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.
39: Combustible liquids are divided into how many grades?
N a. One Y b. Two N c. Three N d. Four 97: Chafing gear should be placed __________.
Y a. at all wearing points of mooring lines N b. at the bitter ends of all standing rigging N c. around running rigging N d. on wire rope only 138: Which vessel is most likely to be loaded full but not down?
N a. A bulk carrier loaded with heavy ore N b. A bulk carrier loaded with steel Y c. A break bulk vessel loaded with palletized cargo N d. A tanker loaded with heavy grain 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 167: You are on a large merchant vessel entering a U.S. port. There is a Pilot on board and he has the conn. Which statement is TRUE?
N a. The Pilot is solely responsible for the safe maneuvering of the ship only if he is required to be on board by law. Y b. The Master is responsible for the safe navigation of the ship and the Pilot is employed for his local knowledge. N c. The Pilot is solely responsible for the internal working of the ship. N d. The Pilot becomes solely responsible for the safe navigation of the vessel only if the Master relinquishes the conn. 170: Which is NOT required on a tankship carrying hazardous liquid cargoes in bulk?
N a. A copy of 46 CFR parts 35 and 150 Y b. Certificate of Adequacy for the hazardous cargoes carried N c. Certificate of Inspection issued under the Tank Vessel Regulations N d. Cargo piping plan showing loading rates for all applicable cargo lines 170: Which is NOT required on a tankship carrying hazardous liquid cargoes in bulk?
N a. A copy of 46 CFR parts 35 and 150 Y b. Certificate of Adequacy for the hazardous cargoes carried N c. Certificate of Inspection issued under the Tank Vessel Regulations N d. Cargo piping plan showing loading rates for all applicable cargo lines 204: What does the helm command "shift the rudder" mean?
Y a. Put the rudder over to the opposite side, the same number of degrees it is now. N b. Put the rudder amidships and hold the heading steady as she goes. N c. Shift the rudder control to the alternate steering method. N d. Stop the swing of the ship. 321: Which is a TRUE statement concerning the examining of cargo equipment at the time of a vessels Inspection for Certification.
N a. Cargo booms must be weight tested at this time by the U.S. Coast Guard. N b. Cargo booms must be weight tested at this time by the American Bureau of Shipping. N c. Cargo booms must be weight tested at this time by the National Cargo Bureau. Y d. No test at this time is required. 337: On a coastwise tugboat of 199 GT, on a voyage over 600 miles, what percentage of the deck crew (excluding licensed officers) must hold a document of able seaman?
Y a. 65% N b. 50% N c. 25% N d. 0% 417: When inspecting wire rope that has been in use for some time, one must look for __________.
N a. fishhooks N b. kinks N c. worn spots Y d. All of the above 438: Your vessel is loaded with nonhygroscopic cargoes and is going from a cold to a warm climate. You should __________.
N a. start the exhaust blowers N b. start the intake blowers Y c. not ventilate the cargo holds N d. ventilate the cargo holds 493: What does "end for end" mean in regard to a towing hawser?
N a. To take the kinks out of the hawser N b. To fake it down in figure eights N c. To increase the catenary Y d. To swap ends of the hawser to minimize wear 569: In order to reduce the accumulation of static electricity while loading petroleum products, you should __________.
N a. start to load at maximum pressure Y b. start to load slowly N c. increase the air flow into the tank N d. use the overall method of loading only 579: The terminal indicates to you that they are going to use a booster pump to assist the discharging operation. You start the discharge, and in a few minutes the pressure drops sharply. This could be a result of the __________.
Y a. booster pump coming on the line and discharging properly N b. booster pump failing to start N c. booster pump being lined up in the wrong direction N d. ship's pump speeding up 652: When plugging holes below the waterline you should __________.
N a. eliminate all water entering the hole N b. only plug holes in machinery or other vital spaces Y c. reduce the entry of water as much as possible N d. plug the largest holes first 659: You are planning to use the crude oil washing system on your tankship. What is required to prevent electrostatic buildup in the tanks?
