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.
123: When patching holes in the hull, pillows, bedding, and other soft materials can be used as __________.
N a. shores Y b. gaskets N c. strongbacks N d. wedges 149: A standard net barrel of petroleum products is __________.
Y a. 42 gallons at 60°F N b. 48 gallons at 70°F N c. 50 gallons at 50°F N d. 60 gallons at 100°F 215: How does the effect known as "bank suction" act on a single-screw vessel proceeding along a narrow channel?
N a. It pulls the bow toward the bank. N b. It heels the vessel toward the bank. N c. It pushes the entire vessel away from the bank. Y d. It pulls the stern toward the bank. 239: Flame screens are used to __________.
N a. contain flammable fumes N b. protect firefighters from flames Y c. prevent flames from entering tanks N d. keep flames and sparks from getting out of an engine's exhaust system 249: Functions aboard a tanker or tank barge such as connecting, disconnecting, and topping off must be supervised by __________.
N a. any certificated tankerman N b. the Master of the vessel N c. the officer of the watch Y d. the person designated as "person in charge" 265: Which statement is TRUE about hooks and shackles?
N a. Hooks are stronger than shackles of the same diameter. Y b. Shackles are stronger than hooks of the same diameter. N c. Hooks and shackles of the same diameter are of equal strength. N d. All the above may be true, depending on the hook's or shackle's overall length. 341: The Certificate of Freeboard is the __________.
Y a. Load Line Certificate N b. Certificate of Inspection N c. Admeasurer's Certificate N d. Forecastle Card 374: Holes in the bulwark, which allow deck water to drain into the sea, are __________.
N a. doggers N b. fidleys Y c. freeing ports N d. swash ports 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 467: Of which type of material may a towing hawser be constructed?
N a. Wire rope N b. Nylon, dacron, polypropylene or a blend of other synthetic fibers N c. Manila Y d. All of the above 473: The American Consul has asked the Master of a vessel bound for a port in the U.S. to transport a destitute seaman back to the U.S. Which action may the Master take?
N a. He may refuse to accept the seaman if the seaman is medically unfit. N b. He must take the seaman even if the seaman has a contagious disease. N c. He is always required to take the seaman. Y d. He may refuse to take the seaman if it will violate the Certificate of Inspection. 478: The moisture equilibrium chart can be used to determine the __________.
N a. absolute moisture content of the air surrounding a hygroscopic cargo when moisture equilibrium exists Y b. dew point temperature that the air surrounding a hygroscopic commodity will have when in moisture equilibrium with that commodity N c. enthalpy of the air surrounding a hydroscopic cargo which is in moisture equilibrium with the cargo N d. temperature at which moisture equilibrium will occur in a cargo hold containing a hygroscopic cargo 478: The moisture equilibrium chart can be used to determine the __________.
N a. absolute moisture content of the air surrounding a hygroscopic cargo when moisture equilibrium exists Y b. dew point temperature that the air surrounding a hygroscopic commodity will have when in moisture equilibrium with that commodity N c. enthalpy of the air surrounding a hydroscopic cargo which is in moisture equilibrium with the cargo N d. temperature at which moisture equilibrium will occur in a cargo hold containing a hygroscopic cargo 499: Your tank vessel is loaded down to her marks, and you find that she has too much trim by the stern. To adjust the trim, you may __________.
N a. add ballast forward N b. load more cargo forward Y c. shift bunkers forward N d. All of the above 506: With rudders amidships and negligible wind, a twin-screw vessel moving astern with both engines backing will back __________.
N a. to port N b. to starboard Y c. in a fairly straight line N d. in a circular motion 519: What is NOT a precaution to be taken when topping off?
N a. Reduce the loading rate. Y b. Notify the engine room of the procedure. N c. Maintain communications with the dock man. N d. Give the operation your undivided attention. 548: Using the graph shown, if the dry bulb temperature is 55°F (13°C) and the wet bulb is 50°F (10°C), what is the relative humidity? (D008DG )
N a. 55% Y b. 70% N c. 75% N d. 82% 560: You are loading a cargo that includes cylinders of acetylene aboard your break bulk vessel. Which statement is true?
Y a. The cylinders must be stowed at least 10 horizontal feet from corrosive materials in the same space. N b. Stowage in the upper deck-deck is considered to be the equivalent of "on deck" stowage for this cargo. N c. The cylinders must have a red label for flammability and a green label for compressed gas. N d. The cylinders may be protected from the radiant heat of the Sun by laying a tarp on them. 581: The Certificate of Inspection for your tankship authorizes the carriage of grade A and lower products. Which chemical may NOT be carried unless it is specifically endorsed on the Certificate of Inspection?
