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.
20: You are carrying triethylamine, methyl methacrylate and isoprene in your multiple-product tankship. Which of the following statements is true?
Y a. Isoprene may be carried in a cargo tank adjacent to either of the other two cargoes. N b. Methyl methacrylate may not be carried in a tank adjacent to a pump room. N c. Methyl methacrylate must usually be heated to maintain its stability. N d. Portable thermometers are not permitted to be used to take the cargo temperature of triethylamine. 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. 178: Which can be prevented only by segregating two lots of cargo into separate holds?
N a. Contamination of dry cargo by a wet cargo N b. Contamination of a clean cargo by a dirty cargo Y c. Contamination of a food cargo by an odorous cargo N d. Overcarriage, overstowage, and short landing 327: You are on a multiple product tankship and carrying methyl acrylate, diethanolamine, and triethylamine. Which statement is TRUE?
N a. Methyl acrylate may be loaded in a tank adjacent to diethanolamine but not triethylamine. Y b. The heating coils to the cargo tank loaded with methyl acrylate must be blanked off. N c. Valve components made of aluminum, copper, or zinc may not be in contact with the cargoes. N d. Each crew member working on deck must have an emergency escape breathing apparatus. 336: When a vessel with a single right-hand propeller backs to port the __________.
Y a. bow falls off to starboard N b. vessel moves to port without changing heading N c. bow swings to port N d. vessel moves to starboard without changing heading 386: You are maneuvering a vessel with a right-hand propeller. The rudder is amidships. The vessel will generally back __________.
Y a. to port N b. to starboard N c. in a straight line directly astern N d. downstream, the stern going in the direction of the current 449: When loading bulk liquid cargo, what is the first action you should take if a cargo valve jammed open?
N a. Call the owner, operator, or terminal supervisor. N b. Unplug the deck scuppers. Y c. Order the dock man to shut down. N d. Run out the vessel's or terminal's fire hose. 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 552: Which type of bridle is the most effective for a heavy ocean tow?
N a. Nylon because of its strength N b. Polypropylene because it floats and is easier to handle Y c. Stud link anchor chain for chafe resistance and strength N d. Wire rope for flexibility and strength 558: A heated bulkhead has the effect on a hygroscopic commodity of __________.
N a. causing moisture to accumulate against the bulkhead N b. lowering the vapor pressure of the commodity N c. lowering the dew point of the air Y d. raising the vapor pressure of the commodity 645: A vessel's Certificate of Documentation __________.
N a. may be retained by the owner at the home port OR kept on the vessel N b. must be posted under transparent material in the pilothouse Y c. must be carried on board N d. must be kept on file at the corporate offices of the owner or operator 799: Temporary Certificates of Inspection are effective until the __________.
N a. Solas Certificate is issued N b. Load Line Certificate is renewed N c. classification society approval is issued Y d. permanent Certificate of Inspection is issued 841: All entries in the Official Logbook must be signed by the Master and __________.
N a. the Union Representative N b. the person about whom the entry concerns N c. no one else Y d. one other crew member 896: A V-shaped ripple with the point of the V pointing upstream in a river may indicate a __________.
N a. submerged rock, not dangerous to navigation N b. sunken wreck, not dangerous to navigation Y c. towed-under buoy N d. All of the above 954: In order to correctly open a new coil of manila line, you should __________.
N a. pull the tagged end from the top of the coil Y b. pull the tagged end through the eye of the coil N c. secure the outside end and unroll the coil N d. unreel the coil from a spool 989: You are loading 465,000 barrels of cargo oil. At 0900 you find that you have loaded 207,000 barrels. At 1030 you find that you have loaded 223,000 barrels. If you continue loading at the same rate, you will finish at approximately __________.
N a. 2100 that night N b. 0730 the next day Y c. 0910 the next day N d. 1215 the next day 1026: When making way in heavy seas you notice that your vessel's screw is being lifted clear of the water and racing. One way to correct this would be to __________.
N a. increase speed Y b. decrease speed N c. move more weight forward N d. shift the rudder back and forth several times 1094: Which statement is TRUE with respect to the elasticity of nylon mooring lines?
N a. Nylon can stretch over forty percent without being in danger of parting. N b. Nylon can be elongated by one-hundred percent before it will part. N c. Nylon will part if it is stretched any more than twenty percent. Y d. Under load, nylon will stretch and thin out but will return to normal size when free of tension. 1110: One function of a bulwark is to __________.
