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.
68: Odorous cargoes are those that __________.
N a. are susceptible to damage by tainting N b. are exceptionally dusty and leave a residue N c. are liquid, but in containers Y d. give off fumes that may damage other cargoes 76: Leeway is the __________.
N a. difference between the true course and the compass course N b. momentum of a vessel after her engines have been stopped Y c. lateral movement of a vessel downwind of her intended course N d. displacement of a vessel multiplied by her speed 76: Leeway is the __________.
N a. difference between the true course and the compass course N b. momentum of a vessel after her engines have been stopped Y c. lateral movement of a vessel downwind of her intended course N d. displacement of a vessel multiplied by her speed 115: During the course of a voyage, a seaman falls on the main deck and injures his ankle. The Master should submit a Report of Marine Accident, Injury or Death if the __________.
N a. injury is the result of misconduct N b. injury results in loss of life only N c. injured need first aid Y d. injured is incapacitated 142: What is NOT an advantage of centrifugal pumps over reciprocating pumps?
N a. They pump more cargo in less time. N b. They are smaller for equivalent pumping ability. N c. They are less expensive. Y d. They require priming for stripping. 144: The lookout sights a vessel dead ahead. This should be reported on the bell with __________.
N a. one bell N b. two bells Y c. three bells N d. four bells 152: A petroleum liquid has a flash point of 135°Fahrenheit. This liquid is classed as a grade __________.
N a. B flammable liquid N b. C flammable liquid Y c. D combustible liquid N d. E combustible liquid 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. 287: On the cargo manifest, the weight of the cargo inside a box is called __________.
N a. gross weight Y b. net weight N c. light weight N d. rate weight 299: Cargo transfer operations on a tank vessel need NOT be stopped when __________.
Y a. a tug comes alongside while the tanker is loading grade D and E cargoes N b. a large, fresh oil spill is discovered immediately adjacent to the side of the tanker N c. there is an electrical storm in the vicinity N d. there is a fire on the dock or on a nearby vessel 306: You are aboard a single-screw vessel with a right-handed propeller. The vessel is dead in the water and the rudder is amidships. If you reverse your engine you would expect your vessel to __________.
Y a. kick its stern to port N b. kick its stern to starboard N c. move astern without swinging N d. swing its stern to starboard, then to port 361: The strictest load line regulations apply to __________.
N a. gas carriers N b. freighters (break-bulk) Y c. passenger ships N d. tankers 422: Which method should be used to secure a synthetic fiber line to two bitts?
Y a. Two round turns on the bitt closest to the strain and then figure eights N b. Two round turns on the bitt farthest from the strain and then figure eights N c. Figure eights and then a round turn at the top of both bitts N d. Only figure eights are necessary on both bitts 465: Which structural members improve a towing vessel's chance of surviving punctured shell plating?
N a. Stringers N b. Longitudinals Y c. Transverse watertight bulkheads N d. The rake 525: To lay out a towing hawser in a fore-and-aft direction so each bight is clear and can run out freely without snagging describes __________.
N a. flemishing Y b. faking N c. spooling N d. worming, parceling and serving 542: Which best describes a "fishplate" used in towing?
Y a. A triangular-shaped heavy steel plate with a round hole inset from each corner N b. A steel plate in the shape of a flat fish N c. A rectangular-shaped piece of heavy steel plate with four holes N d. A circular piece of heavy steel with three holes forming an equilateral triangle 542: Which best describes a "fishplate" used in towing?
Y a. A triangular-shaped heavy steel plate with a round hole inset from each corner N b. A steel plate in the shape of a flat fish N c. A rectangular-shaped piece of heavy steel plate with four holes N d. A circular piece of heavy steel with three holes forming an equilateral triangle 544: If the winch should fail while you are hauling in the anchor, what prevents the anchor cable from running out?
N a. Chain stopper N b. Devil's claw N c. Hawse ratchet Y d. Riding pawl 604: The term "lee side" refers to the __________.
N a. side of the vessel exposed to the wind Y b. side of the vessel sheltered from the wind N c. port side N d. starboard side 619: What is NOT a requirement for the safe and effective use of a crude oil washing system?
N a. Strip all tanks and remove the bottom residue. N b. Use an inert gas system while washing tanks. Y c. Use portable washing machines to reach areas obscured by structural members in the tanks. N d. Decant one meter from the source tank for the tank cleaning machines. 749: Butadiene, inhibited, is labeled as a __________.
