25% N d. 67% 1258: While your vessel is docked port side to a wharf, a sudden gale force wind causes the vessel's stern lines to part. The stern begins to fall away from the dock, and no tugs are immediately available. Which measure(s) should you take FIRST?
N a. Notify the engineroom of the need for propulsion. Y b. Shut down any cargo transfer that's in progress. N c. Let go the port anchor and veer to a short scope of chain. N d. Obtain assistance from the terminal to put new stern lines out. 1299: Which part of a conventional cargo gear rig provides for vertical control and positioning of a boom?
N a. Cargo whip N b. Gooseneck fitting N c. Spider band Y d. Topping lift 1336: When picking up your mooring at the buoy, the correct method is to __________.
N a. approach the buoy with the wind and current astern Y b. approach the buoy with the wind and current ahead N c. approach the buoy with wind and sea abeam N d. stop upwind and up current and drift down on the buoy 1357: The area indicated by the letter G is known as the __________. (D033DG )
N a. entrance N b. stringer plate Y c. turn of the bilge N d. garboard 1414: A wire rope that has been overstrained will show __________.
N a. a bulge in the wire where the strain occurred Y b. a decrease in diameter where the strain occurred N c. a kink in the wire where the strain occurred N d. no visible effects of an overstrain 1617: Using the graph in illustration D008DG, if the dry bulb temperature is 84°, and the wet bulb temperature is 81°, what is the relative humidity in a cargo hold? (D008DG )
N a. 71% N b. 79% N c. 81% Y d. 87% 1801: A vessel proceeding to London, England, from New York makes an unscheduled call at the port of Hamilton, Bermuda. What term is used to denote the voluntary departure from the usual course?
N a. Alteration Y b. Deviation N c. Liberty N d. Unscheduled stop 1868: When being towed by one tug, the towing bridle should be connected to towing __________.
Y a. bitts with figure eights N b. pad eyes with pelican hooks N c. pad eyes with safety hooks N d. All of the above 1917: 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 14 feet?
N a. 31.42 N b. 15.71 Y c. 7.85 N d. 6.25 1928: Which towing method maintains the most control over the tow?
N a. Tandem towing N b. Honolulu towing N c. Tandem tug towing Y d. Breasted tug towing 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 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 1962: The maximum draft to which a vessel can legally be submerged is indicated by the __________.
Y a. load line mark N b. Certificate of Inspection N c. Muster List ("Station Bill") N d. tonnage mark 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 2178: Segregation of cargoes refers to __________.
Y a. separating cargoes so that the inherent characteristics of one cannot damage the other N b. separating cargoes by destination N c. classifying cargoes according to their toxicity N d. listing the cargoes in order of their flammability 2289: A seaman you have just discharged has a Continuous Discharge Book. Which statement is TRUE?
Y a. The record of entry in the continuous discharge book shall agree with the entry made in the Ship's Articles. N b. If the vessel was on coastwise articles, the record of discharge will be made in the Official Logbook. N c. An entry should be made in the book and a Certificate of Discharge issued to the seaman. N d. A Certificate of Discharge form should be attached to the book. 2311: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated FLASH will be delivered within __________.
Y a. 10 minutes if possible N b. 1 to 6 hours N c. 30 minutes to 1 hour N d. 3 hours to start of business the following day 2484: The type of joint formed when an edge of one plate is laid over the edge of the plate to which it is riveted is a __________.
N a. grip joint N b. strap joint N c. thread joint Y d. lap joint 2524: Which entry on a dangerous cargo manifest concerning the classification of a cargo is NOT correct?
N a. Class 8 Y b. Division 3.1 N c. Division 2.3 N d. All of the above are incorrect 2562: As you hold a piece of manila line vertically in front of you, the strands run from the lower left to the upper right. Which type of line is this?
Y a. Right-hand laid N b. Cable-laid N c. Sennet-laid N d. Water-laid 3108: How should you signal the crane operator to raise the boom?
N a. Extend arm with the thumb pointing up and flex the fingers in and out. N b. Place both fists in front of the body with the thumbs pointing upward. N c. With forearm vertical and forefinger pointing up, move hand in small horizontal circles. Y d. Extend arm with fingers closed and point thumb upward. 3142: Why are stern towing bitts placed well forward of the rudder when hawser towing?
N a. To keep the hawser from fouling the rudder N b. To keep the towing bitts as far away as possible from the tugs pivoting point Y c. To allow the stern to swing more freely when using rudder N d. To have as much of the towing hawser in use as possible 3465: Which type of anchor is illustrated? (D038DG )
Y a. Stockless N b. Danforth N c. Old-fashioned N d. Kedge 3472: You are the Master of a 500 gross ton passenger vessel operating on rivers. Your vessel accidentally runs aground. Under the regulations for passenger vessels, you must notify the __________.
Y a. nearest Coast Guard Marine Safety or Marine Inspection Office as soon as possible N b. Coast Guard only if the grounding results in damage to property in excess of $(SA)25,000 N c. Coast Guard only if the grounding results in a loss of life N d. Coast Guard only if the grounding results in injury to personnel 3682: The boom indicator tells the operator at what angle the boom is compared to the __________.
Y a. horizontal position of the boom N b. vertical position of the boom N c. horizontal position of the load being lifted N d. vertical position of the load being lifted 4049: Tugs sometimes shackle a length of chain in the towline in order to __________.
N a. take the wear should the towline drag bottom N b. assure that if the towline is overstressed it will part close to the bridle N c. prevent the towline from whipping should it part Y d. put spring in the towline 4068: What produces the MOST dangerous vapors?
Y a. Anhydrous ammonia N b. Camphor oil N c. Methyl alcohol N d. Pentane 4182: Which lashing gear used aboard Ro-Ro vessels should be painted or soaked in oil when not in use?
Y a. Chain N b. Wire rope N c. Webbing N d. All of the above 4233: The 30 ton capacity pedestal cranes shown in the illustration can lift a maximum weight of how many tons when two cranes are married together in twin with the other pair of cranes at the opposite end of the hatch? (D051DG )
N a. 30 tons N b. 60 tons N c. 90 tons Y d. 120 tons 4237: What is used to power modern pedestal cranes?
N a. Steam N b. Water Y c. Hydraulics N d. All of the above 4275: During which condition should the operator of a pedestal crane shutdown operations?
N a. Lightning N b. High winds N c. Fire aboard Y d. All of the above 4443: You are signing on a deck officer, who will be designated as one of the GMDSS operators, before sailing foreign. Which statement is TRUE?
Y a. He/she must have an STCW certificate endorsed as "Valid for Service on Vessels Operating in the GMDSS System". N b. He/she must present either an FCC-issued license or a Coast Guard-issued license. N c. You must consult the "List of Qualifications" on the reverse of his/her FCC-issued license. N d. His/her Merchant Mariners Document must have an added endorsement as "Radio Electronics Officer".