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.
80: You are on a cargo vessel carrying portable tanks of dangerous cargoes in bulk. Which statement is TRUE?
N a. If the tanks are pumped out while remaining on board, each hose connection must have a minimum of three bolts. N b. If the tanks are off loaded, no more than two tanks may be lifted together in a hoist. N c. When transferring sulfuric acid, you must display a red flag by day whether at anchor or moored. Y d. All electrical equipment within 10 feet horizontally must be explosion proof or intrinsically safe. 94: All of the following records are usually maintained by the watch-standing officers aboard a vessel EXCEPT the __________.
N a. deck logbook Y b. official logbook N c. compass record book N d. chronometer error book 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 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 241: If there are any changes in the crew in a foreign port, the changes will be made by __________.
N a. the Master on the Certified Crew List Y b. the Master on the Shipping Articles N c. U.S. Consul on the Certified Crew List N d. U.S. Consul on the Shipping Articles 277: Allied Naval Control of Shipping (NCS) has been established. Which statement is TRUE?
N a. The Naval Control of Shipping Organization of each nation will serve their own ships only. N b. Allied ships, which are at sea when an emergency is declared, will all be controlled by a central authority. N c. The conduct of US-flag ships in an allied port will be controlled by US NCS authorities. Y d. After Naval Control of Shipping has been established, permission to sail must come from local naval authorities or consular officers. 310: Operators of Uninspected Passenger Vessels are required to keep their Coast Guard License aboard __________.
N a. only when operating more than one mile from shore N b. only when operating at night Y c. only when carrying passengers for hire N d. At all times 331: Shipping articles are a contract of agreement between the members of the crew and the __________.
N a. charterers N b. Coast Guard Y c. Master N d. vessel's owner 389: When hooking up a cargo hose to your vessel's manifold, you should use a(n)______________.
N a. international shore connection Y b. insulating flange or single length of non-conducting hose N c. self-contained breathing apparatus N d. oxygen analyzer 458: Sweat damage will occur in a cargo hold containing cased machinery when the __________.
N a. air temperature of the hold is higher than the temperature of the outside air Y b. dew point of the hold is higher than the temperature of the ship's skin N c. dew point of the outside air is lower than the temperature of the cargo N d. outside air temperature is colder than the temperature of the cargo 504: Anchors are prevented from running out when secured by the __________.
N a. brake N b. devil's claw N c. pawls Y d. All of the above 537: Which type of hook can be used as a towing hook?
N a. Standard towing hooks N b. Spring-loaded towing hooks N c. Pelican hooks Y d. All of the above 658: When carrying a full or nearly full load of bulk ore in a general cargo type vessel which has engine spaces amidships, the cargo in each hold should be trimmed so that the bulk of the cargo lies __________.
N a. along the centerline N b. toward the forward bulkhead of the forward holds and toward the after bulkhead of the after holds Y c. toward the after bulkhead of the forward holds and the forward bulkhead of the after holds N d. toward the after bulkhead of all holds 665: The catenary __________.
N a. acts as a reserve length of towing hawser when the tug applies more power, and it dampens the surge effect of the tow N b. gives an approximation of the amount of strain on the towing hawser N c. is the dip in the towing hawser between the tug and the tow Y d. All of the above 682: The mooring line labeled "H" is called a(n) __________. (DO44DG )
N a. forward breast line Y b. offshore bow line N c. offshore spring line N d. onshore bow line 765: The owner or Master of a vessel pushing ahead or towing alongside must ensure that each of the following is appropriate for the vessel's horsepower and tow arrangement EXCEPT _________ .
Y a. hydraulic couplings N b. face wires N c. push gear N d. spring lines 851: Your vessel (185 GT) is on a voyage between New York and San Francisco. Which statement is TRUE?
N a. The maintenance of an Official Logbook is optional. N b. The vessel must be on foreign articles. N c. This is considered a coastwise voyage. Y d. An Official Logbook must be maintained. 866: For the deepest water when rounding a bend in a river, you should navigate your vessel __________.
N a. toward the inside of the bend Y b. toward the outside of the bend N c. toward the center of the river just before the bend, then change course for the river's center after the bend N d. in the river's center 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 1094: Which statement is TRUE with respect to the elasticity of nylon mooring lines?
