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.
148: Overcarriage is best prevented by __________.
N a. assuring heavy cargo is stowed low in the vessel N b. checking the vessel's load line calculations carefully Y c. inspection of the hold at completion of discharge N d. stowing the cargo which is to be discharged last on the bottom 176: The turning circle of a vessel is the path followed by the __________.
N a. tipping center N b. bow N c. outermost part of the ship while making the circle Y d. center of gravity 191: An alien crewmember with a D-1 permit leaves the vessel in a U.S. port and fails to return. The first report you make should be to the __________.
N a. Customs Service Y b. Immigration Service N c. local police N d. OCMI 207: A towing vessel's capability is BEST measured by horsepower, maneuverability, displacement, and __________.
N a. stability N b. propeller design Y c. bollard pull N d. towing winch horsepower 245: The fitting that allows a boom to move freely both vertically and laterally is called the __________.
N a. swivel N b. lizard N c. spider band Y d. gooseneck 266: The distance that a ship moves forward with each revolution of its propeller, if there is no slip, is called __________.
N a. advance N b. head reach Y c. pitch N d. transfer 323: You are transporting dangerous cargo on your vessel. The regulations require you to __________.
Y a. periodically inspect it and make an entry in a log N b. keep a warning sign posted nearby N c. keep a fire hose run out and ready for use if needed N d. allow no chipping or painting in the vicinity of the cargo 390: A package contains nitric acid solution and is radioactive. The radiation level at the package surface is .36 millirems per hour. How should this package be labeled?
N a. Radioactive II and oxidizer N b. Radioactive II and poison Y c. Radioactive I and corrosive N d. Fissile class I 430: On a manned vessel carrying packaged hazardous cargo, the hazardous materials shall be inspected __________.
N a. every 24 hours unless equipped with a fire detecting system N b. prior to entry into a U.S. port N c. after stowage is complete Y d. All of the above 470: A fiber towing hawser should be stowed __________.
Y a. in an enclosed rope locker with adequate air circulation N b. by spooling it on the winch N c. by coiling it on deck N d. by hanging it in the engineroom 484: On stud-link anchor chain the addition of the stud increases the strength of the link by about __________.
N a. 10% Y b. 15% N c. 20% N d. 50% 550: If the towing bridle legs are not of equal length __________.
N a. excessive strain is placed on the shorter leg N b. the shorter leg may fail N c. the longer leg is slack Y d. All of the above 551: The name and hailing port of a documented commercial vessel is __________.
N a. not required to be marked anywhere on the vessel N b. required to be marked on both bows and on the keel Y c. required to be marked on the stern with the name of the vessel marked on both bows N d. required to be marked on the keel, stern, and both bows 553: A bridle for an ocean tow consists of __________.
Y a. two chains of equal length N b. a single nylon pendant rove through a heavy ring free to move on the pendant N c. two long legs of wire rope shackled to a fishplate N d. a single length of heavy chain with both ends secured on deck to welded pad eyes 716: Your vessel is proceeding along a narrow channel. The effect called bank cushion has which effect on the vessel?
Y a. Forces the bow away from the bank N b. Forces the stern away from the bank N c. Forces the entire vessel bodily away from the bank N d. Decreases the draft at the bow 909: What is the purpose of the relief valve of a cargo pump?
N a. Provides for the removal of vapors N b. Allows two or more tanks to be filled at the same time N c. Provides for the emergency shutdown of the pump Y d. Permits the return of cargo to the suction side of the pump 1144: Which rope has the greatest breaking strength?
N a. Manila Y b. Nylon N c. Polyethylene N d. Polypropylene 1154: Which line would be least likely to kink?
Y a. Braided N b. Left-handed laid N c. Right-handed laid N d. Straight laid 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 1381: The Master of a vessel may tender a Notice of Readiness to the charterer when the vessel __________.
N a. has completed the terms of the charter party Y b. is in all respects ready to load N c. is in all respects ready to sail N d. is safely moored or at a suitable anchorage 1431: A charterer is unable to complete the loading of a vessel during the lay days specified in the charter party. Under these circumstances, the __________.
Y a. vessel operator can collect demurrage N b. ship is authorized extra time to discharge the cargo N c. charterer must pay dispatch money N d. effective period of the charter is extended 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 1518: Your vessel is being towed and back-up wires have been installed. Back-up wires carry the towing load in the event that the __________.
N a. bridle legs part Y b. towing bitt or pad eye fails N c. bight ring fails N d. main towing hawser parts 1548: What could be used as fairleads on a towed vessel?
N a. Chocks N b. Double bitts N c. Roller chocks Y d. All of the above 1613: Which splice should you use in order to make a permanent loop in a line?
N a. Back splice Y b. Eye splice N c. Long splice N d. Short splice 1627: A claim for cargo damages may be held against the shipowner if such damage is the result of failure of the ship's officers to __________.
Y a. ensure the fitness and safety of cargo spaces N b. ensure adequate packaging of the cargo N c. prevent delays due to quarantine restrictions N d. correct all defects in the ship's construction 1633: The strongest way to join the ends of two ropes is with a __________.
N a. back splice Y b. short splice N c. square knot N d. carrick bend 1653: Which tool is used to open the strands of fiber lines when making an eye splice?
N a. Belaying spike Y b. Fid N c. Heaver N d. Pricker 1653: Which tool is used to open the strands of fiber lines when making an eye splice?
N a. Belaying spike Y b. Fid N c. Heaver N d. Pricker 1688: Grade E combustible liquids have a flash point of __________.
N a. 80°F to 150°F Y b. 150°F or above N c. 60°F to 100°F N d. 90°F to 120°F 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. 1791: Which factor does NOT affect the required freeboard of a cargo vessel?
