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.
79: Ullages on tankers are measured from __________.
Y a. an above-deck datum such as the top of the ullage pipe N b. the tank ceiling aboard transversely framed vessels N c. the tank top N d. a thievage mark below the edge of the deck 81: Your 199 GT tugboat is on a 675 mile coastwise voyage. What percentage of the deck crew must be Able Bodied Seamen?
N a. 0% N b. 25% N c. 50% Y d. 65% 82: Floors aboard ship are __________.
N a. also called decks Y b. vertical transverse plates connecting the vertical keel with the margin plates N c. large beams fitted in various parts of the vessel for additional strength N d. found in passenger and berthing spaces only 106: In relation to the turning circle of a ship, the term "kick" means the distance __________.
N a. around the circumference of the turning circle N b. gained at right angles to the original course N c. gained in the direction of the original course Y d. or throw of a vessel's stern from her line of advance upon putting the helm hard over 121: You are the Master of an uninspected diesel towing vessel of 190 GT operating on a regular run from New York to the Gulf of Mexico. Which statement is TRUE?
N a. Able Seamen are not required in the deck crew. N b. Sailors may stand watch for 6 hours on and 6 hours off. N c. A licensed Chief Engineer is required. Y d. All crew members must have Merchant Mariner's Documents. 139: A "barrel" is a unit of liquid measure equivalent to __________.
N a. 40 U.S. gallons at 50°F Y b. 42 U.S. gallons at 60°F N c. 43 U.S. gallons at 65°F N d. 45 U.S. gallons at 75°F 332: The helm command "Meet her" means __________.
N a. steer more carefully Y b. use rudder to check the swing N c. decrease the existing rudder angle N d. note the course and steady on that heading 370: Cottonseed oil is classed as a __________.
Y a. combustible liquid N b. flammable liquid N c. flammable solid N d. poison B 406: A twin-screw vessel with a single rudder is making headway. The engines are full speed ahead. There is no wind or current. Which statement is FALSE?
N a. If one screw is stopped, the ship will turn toward the side of the stopped screw. N b. The principal force which turns the ship is set up by the wake against the forward side of the rudder. Y c. Turning response by use of the rudder only is greater than on a single-screw vessel. N d. With the rudder amidships, the ship will steer a fairly steady course. 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 540: As seen from the tow, what should connect the leading ends of both towing bridle legs to the main towing hawser?
N a. A cable clamp Y b. A fishplate, flounder, or towing plate N c. A pad eye N d. The towing bitts 712: What is the effect of releasing the towline in a tripping situation?
Y a. It disconnects the capsizing force and allows the tug to recover from its list. N b. It frees the tug from its towing responsibilities. N c. There is no effect other than relief. N d. Yawing 767: On the cargo manifest, the total weight of an empty cargo box is the __________.
Y a. tare weight N b. net weight N c. gross weight N d. cargo weight 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. 1088: As Master or person in charge, you must notify the U.S. Coast Guard if an injury leaves a crewman unfit to perform routine duties for more than __________.
N a. 24 hours N b. 48 hours N c. 72 hours Y d. Any amount of time 1130: The fittings used to secure a watertight door are known as __________.
N a. clamps N b. clasps Y c. dogs N d. latches 1173: You are making a sharp turn in a channel and using a buoy four points on the bow to gauge your rate of turn. If you observe the buoy moving forward relative to you, what should you do?
N a. Increase the rate of turn Y b. Decrease the rate of turn N c. Maintain a constant rate of turn N d. Increase speed 1185: As shown, the mooring line labeled "C" is called a __________. (DO44DG )
N a. stern line N b. spring line Y c. breast line N d. shore line 1195: Under the Carriage of Goods by Sea Act of 1936, a vessel will be liable for damage to a cargo when the damage arises from __________.
Y a. unseaworthiness when sailing N b. insufficient packing N c. quarantine delays N d. mismanagement of the vessel 1202: Under the Carriage of Goods by Sea Act of 1936, a vessel will be liable for damage to cargo when the damage arises from __________.
N a. an act of war Y b. lack of ventilation in transit N c. perils of the sea N d. an error in navigation 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 1238: A contract of affreightment is a __________.
Y a. Bill of Lading N b. Bottomry Bond N c. manifest N d. Portage Bill 1269: What is meant by the term "topping the boom"?