N a. combustible liquid Y b. flammable gas N c. flammable liquid N d. flammable solid 770: The ratio of the height of a vessel's rudder to its width is referred to as the __________.
Y a. aspect ratio N b. constriction ratio N c. rudder ratio N d. steering ratio 778: What is the stowage factor of a commodity whose density is 15 pounds per cubic foot?
N a. 15 N b. 45 N c. 133 Y d. 149 782: The owner or Master of a towing vessel shall ensure that each person that directs and controls the movement of the vessel can accurately fix the vessel's position using all of the following EXCEPT ___________ .
N a. installed navigational equipment Y b. buoys alone N c. all available aids to navigation N d. depths soundings and hydrographic contour lines 788: The lower hold of your vessel has a bale capacity of 45,000 cubic feet. How many cases of a cargo weighing 450 lbs. and measuring 2.5 feet by 3 feet by 3 feet could be stowed in the hold, assuming a broken stowage factor of 15 percent?
N a. 300 N b. 675 N c. 1325 Y d. 1700 884: When towing astern, each towline must meet all of these requirements, EXCEPT ___________ .
Y a. being suitable for use as soon as it is removed from its normal stowage location N b. having wire clips for other than a temporary repair N c. having the end either spliced with a thimble or fitted with a poured socket N d. being free of knots 1118: Which situation requires you to furnish a notice of marine casualty to the Coast Guard?
N a. You collide with a buoy and drag it off station with no apparent damage to the vessel or the buoy. N b. A seaman slips on ice on deck and sprains his ankle, requiring an ace bandage. Y c. Your vessel is at anchor and grounds at low tide with no apparent damage. N d. Storm damage to the cargo winch motors requiring repairs costing $19,000. 1127: All entries in the Official Logbook must be signed by the Master and __________.
N a. the Chief Engineer N b. the person about whom the entry concerns Y c. one other crew member N d. No other signature is required. 1161: The document that the Master uses to attest to the truth of the manifest of cargo is called __________.
N a. Master's Protest Y b. Oath of Entry N c. Owner's Oath N d. Shipper's Certification 1314: A wire rope rove through two single blocks with two parts at the moving block is used for a boat fall. The weight of the 100-person boat is 5 tons. Compute the required breaking strain. Safety Factor - 6, weight per person - 165 lbs., 10% friction per sheave (2 sheaves).
N a. 18.30 tons B.S. N b. 20.29 tons B.S. Y c. 22.27 tons B.S. N d. 24.31 tons B.S. 1508: While towing, sudden shock-loading caused during heavy weather can be reduced by __________.
N a. using a short tow hawser N b. using a nonelastic type hawser Y c. using a heavier hawser N d. decreasing the catenary in the hawser 1515: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated ROUTINE will be delivered within __________.
N a. 30 minutes to 1 hour N b. 1 to 6 hours Y c. 3 hours to start of business the following day N d. 10 minutes if possible 1609: For vessels fitted with cargo gear, an initial test of the units under a proof load shall be conducted. Subsequent tests and exams of the same nature shall be carried out at what time interval?
N a. 1 year N b. 3 years N c. 4 years Y d. 5 years 1620: Owing to the greater girth of a ship amidships than at the ends, certain strakes are dropped as they approach the bow and stern to reduce the amount of plating at the ends. These strakes are called __________.
Y a. drop strakes N b. stealers N c. throughs N d. voids 1620: Owing to the greater girth of a ship amidships than at the ends, certain strakes are dropped as they approach the bow and stern to reduce the amount of plating at the ends. These strakes are called __________.
Y a. drop strakes N b. stealers N c. throughs N d. voids 1651: Which document is NOT required by law to be posted aboard a vessel?
Y a. Official Crew List N b. Certificate of Inspection N c. Officer's licenses N d. Muster List 1687: What is the perimeter of a circle with a radius of 4.2 feet?
Y a. 26.39 ft N b. 21.19 ft N c. 17.81 ft N d. 13.20 ft 1807: When evacuating a seaman by helicopter lift, which statement is TRUE?
N a. Evacuation should be from an area forward of the bridge. N b. The vessel should be slowed to bare steerageway. N c. If the hoist is at the stern, booms extending aft at the stern should be cradled with the topping lifts hove taut. Y d. The litter should not be touched until it has been grounded. 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 1839: When relieving the helm, the new helmsman should find it handy to know the __________.
N a. leeway N b. variation in the area Y c. amount of helm carried for a steady course N d. deviation on that heading 1872: 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 N b. 1 to 6 hours N c. 30 minutes to 1 hour Y d. less than 10 minutes 1887: A small light tackle with blocks of steel or wood that is used for miscellaneous small jobs is called a __________.