Y a. help keep the deck dry N b. prevent stress concentrations on the stringer plate N c. protect against twisting forces exerted on the frame of the vessel N d. reinforce the side stringers 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 1175: You have arrived at your anchorage location. You have put the engines astern prior to letting go the anchor. How will you know when the vessel has stopped making way?
N a. The ship's Doppler log reads zero Y b. The backwash of the propeller reaches amidships N c. An azimuth bearing on the beam remains steady N d. All of the above 1193: The main advantage of a Chinese stopper over the one line stopper is that it __________.
Y a. will not jam on the mooring line N b. is stronger N c. is easier to use when under heavy tension N d. is safer to use when under heavy tension 1238: A contract of affreightment is a __________.
Y a. Bill of Lading N b. Bottomry Bond N c. manifest N d. Portage Bill 1325: You are signing on crew members. The minimum number of people required aboard, and the qualifications of each, is listed on the __________.
N a. Crew list Y b. Certificate of Inspection N c. Articles of Agreement N d. fo'c'sle card 1392: In illustration D044DG, the mooring line labeled "H" is called a(n) __________. (DO44DG )
N a. forward breast line N b. offshore spring line Y c. offshore bow line N d. onshore bow line 1503: Which knot should be used to send a man over the side when he may have to use both hands?
N a. Bowline Y b. French bowline N c. Bowline on a bight N d. Running bowline 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 1514: A 6x12, two-inch wire rope has __________.
N a. 12 strands and a two-inch diameter N b. 12 strands and a two-inch circumference Y c. 6 strands and a two-inch diameter N d. 6 strands and a two-inch circumference 1556: When anchoring, good practice requires 5 to 7 fathoms of chain for each fathom of depth. In deep water you should use __________.
N a. the same ratio N b. more chain for each fathom of depth Y c. less chain for each fathom of depth N d. two anchors with the same ratio of chain 1594: What is the breaking strain of steel wire rope with a 5/8" diameter?
N a. 1.0 tons N b. 6.6 tons Y c. 9.6 tons N d. 15.6 tons 1623: A short splice in a line __________.
N a. decreases the size of the line N b. should be used if the line is going through a block N c. should only be used in wire rope Y d. doubles the size of the line 1647: Under Naval Control of Shipping who is responsible for routing and diverting ships and convoys?
N a. The Maritime Defense Zone Sector Y b. The Operational Control Authority N c. The National Shipping Authority N d. Any Navy Command 1648: When steaming through an anchorage, a shipmaster should __________.
N a. avoid crossing close astern of the anchored ships Y b. avoid crossing close ahead of the anchored ships N c. keep the ship moving at a good speed to reduce set N d. transit only on a flood tide 1716: Which is the correct procedure for anchoring a small to medium size vessel in deep water?
N a. Let the anchor fall free from the hawsepipe, but apply the brake at intervals to check the rate of fall. N b. Back the anchor slowly out of the hawsepipe a few feet, and then let it fall in the normal fashion. N c. Let the anchor fall off the brake right from the hawsepipe, but keep a slight strain on the brake. Y d. Under power, back the anchor out until it is near, but clear, of the bottom before letting it fall. 1751: The load line certificate is issued by __________.
Y a. the American Bureau of Shipping N b. the National Cargo Bureau N c. the United States Coast Guard N d. United States Customs 1776: When anchoring in calm water, it is best to __________.
N a. maintain slight headway when letting go the anchor N b. wait until the vessel is dead in the water before letting go the anchor Y c. have slight sternway on the vessel while letting go the anchor N d. let the anchor go from the stern with the anchor cable leading from the bow 1873: How much weight can you lift by applying 100 lbs. of force to a twofold purchase rigged to disadvantage (do not consider friction)?
N a. 200 lbs. N b. 300 lbs. Y c. 400 lbs. N d. 500 lbs. 2027: Your vessel is issued a load line certificate dated 27 May 1992. What is NOT an acceptable date for one of the surveys for endorsements?
N a. 28-Feb-93 Y b. 27-Nov-93 N c. 26-Aug-94 N d. 27-May-95 2050: In illustration D044DG, the mooring line labeled "H" is called a(n) __________. (DO44DG )
N a. forward breast line N b. offshore spring line N c. onshore bow line Y d. offshore bow line 2098: Snow has obliterated surface features and the sky is covered with uniform, altostratus clouds. There are no shadows and the horizon has disappeared. What is this condition called?