N a. Nylon can stretch over forty percent without being in danger of parting. N b. Nylon can be elongated by one-hundred percent before it will part. N c. Nylon will part if it is stretched any more than twenty percent. Y d. Under load, nylon will stretch and thin out but will return to normal size when free of tension. 1210: To rigidly fasten together the peak frames, the stem, and the outside framing, a horizontal plate is fitted across the forepeak of a vessel. This plate is known as a(n) __________.
N a. apron plate Y b. breasthook N c. intercostal plate N d. joiner 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 1666: While anchoring your vessel, the best time to let go the anchor is when the vessel is __________.
N a. dead in the water Y b. moving slowly astern over the ground N c. moving fast ahead over the ground N d. moving fast astern over the ground 1703: What is the stress on the hauling part when lifting a 4,200 lbs. weight using a threefold purchase rove to advantage? (Allow 10 percent of the weight per sheave for friction.)
N a. 571.4 N b. 715.2 Y c. 960 N d. 1066.7 1715: Which statement concerning a 298 GRT inspected tug engaged in towing from Seattle, WA, to Alaska is TRUE?
Y a. Each crew member must be issued a certificate of discharge at the time of discharge. N b. No able seamen are required. N c. Crew must be signed on before a Shipping Commissioner. N d. A licensed Master of Towing Vessels may serve as Master. 1719: What is a CORRECT reply to a pilot's request, "How's your head"?
N a. "Steady" N b. "Eased to 10° rudder" N c. "Checked" Y d. "Passing 50°" 1728: You are trying to rescue survivors from a wrecked vessel on fire. You should approach __________.
N a. to leeward of the wrecked vessel N b. at a speed of at most one-half that of the wrecked vessel N c. at a speed of at least that of the wrecked vessel Y d. to windward of the wrecked vessel 1732: Which picture in illustration D030DG represents a half hitch? (D030DG )
Y a. U N b. S N c. K N d. H 1774: Which knot is used to attach two different sized lines together?
N a. Granny knot Y b. Sheet bend N c. Square knot N d. Thief knot 1846: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated IMMEDIATE will be delivered within __________.
N a. 3 hours to start of business the following day N b. 1 to 6 hours Y c. 30 minutes to 1 hour N d. 10 minutes if possible 1855: Which problem is virtually impossible to detect during an in-service inspection of used anchor chain?
N a. Cracks N b. Elongation N c. Loose studs Y d. Fatigue 1895: The knot lettered Q as shown is a __________. (DO30DG )
N a. square knot N b. clove hitch Y c. bowline N d. round knot 1929: 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 10 feet?
N a. 22.44 T N b. 11.22 T N c. 7.48 T Y d. 5.61 T 1972: Payment of penalty for a ship's delay after the expiration of lay days due to some fault of the charterer or his agent is known as __________.
Y a. demurrage N b. late fee N c. miscibility N d. volatility 1978: When towing, the least amount of tension will be on each bridle leg when the two legs __________.
N a. form a large angle with each other Y b. form a small angle with each other N c. are of unequal length N d. are joined by a fishplate 2050: In illustration D044DG, the mooring line labeled "H" is called a(n) __________. (DO44DG )
N a. forward breast line N b. offshore spring line N c. onshore bow line Y d. offshore bow line 2050: In illustration D044DG, the mooring line labeled "H" is called a(n) __________. (DO44DG )
N a. forward breast line N b. offshore spring line N c. onshore bow line Y d. offshore bow line 2075: The knot lettered E is a __________. (DO30DG )
N a. stopper hitch N b. blackwall hitch Y c. timber and half hitch N d. bowline on a bight 2085: What purpose does a bridge fitting serve when lashing containers?
N a. Ties a container stack to the deck N b. Ties a container to the container below it N c. Restrains racking loads Y d. Restrains the container against horizontal motion 2088: You have been towing astern and have just let go the tow. Your deckhands are pulling in and faking the towline by hand on the stern. The most dangerous action to take is to __________.