N a. Amylene N b. Diisobutyl Phthalate N c. Oleic acid Y d. Vinyl acetate 598: What is NOT an advantage of containership operations over conventional break-bulk operations?
Y a. Flexibility of operation N b. Greater operational safety N c. Lower stevedoring costs N d. Reduction of cargo damage 618: When considering a vessel's stability, which spaces in a general cargo vessel are the best locations for the carriage of bulk grain?
Y a. Deep tanks N b. Lower holds N c. Lower holds at the ends of the vessel N d. 'Tween-decks 841: All entries in the Official Logbook must be signed by the Master and __________.
N a. the Union Representative N b. the person about whom the entry concerns N c. no one else Y d. one other crew member 912: You are aboard vessel "A" in a narrow channel and the pilot is approaching vessel "B" as shown. The reason he has not previously changed course to the starboard side of the channel is __________. (DIAGRAM 37 )
N a. to avoid vessel squat in the shallower water near the bank Y b. to avoid the effects of bank cushion and bank suction N c. because there is less chance of striking submerged objects in mid-channel N d. because the current has less eddies in mid-channel 993: Your vessel is docking, but not yet alongside. Which line will be the most useful when maneuvering the vessel alongside the pier?
N a. Bow breast line Y b. Bow spring line N c. Inshore head line N d. Offshore head line 1078: By law, the maximum penalty for failing (without reasonable cause) to give aid in the case of collision is __________.
N a. one year imprisonment or $500 Y b. two years imprisonment or $1000 N c. two years imprisonment or $1500 N d. two years imprisonment or $2000 1135: What equipment is customarily used when seamen are working on a stage rigged over the side of a vessel?
N a. Jacob's ladder N b. Manropes N c. Heaving lines Y d. All of the above 1144: Which rope has the greatest breaking strength?
N a. Manila Y b. Nylon N c. Polyethylene N d. Polypropylene 1198: The most probable position of the object of a search at any given time is the __________.
Y a. datum position N b. incident position N c. reported position N d. dead-reckoning position 1379: The heel block is located __________.
Y a. at the base of the boom N b. at the cargo hook N c. near the midships guy N d. near the spider band 1584: The size of wire rope is determined by the __________.
N a. number of strands N b. number of wires in each strand N c. circumference Y d. diameter 1638: On a twin-screw, twin-rudder vessel, the most effective way to turn in your own water, with no way on, is to put __________.
Y a. one engine ahead and one engine astern, with full rudder N b. one engine ahead and one engine astern, with rudders amidships N c. both engines ahead, with full rudder N d. both engines astern, with full rudder 1688: Grade E combustible liquids have a flash point of __________.
N a. 80°F to 150°F Y b. 150°F or above N c. 60°F to 100°F N d. 90°F to 120°F 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. 1919: The disadvantage of using three strand nylon line for towing is its __________.
N a. inherent weakness N b. tendency to rot if left damp Y c. danger to crew if it parts N d. strength and shock absorbing abilities 2179: A design modification of an anchor chain which prevents kinking is the __________.
N a. detachable link Y b. stud link N c. Kenter link N d. connecting link 2188: The forecastle card is a(n) __________.
N a. quarters allocation N b. Muster List ("Station Bill") N c. unlicensed shipping card from the union Y d. copy of the shipping agreement 2203: A Chinese stopper (two lines) will hold best when you __________.
N a. fasten the bitter ends to the mooring line with half hitches Y b. twist the ends together and hold them in the direction of the pull N c. twist the ends together and hold them in the direction opposite to the pull N d. twist the ends together and hold them at right angles to the mooring line 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 2395: Determine the area of a triangle with a base of 4.7 feet and a height of 6.3 feet.
N a. 29.6 square ft. N b. 26.2 square ft. N c. 18.5 square ft. Y d. 14.8 square ft. 2549: An example of a modern anchor which has a stock is a(n) __________.
N a. articulated anchor N b. Flipper Delta anchor N c. Baldt anchor Y d. Danforth anchor 2648: The smallest size of flaw that can be detected on a radiograph examination of a weld will be indicated by the __________.
N a. film speed Y b. penetrometer N c. exposure reading N d. time of exposure 2707: In which casualty case is it UNNECESSARY to notify the local Coast Guard Marine Safety Office?