N a. The portable machines must be set at the proper drop for the first wash before the fixed machines are used. Y b. The source tank for the tank cleaning machines must have least one meter decanted from it. N c. The inert gas system must reduce the oxygen content in the tanks to a maximum of 18%. N d. The fixed machines must be operated simultaneously with the portable machines to equalize the electrostatic potential. 790: Which statement is TRUE of centrifugal pumps aboard tank vessels?
N a. They are positive displacement pumps. Y b. They are gravity-fed. N c. They produce a pulsating flow. N d. They require more maintenance than a reciprocating pump. 804: Line is called "small stuff" if its circumference is less than __________.
N a. 1/2" N b. 3/4" N c. 1" Y d. 1 3/4" 814: In the manufacture of line, plant fibers are twisted together to form __________.
N a. cable N b. line N c. strands Y d. yarns 864: During the manufacture of line, yarns are twisted together in the __________.
Y a. opposite direction from which the fibers are twisted together to form strands N b. same direction the fibers are twisted to form strands N c. opposite direction from which the fibers are twisted together to form the line N d. opposite direction from which the fibers are twisted together forming cables 919: A deepwell pump is a type of __________.
N a. screw pump Y b. centrifugal pump N c. eductor N d. gear pump 925: In illustration D044DG, the mooring line labeled "E" is called a(n) __________. (DO44DG )
N a. bow line N b. after spring line Y c. bow spring line N d. forward breast line 957: Your vessel has completed an inspection for certification and is issued a Temporary Certificate of Inspection. The Temporary Certificate __________.
Y a. has the full force of the regular Certificate of Inspection N b. expires six months after it is issued N c. must be exchanged for a regular Certificate of Inspection within 3 months N d. is retained in the custody of the Master 960: Gross tonnage indicates the vessel's __________.
N a. displacement in metric tons N b. total weight including cargo Y c. volume in cubic feet N d. draft in feet 983: When a vessel is on autopilot steering, the "weather " control is adjusted to compensate for which severe weather effect on a vessel?
Y a. Yaw N b. Roll N c. Pitch N d. Leeway 987: What does the helm command "shift the rudder" mean?
N a. Stop the swing of the ship. N b. Shift the rudder control to the alternate steering method. N c. Put the rudder amidships and hold the heading steady as she goes. Y d. Put the rudder over to the opposite side, the same number of degrees it is now. 1083: Which of the knots, bends, or hitches shown in the illustration would you use to properly secure a bosun's chair to a gantline? (D030DG )
N a. G N b. I N c. Q Y d. R 1124: Which material makes the strongest mooring line?
N a. Sisal N b. Manila Y c. Nylon N d. Polyethylene 1129: The main function of a stripping system is to __________.
N a. maintain the temperature of the cargo throughout the vessel N b. dispose of dangerous vapors within the cargo tanks N c. increase the loading rate of the shoreside pumps Y d. discharge liquid left in the cargo tanks after the main pumps have discharged the bulk 1134: The critical point in nylon line elongation is about __________.
N a. 20% N b. 30% Y c. 40% N d. 50% 1285: Which information MUST be entered on the muster list?
N a. Names of all crew members N b. Use and application of special equipment N c. Listing of approved emergency equipment Y d. Duties and station of each person during emergencies 1411: The time allowed for loading and discharging cargo in a charter party is referred to as __________.
N a. charter hire N b. demurrage N c. dispatch Y d. lay days 1424: A wire rope for a 10-ton boom on a vessel shows signs of excessive wear and must be replaced. What safety factor should be used when ordering a new wire?
N a. 4 Y b. 5 N c. 6 N d. 7 1446: The marking on an anchor chain for 30 fathoms is __________.
Y a. two links on each side of the 30 fathom detachable link are painted white N b. one link on each side of the 30 fathom detachable link is painted white N c. three links on each side of the 30 fathom detachable link are painted white N d. only the detachable link is painted red 1517: Which picture represents a timber hitch? (DO30DG )
Y a. E N b. F N c. N N d. U 1520: A welded joint's effectiveness is considered __________.
N a. 48% N b. 90% Y c. 100% N d. 121% 1663: A bench hook is used for __________.
N a. handling of cargo cases N b. hanging oilskins Y c. sewing canvas N d. splicing small stuff 1680: In vessel construction, the garboard strake is __________.