N a. continue ahead at slow speed N b. continue ahead at half speed N c. stop your engines Y d. back down on your engines 2207: After an explosion, repair of emergency machinery and services should be accomplished __________.
Y a. after control of fire, flooding, and structural repairs N b. immediately, before the emergency is under control N c. after control of fire, but before control of flooding N d. after stability is restored 2241: The letter M indicates a(n) __________. (D033DG )
Y a. web frame N b. intercostal N c. stringer N d. cant frame 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 2267: The knot lettered K in illustration DO30DG is a __________. (DO30DG )
Y a. sailmaker's whipping N b. carrick bend N c. barrel hitch N d. stopper 2480: A Danforth lightweight anchor does NOT hold well in which type of bottom?
N a. Mud Y b. Grass N c. Sand N d. Clay 2596: A person who sees someone fall overboard should __________.
N a. immediately jump into the water to assist the individual Y b. call for help and keep the individual in sight N c. run to the radio room to send an emergency message N d. go to the bridge for the distress flares 2760: When the wave period and the apparent rolling period are the same __________.
Y a. synchronous rolling occurs N b. roll period decreases N c. roll period increases N d. roll amplitude is dampened 2919: Which statement about general average is TRUE?
N a. Damage to a ship must have been incurred while the ship and/or its machinery was being used for its intended purpose. Y b. Property must have been sacrificed or an expenditure of money incurred. N c. The loss or damage to deck cargo due to heavy weather constitutes general average. N d. Of the ship, the freight, and the cargo interests, only one need be involved. 2982: How should you signal the crane operator to stop?
N a. Place both fists in front of your body with the thumbs pointing outward. N b. With both arms extended out and palms down, move arms back and forth. Y c. Extend arm with the palm down and hold this position rigidly. N d. Clasp hands in front of your body. 3114: Which item is rigged to transmit the thrust from one barge to another barge when going ahead? (D024DG )
N a. I N b. H Y c. E N d. B 3252: The signal man assisting the crane operator has his arm extended and is pointing his finger in the direction to move the boom. This is the signal to __________.
N a. extend N b. lower N c. hoist Y d. swing 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 3404: The signal man assisting the crane operator first taps the top of his head with his fist and then proceeds to use regular signals. This is the signal to __________.
N a. use the whip line Y b. use the main hoist N c. use the auxiliary line N d. proceed slowly 3466: What is a spill pipe?
N a. A drainage pipe that carries rain or spray from an upper deck to a lower deck Y b. A pipe under the anchor windlass leading to the chain locker N c. A chute, usually over the stern, to lead dumped garbage clear of the hull N d. An opening in the deck leading outside the hull 4061: The two factors which make underwater hull repair difficult are accessibility and the __________.
N a. availability of tools N b. shape of the hull Y c. pressure exerted by the water N d. threat of progressive flooding 4113: What is(are) standard operating procedure(s) used on a Ro-Ro vessel?
Y a. Periodic inspection and retensioning of lashings as required during voyage N b. Lashings may be completed after the vessel leaves port N c. One QMED assigned to oversee the initial loading and lashing N d. All of the above 4130: Which lashing material is preferred when securing new cars aboard Ro-Ro vessels?
N a. Chain lever or turnbuckle Y b. Webbing N c. Wire N d. None of the above 4149: Which of the following statements is TRUE regarding lashing requirements to secure vehicles aboard Ro-Ro vessels?
N a. The securing of cargo on flats and trailers must be adequate to withstand road motions only. N b. The movements experienced by road borne cargo are the same as the movements of a ship at sea. Y c. The generally recommended lash angle is no greater than 45 degrees relative to the deck in any direction. N d. It is not necessary for an adequate number of securing points on the vehicles themselves since setting the brakes is sufficient. 4155: Which factor(s) should be considered when loading vehicles or trailers aboard Ro-Ro vessels?
N a. Layout of decks N b. Vertical clearances N c. Tie-down and lashing Y d. All of the above 4260: Which statement(s) is/are TRUE regarding the operation of a crane?
Y a. The load is handled by the hoisting winch and cargo block. N b. The crane jib is raised and lowered by the hoisting winch. N c. The cargo block is raised and lowered by the luffing winch. N d. All the above