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.
101: You can safely step in the bight of a line __________.
N a. when it is not under strain N b. if both ends are made fast N c. in an emergency Y d. at no time 205: A vessel is to make a voyage between New York and San Juan, Puerto Rico, and return. The crew should be signed on_____________.
Y a. Coastwise Articles N b. Foreign Articles N c. Intercoastal Articles N d. no articles 307: Which type of chemical testing is NOT required of merchant marine personnel?
N a. Pre-employment N b. Periodic N c. Random Y d. Annual 330: You have completed a Dangerous Cargo Manifest for dangerous cargoes loaded on board. It should be kept in a conspicuous location __________.
N a. in the radio room N b. in the ship's office Y c. on or near the bridge N d. outside the Captain's stateroom 364: A long ton is __________.
N a. 1,000 pounds N b. 2,000 pounds Y c. 2,240 pounds N d. 2,400 pounds 435: The amount of force a tug can exert on a stationary pull is called its __________.
N a. brake horsepower N b. indicated horsepower N c. shaft horsepower Y d. bollard pull 459: Petroleum cargo tanks should not be topped off at deck level when loading on a cold day because __________.
Y a. a subsequent temperature rise will cause the cargo to overflow N b. air pockets may cause the cargo to bubble out of the ullage hole N c. the increased viscosity of the product requires higher loading pressure which increases the chances of a spill N d. the tank valve may be stiff and a spill will occur before the valve can be closed 491: A change of a documented vessel's name can only be made by the __________.
N a. American Bureau of Shipping N b. Commissioner of Customs N c. Treasury Department Y d. Coast Guard 496: Your twin-screw vessel is moving ASTERN with rudders amidships. The starboard screw suddenly stops turning. Your vessel's head will __________.
Y a. go to port N b. go to starboard N c. remain stationary N d. suddenly drop down 505: Which form of navigation may be suspended without notice under defense planning?
N a. celestial N b. piloting Y c. electronic N d. None of the above 508: When the dew point of the outside air is lower than or equal to the dew point of the air in the cargo hold, you should __________.
N a. secure all ventilation N b. shut down the exhaust blowers N c. shut down the intake blowers Y d. ventilate the cargo holds 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. 789: Which statement about a centrifugal cargo pump is TRUE?
N a. It is a positive displacement pump. Y b. It must have a positive suction. N c. Increasing rotation speed will decrease discharge pressure. N d. All of the above 828: Your vessel's available bale cubic capacity is 625,000 and her available cargo capacity is 10,000 deadweight tons. Disregarding broken stowage, how many tons of pyrite (stowage factor - 13) and how many tons of cork (s.f. - 150) must be loaded to be full and down?
Y a. 6387 tons pyrite, 3613 tons cork N b. 6721 tons pyrite, 3279 tons cork N c. 7500 tons pyrite, 2500 tons cork N d. 9133 tons pyrite, 867 tons cork 865: A nylon line is rated at 15,000 lbs. breaking strain. Using a safety factor of 5, what is the safe working load (SWL)?
Y a. 3,000 lbs N b. 5,000 lbs N c. 15,000 lbs N d. 65,000 lbs 895: Which factor would NOT lead to removing a towline from service?
N a. An excessive number of miles of towing service. N b. Failing a tensile strength test that proved the towline was no longer appropriate for expected sea conditions. Y c. When heavy grease on the towline saturates the core of the wire rope. N d. Its surface condition is noted, including its corrosion and discoloration. 978: Anyone voluntarily surrendering their license to a U.S. Coast Guard investigating officer signs a statement indicating that __________.
N a. all title to the license is given up for 5 years Y b. their rights to a hearing are waived N c. they may be issued a new license in 5 years after passing another written examination N d. All of the above 999: You are loading 530,000 barrels of cargo oil. At 0945 on 13 April, you find that you have loaded 202,000 barrels. At 1130, you find that you have loaded 223,000 barrels. If you continue at the same rate, you will finish at __________.
N a. 1322, 13 April N b. 1920, 13 April N c. 1120, 14 April Y d. 1305, 14 April 1066: If your propeller is racing in rough weather, you should __________.
Y a. decrease your engine speed N b. ignore it N c. increase your engine speed N d. stop your engine until the rough weather passes 1067: The normal and safest way for a sailor to be lowered in a bosun's chair when descending vertically is __________.