N a. Your vessel is backing from a dock and runs aground, but is pulled off by tugs in 30 minutes. N b. A seaman is injured and in the hospital for four days. Y c. Your vessel strikes a pier and does $1,500 damage to the pier but no damage to the vessel. N d. A nylon mooring line parts while the vessel is tied up and kills a harbor worker who was on the pier. 2710: 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. Diisopropylamine must 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. 2748: The Lake Carriers Association and the Canadian Shipowners Association prescribe separation routes for upbound and downbound vessels on the Great Lakes. The recommended courses for these routes are shown on the Great Lakes Charts in the form of __________.
Y a. red or magenta figures over a segmented course line track N b. red figures over a solid course line track N c. black figures over a segmented course line track N d. green figures over a solid course line track 2748: The Lake Carriers Association and the Canadian Shipowners Association prescribe separation routes for upbound and downbound vessels on the Great Lakes. The recommended courses for these routes are shown on the Great Lakes Charts in the form of __________.
Y a. red or magenta figures over a segmented course line track N b. red figures over a solid course line track N c. black figures over a segmented course line track N d. green figures over a solid course line track 2816: Which statement is TRUE concerning lighting requirements for Great Lakes vessels?
N a. The showing of a forward masthead light is optional for vessels under 150 meters. Y b. An all-round white light may be carried in lieu of the second masthead light and stern light. N c. Sidelights for vessels over 50 meters are required to have only a two-mile range of visibility. N d. Great Lakes vessels are exempted from the requirement to show yellow towing lights. 3059: A vessel which is being assisted by an icebreaker would display a flag hoist consisting of the code numeral "4" when the vessel __________.
N a. speed begins to drop N b. stops N c. receives ice damage Y d. becomes icebound 3079: What is a solid at ambient temperature?
N a. Aniline N b. Formic acid N c. Methyl chloride Y d. Napthalene 3146: How should you signal the crane operator to use the main hoist?
N a. Use one hand to give any motion signal, and place the other hand motionless in front of the hand giving the motion signal. N b. Extend arm with the thumb pointing up and flex the fingers in and out for as long as the load movement is desired. N c. First tap your elbow with one hand, and then proceed to use regular signals. Y d. First tap the top of your head with your fist, and then proceed to use regular signals. 3288: The angular movement of a vessel about a horizontal line drawn from its bow to its stern is __________.
N a. pitching Y b. rolling N c. heaving N d. swaying 3392: What term indicates the midships portion of a vessel that has a constant cross section?
N a. Half length N b. Amidships Y c. Middle body N d. Molded length 3465: Which type of anchor is illustrated? (D038DG )
Y a. Stockless N b. Danforth N c. Old-fashioned N d. Kedge 3600: A helmsman receives the command "Right 15 degrees rudder." The helmsman's IMMEDIATE reply should be __________.
N a. "Aye Aye Sir" Y b. "Right 15 degrees rudder" N c. "Rudder is right 15 degrees" N d. No reply is necessary, just carry out the order 3689: The wildcat is linked to the central drive shaft on most windlasses by __________.
N a. an electromagnetic brake N b. a hydraulic coupling N c. aligning the keyways on both and inserting a key Y d. a mechanical coupling where lugs engage detents 3692: What provides little or no indication that a vessel is dragging anchor?
N a. Increasing radar range to a fixed object ahead Y b. Drift lead with the line leading perpendicular to the centerline N c. Vibrations felt by placing a hand on the anchor cable N d. Changing bearings to distant fixed objects abeam 4011: Under defense plans, operation of electronic aids may be temporarily suspended with __________.
N a. thirty (30) day's notice N b. a week's notice N c. one day's notice Y d. no notice 4147: Which tensioning device is used with wire rope lashing to secure vehicles aboard Ro-Ro vessels?
N a. Chain lever. Y b. Adjust-a-matic tensioner N c. Buckle tensioner N d. Ratchet tensioner 4158: Which of the following element(s) should be taken into account in the preparation of the "Cargo Securing Manual"?
N a. Weight of cargo units and vehicles N b. Types of cargo units and vehicles to be carried N c. Dynamic forces under adverse weather conditions Y d. All of the above 4236: What is another description for a tandem crane lift?
N a. Single crane hoisting 30 tons N b. Twin cranes hoisting 60 tons Y c. Quad lift hoisting 120 tons N 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".