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.
63: Which space(s) is(are) deducted from gross tonnage to derive net tonnage?
N a. Boatswain's stores N b. Chart room N c. Spaces for the exclusive use of the officers or crew Y d. All of the above 175: While the Pilot is maneuvering the vessel to a dock, what is the primary responsibility of the watch officer?
N a. Judge the appropriateness of the Pilot's orders and countermand them if necessary Y b. Insure that helm and throttle orders given by the Pilot are correctly executed N c. Record the bells and their times in the bell book N d. Supervise the signaling and flag etiquette 213: You are the Master of a single-screw vessel. You are docking at a port which has no tugs available. You decide to drop the offshore anchor to help in docking. The amount of chain you should pay out is __________.
N a. 5 to 7 times the depth of the water Y b. 1 1/2 to 2 times the depth of the water N c. equal to the depth of the water N d. you should NEVER use the anchor to help in docking 243: A towing vessel becomes tripped while towing on a hawser astern. What factor is MOST important when assessing the risk of capsizing?
N a. Length of the towline Y b. Height of the towline connection N c. Longitudinal position of the towline connection N d. Direction of opposing force 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. 351: Which certificate is issued by the American Bureau of Shipping?
N a. Certificate of Inspection Y b. Load Line Certificate N c. Safety Equipment Certificate N d. Permit to Proceed for repairs 360: The label required on containers carrying barium oxide in an international shipment must read __________.
Y a. "Poison" N b. "Spontaneously Combustible" N c. "Radioactive" N d. "Infectious Substance" 414: To "ease" a line means to __________.
N a. cast off N b. double up so that one line does not take all the strain Y c. pay out line to remove most of the tension N d. slack it off quickly 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 492: 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 injury to personnel N b. Coast Guard, only if the grounding results in damage to property in excess of $(SA)25,000 Y c. nearest Coast Guard Marine Safety or Marine Inspection Office as soon as possible N d. Coast Guard, only if the grounding results in loss of life 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 640: Which factor(s) can affect the performance of a river towboat?
N a. The draft of the towboat and the draft of the barges under tow N b. The placement of the barges within the tow N c. The presence of flanking rudders and Kort nozzles Y d. All of the above 654: A rope made of a combination of wire and fiber is known as __________.
N a. independent N b. lang lay N c. preformed Y d. spring lay 680: You must medevac a critically injured seaman by helicopter hoist. Which statement is TRUE?
N a. The ship's relative wind should be from dead ahead at 10 to 30 knots. Y b. The deck crew at the hoist point should not wear baseball hats. N c. The helicopter's drop line should be secured to the ship not more than 15 feet from the hoist position. N d. When using a "horse collar", the bight of the loop should be around the chest of the injured seaman. 692: The tow makeup that is designed to keep the catenary of the tow hawser to a minimum is called the __________.
Y a. Christmas tree tow N b. tandem tow N c. British tow N d. tandem tug tow 719: Most crude oils are classified as grade __________.
N a. A or B N b. B Y c. C or D N d. E 744: When using natural-fiber rope, you should NEVER __________.
N a. dry the line before stowing it N b. reverse turns on winches periodically to keep out kinks Y c. try to lubricate the line N d. use chafing gear 875: Which statement, concerning offshore supply vessel operations, correctly defines the length of a voyage?
N a. The distance from the point of departure to the vessel's first stop N b. The distance from the point of departure to the most distant point offshore Y c. The total distance from the port of departure to the port of arrival, not including stops at offshore points N d. The shortest measurable distance from the port of departure to the port of arrival 889: The owner or Master of a towing vessel must evaluate whether the entire towline, or a part of it, is no longer serviceable. The towline should be removed from service in all cases EXCEPT ___________ .
N a. when recommended by the manufacturer or an authorized classification society N b. in accordance with a replacement schedule Y c. when the vessel is underway N d. depending on the mileage or time that the towline has been in service 952: You have orders to load cargoes of carbon disulfide, diisopropylamine and pyridine on your multi-product tankship. Which statement is TRUE?
N a. Carbon disulfide may be carried in NOS. 1 and 2 center tanks and diisopropylamine in NOS. 1 and 2 wing tanks. N b. Pyridine and diisopropylamine may be carried in tanks having a common header vent. Y c. Pyridine need not be separated from carbon disulfide by two barriers (cofferdams, voids, empty tanks, etc.). N d. A tank of carbon disulfide may be used to separate a tank of pyridine from a tank of diisopropylamine. 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 996: With a following sea, a vessel will tend to __________.
N a. heave to N b. pound N c. reduce speed Y d. yaw 1097: 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. I N b. P Y c. R N d. X 1102: In illustration D044DG, the mooring line labeled "B" is called a(n) __________. (DO44DG )
N a. after breast line N b. after spring line Y c. inshore stern line N d. offshore stern line 1177: A "Mediterranean moor" should be used when __________.
N a. when anchoring in the Mediterranean Y b. when docking stern to a berth N c. when docking bow to a berth N d. when anchoring in a strong current 1238: A contract of affreightment is a __________.
Y a. Bill of Lading N b. Bottomry Bond N c. manifest N d. Portage Bill 1267: You are on watch while your vessel is entering port with a pilot conning. The pilot gave a steering command to the helmsman who failed to acknowledge it by repeating the order. You have now enunciated the pilot's order to the helmsman and there is still no response. If the helmsman continues on the original course, you should immediately __________.
Y a. take the helm and expedite the maneuver that the pilot ordered N b. ask the Pilot to repeat the command since the helmsman failed to hear it N c. tell the helmsman to ask the Pilot to repeat any command that he fails to hear or understand N d. repeat the Pilot's command a second time and notify the Master 1756: When anchoring a vessel, it is best to release the anchor when __________.