N a. Lowering the boom Y b. Raising the boom N c. Spotting the boom over the deck N d. Swinging the boom athwartships 1270: When a man who is conscious has fallen overboard is being picked up by a lifeboat, the boat should approach with the wind __________.
N a. astern and the victim just off the bow N b. ahead and the victim just off the bow N c. just off the bow and the victim to windward Y d. just off the bow and the victim to leeward 1291: "Free pratique" means that __________.
N a. clearance requirements for all regulatory bodies have been met Y b. health requirements have been met and no further quarantine formalities are required N c. shipment will be made at no cost N d. tonnage taxes are not required to be paid 1350: A deck beam does NOT __________.
N a. act as a beam to support vertical deck loads Y b. lessen the longitudinal stiffness of the vessel N c. act as a tie to keep the sides of the ship in place N d. act as a web to prevent plate wrinkling due to twisting action on the vessel 1375: A chain stripper is used to __________.
Y a. prevent chain from clinging to the wildcat N b. clean the marine debris from the chain N c. flake chain from a boat's chain locker N d. clean chain prior to an x-ray inspection 1456: How many turns of wire normally mark either side of the shackle 45 fathoms from the anchor?
N a. 1 N b. 2 Y c. 3 N d. 4 1470: Signs of racking stresses generally appear at the __________.
N a. bow and stern shell frames and plating Y b. junction of the frames with the beams and floors N c. garboard strake, at each side of the keel N d. thrust bearing of the main shaft 1501: Particular average is __________.
N a. the average distance steamed per day over the duration of the voyage N b. charges against all parties in a marine venture to pay for damages Y c. loss sustained by only one party N d. claimed after all liens against the vessel are settled 1506: The sprocket wheel in a windlass, used for heaving in the anchor, is called a __________.
N a. capstan N b. dog wheel N c. fairlead Y d. wildcat 1540: In ship construction, keel scantlings should be the greatest __________.
N a. at each frame Y b. amidships N c. one-third the distance from the bow N d. one-third the distance from the stern 1577: You are the Chief Mate of a 30,000-DWT tankship. The vessel is engaged in trade with another country signatory to MARPOL 73/78. Which statement is TRUE?
N a. The Certificate of Inspection serves as prima facie evidence of complying with MARPOL 73/78. Y b. The IOPP Certificate for an inspected vessel is valid for 5 years. N c. An IOPP Certificate is invalidated if the ship carries cargoes outside the classes authorized thereon. N d. An IOPP Certificate is renewed at each inspection for certification. 1695: What is the perimeter of a circle with a radius of 3.7 feet?
N a. 11.62 ft N b. 17.49 ft Y c. 23.25 ft N d. 25.72 ft 1790: Which space(s) is(are) exempt when measuring gross tonnage?
N a. Auxiliary machinery spaces above the uppermost continuous deck N b. Steering gear room N c. Part of the wheelhouse used to control vessel Y d. All of the above 1889: The helm command "Nothing to the left" means do NOT __________.
N a. use left rudder Y b. steer left of the ordered course N c. steer right of the ordered course N d. leave any buoys on the port side 2073: You are preparing to lubricate standing rigging on your vessel. When rigging a bosun's chair on a stay with a shackle, __________.
N a. connect the shackle to the bosun's chair with a hook Y b. never allow the shackle pin to ride on the stay N c. run the gantline through the shackle and then make fast to the bosun's chair N d. tie the bitter end of the gantline to the shackle before shackling it to the bosun's chair 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 2168: What is the name of tackle number 6? (DO29DG )
N a. Triple purchase N b. Clew garnet tackle N c. Boat falls Y d. Threefold purchase 2315: Which splice is used to connect two separate lines together?
N a. Back splice N b. Chain splice N c. Eye splice Y d. Long splice 2578: According to regulations when, if ever, may cargo hatches on Great Lakes vessels, with more than 6 feet of freeboard, be left uncovered or open while the vessel is being navigated?
N a. If a Mate deems it necessary for ship's maintenance Y b. At the discretion of the Master, for reasonable purposes N c. On the authority of the Bosun N d. The hatch may never be uncovered 2580: You want to double the strength of a mooring line by using two lines. To accomplish this, the second line must __________.