Y a. for that sailor to feed the hauling part through a bosun's chair hitch N b. to lead the hauling part to a cleat on the mast and slacking the sailor down N c. by taking several turns of the gantline on a winch drum and then lower the sailor by backing off on the winch N d. by leading the bight of the hauling part to a rail and taking several turns, then slacking away with the bight 1080: The "inner bottom" is the __________.
Y a. tank top N b. compartment between the tank top and shell of the vessel N c. inner side of the vessel's shell N d. space between two transverse bottom frames 1104: Nylon line can be dangerous because it __________.
N a. breaks down when wet N b. kinks when wet N c. is not elastic Y d. stretches 1191: Which statement is TRUE about the use of a "gob rope"?
N a. The gob rope is a mooring line for tyhing up lighters for working cargo alongside a vessel anchored in an open roadstead. Y b. The gob rope is used to secure the towline aft over the centerline of a tug.. N c. The gob rope is a line hung over a vessel's side to assist in boarding. N d. The gob rope is a rope used in mooring a vessel to a buoy. 1262: 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 __________.
N a. Coast Guard, only if the grounding results in damage to property in excess of $25,000 N b. Coast Guard, only if the grounding results in a loss of life N c. Coast Guard, only if the grounding results in injury to personnel Y d. nearest Coast Guard Marine Safety or Marine Inspection Office as soon as possible 1461: While a vessel is at sea, the mate on watch discovers a fire in one of the hatches. Fire hoses are used to put the fire out and some of the cargo is damaged by water. In marine insurance terms, this partial loss by water is called __________.
N a. an Act of God N b. fire and water damage Y c. general average N d. particular average 1471: One of the requirements for a general average act is __________.
Y a. a successful venture N b. no imminent peril N c. no losses N d. All of the above 1812: A survey of refrigerated cargo, to certify that proper methods of stowage were utilized, can be conducted by the __________.
N a. American Bureau of Shipping N b. Occupational Safety and Health Administration N c. U.S. Coast Guard Y d. National Cargo Bureau 1944: The garboard strake is indicated by which letter? (D033DG )
N a. A N b. B N c. G Y d. H 2023: A mooring line leading at nearly right angles to the keel is a __________.
N a. spring line N b. bow line N c. stern line Y d. breast line 2031: Multi-year ice is the hardest sea ice and should be avoided if possible. It is recognizable because of what tone to its surface color?
N a. Greenish Y b. Bluish N c. Grey N d. Grey-white 2128: Several merchant ships are arriving at the scene of a distress incident. One of the them must assume the duties of the Coordinator Surface Search (CSS). Which of the following statements is TRUE?
N a. CSS duties are always assumed by passenger vessels, dry cargo vessels, or tankers in that order of precedence. Y b. The CSS must be established by mutual agreement between the ships concerned. N c. A tank vessel should never be assigned CSS duties unless only tank vessels are present. N d. The first vessel to arrive at the distress incident is designated as the CSS. 2152: Your vessel has the symbol shown inscribed on the side. Which statement concerning this symbol is TRUE? (DO22DG )
N a. This represents the load line marks when engaged on a voyage upon the Great Lakes. N b. The line directly under the triangle is at the same level as the summer load line. N c. The symbol is the equivalent of a load line marking and is used by government vessels (USN, MSC, USCG) only. Y d. The applicable gross and net tonnage of the ship will change if this mark is submerged and the load line mark is visible. 2222: The lower seam of the strake indicated by the letter B is sometimes riveted. This is done to __________. (D033DG )
N a. increase the strength in a highly stressed area N b. provide the flexibility inherent in a riveted seam Y c. serve as a crack arrestor and prevent hull girder failure N d. reduce construction costs 2245: To determine the number of certificated lifeboatmen required on a vessel, you should check the __________.
N a. Load Line Certificate Y b. Certificate of Inspection N c. Safety of Life at Sea Certificate N d. operations manual 2316: A lookout can leave his/her station __________.
N a. at any time N b. at the end of the watch N c. 15 minutes before the end of the watch Y d. only when properly relieved 2536: Wages due a seaman may be attached by the court for the __________.
N a. payment of any fines imposed by the court N b. payment of back taxes to the IRS Y c. support of a spouse N d. All of the above 2547: 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 Y b. 30 minutes to 1 hour N c. 1 to 6 hours N d. 10 minutes if possible 2554: The welds used to attach stiffeners to a plate are known as __________.
N a. butt welds N b. seam welds Y c. fillet welds N d. plate welds 2595: Yawing can be described as __________.