N a. snatch block N b. threefold purchase Y c. handy-billy N d. chockablock 2177: Under normal weather and sea conditions when securing a stack of containers with non-locking fittings, lashings are required when the tier exceeds what height?
Y a. Lashings are always required N b. One container N c. Two containers N d. Three containers 2187: You are using tackle number 10 to lift a weight. The hauling part of this tackle is bent to the weight hook (w) of tackle number 5. What is the mechanical advantage of this rig? (DO29DG )
Y a. 25 N b. 20 N c. 15 N d. 10 2353: Which mooring line prevents sideways motion of a vessel moored to a pier?
N a. A line led forward from the bow N b. A line led aft from the bow N c. A line led in the same direction as the keel Y d. A line led at a right angle to the 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. 2492: When a tug makes up to a large vessel, the spring line should lead from the forwardmost part of the tug so that __________.
N a. friction on the spring line is minimized N b. the length of the spring line is minimized N c. the head line and spring line can be worked simultaneously Y d. the tug can pivot freely 2792: When relieving the helm, the new helmsman should find it handy to know the __________.
N a. variation in the area Y b. amount of helm carried for a steady course N c. leeway N d. deviation on that heading 2862: What is used to prevent accidental flooding of a double bottom or peak tanks in the event of a pipe rupture due to collision?
N a. Separate lines are provided for filling and pumping these tanks. N b. Pipe lines must run vertically from the tank to a point above the margin line before turning fore or aft towards the pump. N c. All tanks must be served by the fewest possible number of pipes to reduce the possibility of rupture. Y d. Suction lines are fitted with a non-return valve 3020: The main underdeck pipeline on a tankship is connected to individual tanks by __________.
N a. tank drops N b. line drops N c. crossovers Y d. branch lines 3068: While loading a cargo of grain, your vessel develops a list to starboard. This will be corrected by __________.
N a. the compensating tanks on the high side Y b. the list man changing the discharge location of the chutes N c. allowing the grain to level itself as the hold fills to the spar deck level N d. trimming the final loading cone by hand 3138: When pushing ahead, wires leading from the quarters of the after outboard barges to the bow of a towboat __________.
N a. prevent the towboat from sliding when the rudder is moved Y b. prevent the barges from spreading out when backing down N c. hold the towboat securely to the barges N d. prevent the sidewise movement of the face barges 3140: If the Certificate of Inspection of a damaged tank barge has expired, which certificate may be issued to allow its movement to a repair facility?
N a. Change of employment Y b. Permit to proceed N c. Application for inspection N d. Temporary Certificate of Inspection 3152: The danger of a towing vessel tripping is increased the closer the towline is secured to __________.
N a. the stern Y b. amidships N c. the bow N d. the quarter 3576: Heave is motion along the __________.
N a. longitudinal axis N b. transverse axis Y c. vertical axis N d. centerline axis 4048: You are arriving in port and are assigned to anchor in anchorage circle B-4. It has a diameter of 600 yards and your vessel's LOA is 525 feet. If you anchor in 10 fathoms at the center of the circle, what is the maximum number of shots of chain you can use and still remain in the circle?
Y a. 4 shots N b. 5 shots N c. 6 shots N d. 7 shots 4048: You are arriving in port and are assigned to anchor in anchorage circle B-4. It has a diameter of 600 yards and your vessel's LOA is 525 feet. If you anchor in 10 fathoms at the center of the circle, what is the maximum number of shots of chain you can use and still remain in the circle?
Y a. 4 shots N b. 5 shots N c. 6 shots N d. 7 shots 4088: With a given load on the cargo hook, the thrust on a cargo boom __________.
Y a. increases as the angle to the horizontal increases N b. increases as the angle to the horizontal decreases N c. is greatest at an angle of 45° and decreases as the boom is raised or lowered N d. is least at an angle of 45° and increases as the boom is raised or lowered 4112: What is(are) standard operating procedure(s) used on a Ro-Ro vessel?
N a. One engineer officer assigned to oversee the initial loading and lashing N b. Cargo lashings may be removed at sea for maintenance Y c. Periodic inspection and retensioning of lashings during the voyage N d. All of the above 4243: What is/are the advantage(s) of cranes over conventional cargo booms?
N a. Cranes are able to pick up and drop loads over a greater spotting area N b. Increased safety because the deck is clear of running and standing rigging N c. Simplicity of operation of the crane by its operator Y d. All of the above