N a. be 1 1/2 times the diameter of the first N b. be married to the first N c. not cross the first Y d. be of the same length 2582: What is usually NOT required in preparing a hold for reception of a bulk grain cargo?
N a. Remove residue of previous cargo. N b. Remove loose rust and scale. Y c. Steam clean areas obstructed by structural members. N d. Spray or fumigate any insect colonies. 2783: The effect of ocean current is usually more evident on a tug and tow than on a tug navigating independently because the __________.
Y a. speed of the tug and tow is less N b. towline catches the current N c. current causes yawing N d. current will offset the tow 2931: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated FLASH will be delivered within __________.
N a. 3 hours to start of business the following day Y b. 10 minutes if possible N c. 1 to 6 hours N d. 30 minutes to 1 hour 2940: A vessel reduces speed without backing. The rate that her speed through the water decreases depends primarily on the __________.
N a. vessel's horsepower N b. sea state N c. number of propellers Y d. vessel's displacement 2952: Spontaneous heating of coal rapidly accelerates at the approximate minimum temperature of __________.
N a. 88°F Y b. 100°F N c. 111°F N d. 119°F 3032: Ice is often strong enough to halt navigation through the St. Lawrence Seaway by mid- __________.
N a. October N b. November Y c. December N d. January 3116: You are lifting a 5-ton weight with a single whip rove on a swinging boom set at an angle of 20° to the horizontal. Use the formula for the size of a shackle with a safe working load and determine the minimum size shackle that should be used to secure the head block to the boom?
N a. 1 3/8 inch N b. 1 1/2 inch Y c. 1 3/4 inch N d. 1 7/8 inch 3126: Your tankship is carrying a cargo of styrene. Which of the following is NOT a requirement for carriage of this cargo?
Y a. P/V valves with galvanized parts must be replaced. N b. Authorization to carry styrene must be endorsed on the Certificate of Inspection. N c. You must have a "Certificate of Inhibition" provided by the shipper. N d. The cargo tank heating coils must be blanked off. 3130: What is NOT required on an uninspected towing vessel?
N a. Certificate of Documentation Y b. Certificate of Inspection N c. Operators Merchant Marine license N d. FCC Station License 3446: The best way to determine if a load is within maximum lift limits is to use __________.
N a. a boom angle indicator Y b. a load weight indicator N c. material invoices for shipping weights N d. prior experience with similar lifts 3564: The angle at which the fluke penetrates the soil is called the __________.
Y a. fluke angle N b. tripping angle N c. penetration angle N d. holding angle 3564: The angle at which the fluke penetrates the soil is called the __________.
Y a. fluke angle N b. tripping angle N c. penetration angle N d. holding angle 3610: You have a tow of chemical barges. The mate reports an ammonia smell around the head of the tow. You would suspect a leak in the barge carrying __________.
N a. methyl chloride N b. heptane N c. propanolamine Y d. morpholine 3652: You are lifting a one-ton weight with a swinging boom. When comparing the stresses in the rig with the boom at 20° to the horizontal to the stresses when the boom is at 60° to the horizontal, which statement is TRUE?
N a. The stress on the topping lift is greater at 60°. N b. The thrust on the boom is greater at 20°. N c. The stress on the heel block is less at 20°. Y d. The stress on the masthead fairlead for the topping lift is greater at 20°. 3694: Your enrolled vessel is bound from Baltimore, MD, to Norfolk, VA, via Chesapeake Bay. Which statement about the required pilot is TRUE?
N a. The pilot must be licensed by Virginia or Maryland. N b. The Pilot must be licensed by either Virginia or Maryland. N c. The Pilot must be licensed by Virginia, Maryland and the Coast Guard. Y d. The Pilot need only by licensed by the Coast Guard. 4140: The disadvantage(s) of using web lashing on light vehicles aboard Ro-Ro vessels is that it __________.
N a. deteriorates in sunlight N b. cuts on sharp edges N c. is vulnerable to damage and pilferage Y 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 4248: Which of the following statements is/are TRUE regarding crane operations?
Y a. The crane operator and signalman must be familiar with hand signals. N b. The cranes can be operated from shoreside. N c. The cranes can be operated from the bridge. N d. All of the above