N a. jumping on the towline as the tow pitches N b. jumping on the towline as the tow slams into waves Y c. veering from side to side on the end of the towline N d. corkscrew motion of the tow due to wave action 2679: Great Lakes cargo vessels, having a liferaft stowed more than 100 meters from the bow or stern, must have at least how many liferafts?
N a. One Y b. Two N c. Three N d. Four 2689: After riveting is completed, the joints on the shell of a vessel are generally made watertight by __________.
N a. faying Y b. caulking N c. felt or canvas packing N d. red lead 2805: "Hard right rudder" means __________.
N a. jam the rudder against the stops Y b. put the rudder over to the right all the way N c. meet a swing to the right, then return to amidships N d. put the rudder over quickly to 15 degrees right rudder 2872: The Sheer Plan __________.
Y a. shows a longitudinal side elevation N b. is an endwise view of the ship's molded form N c. is usually drawn for the port side only N d. has the forebody to the right of centerline and afterbody to the left of centerline 2924: You are on a large vessel fitted with a right-handed controllable-pitch propeller set at maximum forward pitch. Which statement about reversing is TRUE?
N a. When the pitch is reversed, the stern will slew to port even with headway. N b. The vessel will respond to the rudder until sternway is developed, then the stern will slew to starboard. Y c. There will probably be a loss of steering control. N d. The vessel will have full rudder control throughout the speed change from ahead to astern. 2977: You are proceeding under NCS (Naval Control of Shipping) when you wish to send a message concerning your ships diversion. Which precedence would you assign this message?
Y a. P (PRIORITY) N b. Z (FLASH) N c. R (ROUTINE) N d. O (IMMEDIATE) 3352: The signal man assisting the crane operator has his arm extended, his fingers closed, and his thumb pointing downward. This is the signal to __________.
N a. hoist the load N b. raise the boom Y c. lower the boom N d. lower the load 3454: For any given pedestal crane, when the boom is lengthened, the lifting capacity is __________.
N a. unchanged N b. increased N c. eliminated Y d. decreased 3502: The point that is halfway between the forward and after perpendicular and is a reference point for vessel construction is the __________.
N a. half length N b. mid-body N c. center line Y d. amidships 3614: While you are on watch, you learn that a crewman has not been seen on board for the past three hours. Which type of turn is best in this man-overboard situation?
N a. Round Y b. Scharnow N c. Racetrack N d. Single turn of 180° 3681: While you are on watch entering port, the Master gives the helmsman a rudder command which conflicts with a rudder command from the Pilot. You should make sure the helmsman __________.
N a. obeys the Pilot Y b. obeys the Master N c. asks you for instructions N d. brings the rudder to a point midway between the two conflicting positions 3684: In towing, heaving lines are used for __________.
N a. passing a tow bridle to the tug Y b. passing a messenger line N c. heaving in the tow bridle N d. service lines with rocket line throwers 4006: No hot work shall be performed on board a vessel with hazardous materials as cargo unless the work is approved by the __________.
N a. American Bureau of Shipping Y b. local U.S. Coast Guard Captain of the Port N c. National Cargo Bureau N d. harbormaster 4068: What produces the MOST dangerous vapors?
Y a. Anhydrous ammonia N b. Camphor oil N c. Methyl alcohol N d. Pentane 4118: Which factor(s) affect lashing requirements aboard Ro-Ro vessels?
Y a. Ship’s characteristics and motion in a seaway N b. Trim of the vessel N c. Wide variations of air temperature N d. All of the above 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 4186: How could lashing gear used aboard Ro-Ro vessels be stowed when not in use?
Y a. Drape along brackets N b. Leave in place while back loading cargo to save time N c. Hang vertically in the paint locker N d. All of the above 4239: Which safety precaution(s) should be observed during crane operations?
N a. Checking for proper lifting from beneath the load during cargo operations Y b. Using the proper slings or other lifting devices during cargo operations N c. Relaying communications to port agents on the pier during cargo hoists N d. All of the above 4250: Which action(s) is/are included in crane operations?
N a. Pre-operation checks and start-up N b. Removing booms from stowage N c. Luff, slew, and hoist operations Y d. All of the above 4256: Which of the following statement(s) is/are FALSE regarding a twin pedestal crane set?
N a. The cranes may be operated independently. N b. The cranes may be interconnected for twin operation. Y c. The cranes are powered by independent internal combustion power units. N d. All of the above 4875: The crane manufacturer's operating tables are posted near the __________.
N a. crane pedestal N b. wire-rope locker N c. main deck Y d. crane controls