N a. Ice blink Y b. Whiteout N c. Water sky N d. Aurora reflection 2209: Certain cargoes must be segregated because of their __________.
Y a. inherent characteristics N b. weight N c. destination N d. danger to humans 2220: The load chart of a crane enables the operator to combine the load radius with boom length to determine the __________.
N a. maximum counter weight required N b. minimum horsepower required N c. hoist rope strength Y d. allowable load 2232: The MAIN use of the knot lettered M is to __________. (DO30DG )
Y a. marry two hawsers N b. form a temporary eye in the end of a line N c. secure a heaving line to a hawser N d. provide a seat for a man to work over the side 2345: A splice that can be used in running rigging, where the line will pass through blocks, is a __________.
N a. short splice Y b. long splice N c. back splice N d. spindle splice 2636: When riveted joints occur at the ends of plating they are called __________.
N a. trailers N b. terminals N c. seams Y d. butts 2709: A vessel which is being assisted by an icebreaker should indicate that she is ready to cast off the towline by __________.
Y a. displaying code letter "Y" (Yankee) N b. sounding five short blasts on his whistle N c. displaying code numeral "5" N d. sounding one prolonged blast on his whistle 2848: Nautical charts published by the Canadian Hydrographic service which are referenced in the United States Coast Pilot are identified by __________.
N a. the abbreviation "can" preceding the chart number N b. the letter "C" in parentheses following the chart number Y c. an asterisk preceding the chart number N d. a footnote number 2854: The term "Great Lakes", as defined by the Inland Rules of the Road, does NOT include __________.
N a. portions of the Chicago River N b. portions of the Calumet River Y c. the St. Lawrence River to Trois Rivieres N d. Saginaw Bay 2994: Nearly half of all storms that enter the Great Lakes Basin during the period from October through May come from __________.
N a. highs which originate in the east and east central USA N b. lows which originate in north central and western Canada N c. highs which originate in north eastern and eastern Canada Y d. lows which originate in the central and western USA 3103: A case received for shipment has the markings shown. Each carton measures 13" X 15" X 23". What is the total cubic capacity the entire consignment will occupy? (Ignore broken stowage.) (D043DG )
Y a. 779 cubic feet (22 cubic meters) N b. 992 cubic feet (28 cubic meters) N c. 1,047 cubic feet (30 cubic meters) N d. 112,125 cubic feet (3173 cubic meters) 3309: Catenary as applied to tow lines denotes the __________.
Y a. dip of the line N b. stretch of the line N c. strain on the line N d. length of the line 3326: The signal man assisting the crane operator uses one hand to give any motion signal and places the other hand motionless in front of the hand giving the motion signal. This is the signal to __________.
Y a. move slowly N b. increase speed N c. proceed with caution N d. stop 3340: It is NOT advisable to use nylon for alongside towing because it __________.
Y a. stretches too much N b. is too difficult to make fast N c. parts too readily N d. is too susceptible to mildew 3516: The signal man has both arms extended out, palms down, and is moving his arms back and forth. This is the signal for __________.
N a. keep lifting N b. swing right N c. swing left Y d. emergency stop 3562: The signal man assisting a crane operator has his arm extended with his fingers closed and thumb pointing upward. This is the signal to __________.
Y a. raise the boom N b. raise the hook N c. raise the boom and hook N d. check the boom stop 3719: Besides saving distance along the track line, another advantage of the Scharnow Turn over the Williamson Turn in a man overboard situation is because __________.
Y a. it is faster N b. it can be used in both the immediate action and the delayed action situations N c. in fog, if the turn is started as soon as the man goes over, the vessel will be at the point where he went over when the turn is completed N d. it returns the vessel to the original track line on a reciprocal course 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 4096: Yawing is angular motion of the vessel about what axis?
N a. Longitudinal N b. Transverse Y c. Vertical N d. Centerline 4138: The disadvantage(s) of using chain lashing on heavy vehicles aboard Ro-Ro vessels is that __________.
N a. it is heavy N b. the links lose strength if placed over corners N c. it does not absorb shock Y d. All of the above 4182: Which lashing gear used aboard Ro-Ro vessels should be painted or soaked in oil when not in use?
Y a. Chain N b. Wire rope N c. Webbing N d. All of the above