Y a. located next to and parallel to the keel N b. located next to and parallel to the gunwale N c. another term for the bilge keel N d. another term for the rub rail 1704: Whipping the bitter end of a fiber rope __________.
N a. increases the circumference of the rope N b. makes for easier handling Y c. prevents fraying of the bitter end N d. prevents moisture from entering the bitter end 1738: Which vessel is required by regulations to have an Official Logbook?
Y a. A 100-gross ton tug on a trip between Baltimore, Maryland, and San Pedro, California. N b. A 199-gross ton tug on a coastwise trip of 610 miles. N c. A 66-gross ton tug operating between states. N d. All of the above 1781: Which organization usually assigns load lines to U.S. vessels?
N a. National Load-Line Agency N b. National Shipping Bureau Y c. American Bureau of Shipping N d. American Regulations Council 1781: Which organization usually assigns load lines to U.S. vessels?
N a. National Load-Line Agency N b. National Shipping Bureau Y c. American Bureau of Shipping N d. American Regulations Council 1815: "Ease the rudder" means to __________.
N a. steer the course which is your present heading N b. move the rudder slowly in the direction of the most recent rudder command N c. bring the rudder amidships Y d. decrease the rudder angle 1817: Refrigeration machinery is often surveyed before loading reefer cargo. This survey is usually performed by the __________.
N a. U.S. Coast Guard Y b. American Bureau of Shipping N c. National Cargo Bureau N d. local port authority 1831: A "loose" tow may cause all of the following EXCEPT __________.
N a. loss of maneuverability N b. lines to part N c. damage to the towing vessel and tow Y d. a saving in the transit time 1920: Which form of navigation may be suspended without notice under defense planning?
Y a. electronic N b. celestial N c. piloting N d. None of the above 2013: A mooring line that checks forward motion of a vessel at a pier is a __________.
N a. bow line N b. forward bow line Y c. stern line N d. stern breast line 2148: 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?
Y a. All crew members must have Merchant Mariner's Documents. N b. A licensed Chief Engineer is required. N c. Deck watches may be 6 and 6. N d. Able Seamen are not required in the deck crew. 2452: Which is an advantage of using watertight longitudinal divisions in double bottom tanks?
Y a. Cuts down free surface effect N b. Increases the rolling period N c. Decreases weight because extra stiffeners are unneeded N d. Lowers the center of buoyancy without decreasing GM 2502: A tow of 9 barges is made up three abreast by three long. The towboat is faced up to the last barge of the center string. The outer two strings of barges are the __________.
N a. port and starboard strings N b. outer strings Y c. drag strings N d. side strings 2512: Ultrasonic testing is used to determine the thickness of a vessel's shell plating and to __________.
N a. provide tail shaft clearances Y b. test welds for subsurface defects N c. check the wear of the rudder carrier bearing N d. test the links of the anchor cables while being ranged 2652: You are using the anchor to steady the bow while maneuvering. You have the proper scope of anchor cable when the __________.
Y a. bow is held in position with the engines coming slowly ahead N b. anchor is just touching the bottom N c. scope is not more than 5 times the depth of the water N d. cable enters the water at an angle between 60° and 85° from the horizontal 2658: A Kip is equal to __________.
Y a. 1000 lbs. N b. 1000 kgs. N c. 2000 lbs. N d. 2240 lbs. 3046: What is an explosion hazard when exposed to flame?
N a. Formic acid N b. Nitrous oxide N c. Tallow Y d. Toluene 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 3162: When maneuvering from pull towing to breasted (alongside) towing, a twin-screw vessel is more likely than a single-screw vessel of equal horsepower to __________.
N a. trip or capsize Y b. foul the towline N c. go into irons N d. part the towing strap 4064: Which statement concerning castor oil is TRUE?
N a. It has a Reid vapor pressure of 9.5. N b. It has a specific gravity of 1.3. N c. The boiling point is 215°F (102°C). Y d. It is a grade E combustible liquid. 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 4134: What may NOT be used when securing heavy vehicles aboard Ro-Ro vessels?
N a. Chain lever N b. Turnbuckle Y c. Webbing N d. Chain