N a. Season of the year N b. Geographic zone of operation N c. Density of the water Y d. Condition of trim in normal operation 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 2065: A continual worsening of the list or trim indicates __________.
N a. negative GM Y b. progressive flooding N c. structural failure N d. an immediate need to ballast 2111: You are anchoring in 16 fathoms of water. On a small to medium size vessel, the __________.
N a. anchor may be dropped from the hawsepipe Y b. anchor should be lowered to within 2 fathoms of the bottom before being dropped N c. scope should always be at least ten times the depth of the water N d. scope should always be less than 5 times the depth of the water 2225: Which knot should be used to secure a line to a spar when the pull is perpendicular to the spar? (DO30DG )
N a. E Y b. F N c. N N d. P 2282: Using the graph in illustration D008DG, if the dry bulb temperature is 77° and the wet bulb temperature is 69°, what is the relative humidity in a cargo hold? (D008DG )
Y a. 67% N b. 70% N c. 77% N d. 81% 2292: The biggest problem encountered when towing bridle legs are too short is __________.
N a. retrieval N b. adjusting tension Y c. excessive strain N d. hookup to main towline 2386: A vessel has an amidships superstructure. Which location would be most suitable for main deck stowage of vehicles?
N a. On top of #1 hatch N b. Beside the hatches, forward of the midships house N c. On top of the aftermost hatch on the vessel Y d. On top of the hatch immediately aft of the midships house 2516: Which statement about the dangerous cargo manifest, carried on a ship, is TRUE?
N a. The manifest must be made up by the Master or other designated ship's officer. N b. Shipments of hazardous and non-hazardous cargo may be listed on the manifest if they are destined for the same consignee. Y c. The manifest must be kept in a designated holder on or near the bridge. N d. The type of label(s) required for each cargo must be indicated. 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 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 3013: Which will NOT reduce yawing of a tow?
N a. Increasing the length of the towing hawser Y b. Trimming the tow by the bow N c. Trimming the tow by the stern N d. Drogues put over the stern 3076: The part of the anchor indicated by the letter K is the __________. (D038DG )
N a. crown Y b. ring N c. shank N d. bending shot 3089: How does an icebreaker normally free a ship which has become beset while navigating independently?
N a. By backing down the track and cutting out ice on either bow Y b. By approaching from the stern and crossing ahead at an angle of 20° to 30° to the beset ship's course N c. By overtaking the beset ship, running ahead and then backing down the track to the beset vessel N d. By approaching the vessel from astern and towing the beset vessel stern first 3099: A lashing used to secure two barges side by side, lashed in an "X" fashion, is called a __________.
N a. quarter line N b. back line N c. peg line Y d. jockey line 3470: The section of each end of a barge which is heavily reinforced to take the pressure of pushing is called the __________.
Y a. headlog N b. towhead N c. collision bulkhead N d. bullnose 3519: Strengthening damaged bulkheads by using wood or steel is called __________.
N a. bracing N b. battening N c. blocking Y d. shoring 3540: While on duty as a look-out, which other duty may you perform?
N a. Sweep down the fo'c'sle N b. Paint any area near your station N c. Overhaul a block, as long as it is at your look-out station Y d. None of the above 3560: What should look-outs report?
N a. Discolored water N b. Shoals N c. Floating objects Y d. All of the above 3602: What is the penalty for desertion?
N a. Fine of not more than 2000 dollars and forfeiture of wages N b. Imprisonment for not more than 2 years and/or a fine of not more than 2000 dollars N c. Revocation of Merchant Mariner's Document (and license if applicable) and forfeiture of wages due Y d. Forfeiture of money and property left on the vessel, and wages due 3606: A spreader bar is used to __________.
N a. increase the lifting capacity N b. increase the lifting radius N c. protect the slings Y d. protect the upper part of a load 3840: You are lifting a one-ton weight with a swinging boom. When comparing the stresses on 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 thrust on the boom is greater at 20°. N b. The stress on the topping lift is greater at 60°. Y c. The stress on the heel block is less at 60°. N d. The change in angle of elevation has no effect on the stresses in the head block. 3950: In general, an unreinforced vessel can safely navigate in ice provided the concentration does not exceed how many OKTAs?
N a. 1 Y b. 2 N c. 3 N d. 4 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. 4103: Which of the following is not a loading or transfer feature aboard a Ro-Ro vessel?
N a. Stern ramp and/or side ramp N b. Cargo lift N c. Hatch opening designed as a lift Y d. Stuelcken boom 4139: A disadvantage of using chain lashing on heavy vehicles aboard Ro-Ro vessels is that __________.
N a. it is easily damaged N b. it is affected by temperature Y c. the links lose strength if placed over corners N d. it has high initial cost 4224: What does item "K" refer to in this illustration of a 30-ton pedestal crane? (D045DG )
N a. Manual slewing cables Y b. Rider block taglines N c. Jib luffing cables N d. Cargo snaking cables 4238: Most pedestal crane power is provided by __________.
Y a. Electro-hydraulic units N b. Steam units N c. Independent internal combustion power units N d. All of the above 4443: You are signing on a deck officer, who will be designated as one of the GMDSS operators, before sailing foreign. Which statement is TRUE?
Y a. He/she must have an STCW certificate endorsed as "Valid for Service on Vessels Operating in the GMDSS System". N b. He/she must present either an FCC-issued license or a Coast Guard-issued license. N c. You must consult the "List of Qualifications" on the reverse of his/her FCC-issued license. N d. His/her Merchant Mariners Document must have an added endorsement as "Radio Electronics Officer".