N a. going full astern N b. going full ahead Y c. going slow astern N d. dead in the water 1763: You are in charge while handling a synthetic hawser on a capstan. The hawser has a heavy strain and you wish to avoid the hawser's slipping on the capstan drum. Which action should you take?
Y a. Back off on the capstan a bit and have the seaman take several more turns on the drum. N b. Have the seaman take a strain on the hawser and carefully have several turns added on the drum. N c. Have more than one seaman hold a good strain on the hawser and continue to heave easy. N d. While continuing to heave slowly on the capstan, have the seaman take several more turns on the drum. 1763: You are in charge while handling a synthetic hawser on a capstan. The hawser has a heavy strain and you wish to avoid the hawser's slipping on the capstan drum. Which action should you take?
Y a. Back off on the capstan a bit and have the seaman take several more turns on the drum. N b. Have the seaman take a strain on the hawser and carefully have several turns added on the drum. N c. Have more than one seaman hold a good strain on the hawser and continue to heave easy. N d. While continuing to heave slowly on the capstan, have the seaman take several more turns on the drum. 1764: The "square knot" is used for __________.
N a. forming temporary eyes in lines Y b. joining two lines of equal size N c. keeping line from unlaying or fraying N d. joining two lines of different size 1790: Which space(s) is(are) exempt when measuring gross tonnage?
N a. Auxiliary machinery spaces above the uppermost continuous deck N b. Steering gear room N c. Part of the wheelhouse used to control vessel Y d. All of the above 1792: What is the name of the mark indicated by the letter F? (D003DG )
N a. Fresh water load line N b. Summer load line Y c. Winter load line N d. Tropical load line 1864: Progressive flooding may be indicated by __________.
N a. ballast control alarms N b. excessive draft N c. excessive list or trim Y d. a continual worsening of list or trim 1989: If you were to pass a stopper on a wire rope, what should the stopper be made of?
N a. Wire N b. Manila N c. Nylon Y d. Chain 1996: Which method should be used to secure a manila line to bitts?
N a. A round turn on the bitt farthest from the strain and then figure eights Y b. A round turn on the bitt closest to 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 2157: You are in a fresh water port loading logs with gear rated at 5 tons, and suspect the weight of the logs exceeds the SWL of the gear. The logs are floating in the water alongside the vessel and have 95% of their volume submerged. The average length of the logs is 15 feet and the average diameter is 4.4 feet. What is the nearest average weight of the logs, based on these average measurements?
N a. 5.5 tons Y b. 6.0 tons N c. 7.7 tons N d. 24.1 tons 2204: While writing in the logbook at the end of your watch, you make an error in writing an entry. What is the proper way of correcting this error?
N a. Blot out the error completely and rewrite the entry correctly. N b. Carefully and neatly erase the entry and rewrite it correctly. Y c. Cross out the error with a single line, write the correct entry, and initial it. N d. Remove this page of the log book and rewrite all entries on a clean page. 2212: You have determined the maneuvering characteristics of your vessel by taking the radar ranges and bearings of an isolated light while making a turn. The results are listed in illustration D035DG. Based on this data what is the advance for a turn of 30°? (D035DG )
N a. 380 yards N b. 420 yards Y c. 470 yards N d. 525 yards 2247: The knot lettered M in illustration DO30DG is a __________. (DO30DG )
N a. stopper N b. lashing N c. becket bend Y d. carrick bend 2259: You have determined the maneuvering characteristics of your vessel by taking radar ranges and bearings of an isolated light while making a turn. The results are as shown. Based on this data what is the advance for a turn of 90°? (D035DG )
N a. 490 yards N b. 350 yards Y c. 800 yards N d. 885 yards 2300: In the stowage of deck cargo, "cribbing" is __________.
Y a. placed on deck to support the cargo N b. separation pieces used to keep cylinders upright and steady N c. shims for stowing baled cargo N d. nets placed across the hatch opening to keep the cargo from falling in the hatch 2389: What is the area of a circle with a diameter of 17 feet after a sector of 111° has been removed?
N a. 36.94 square ft. Y b. 156.99 square ft. N c. 226.98 square ft. N d. 627.47 square ft. 2484: The type of joint formed when an edge of one plate is laid over the edge of the plate to which it is riveted is a __________.
N a. grip joint N b. strap joint N c. thread joint Y d. lap joint 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 2783: The effect of ocean current is usually more evident on a tug and tow than on a tug navigating independently because the __________.
Y a. speed of the tug and tow is less N b. towline catches the current N c. current causes yawing N d. current will offset the tow 2914: Your vessel has been ordered to proceed to the United Grain Growers Wharf at Thunder Bay, Lake Superior, for the purpose of taking on a load of wheat. Which publication(s) would you consult for such information as the length of the wharf, the depth of the water alongside, and the loading capacity at the facility?
N a. The Navigational Chart and Light List Vol. VII N b. The International Guide to Canadian Ports and Facilities N c. The Lake Carriers Association Facilities Directory Y d. The United States Coast Pilot #6 2933: Your vessel is to dock bow first at a pier. Which line will be the most useful when maneuvering the vessel alongside the pier?
N a. Stern breast line Y b. Bow spring line N c. Bow breast line N d. Inshore head line 2942: How should you signal the crane operator to move slowly?
Y a. Use one hand to give any motion signal, and place the other hand motionless in front of the hand giving the motion signal. N b. Extend arm with the thumb pointing up, and flex the fingers in and out for as long as the load movement is desired. N c. First tap your elbow with one hand and then proceed to use regular signals. N d. First tap the top of your head with your fist and then proceed to use regular signals. 3014: You are lifting a 3 ton weight with a single whip rove on a swinging boom set at an angle of 60° to the horizontal. Use the formula for the size of a shackle with a safe working load and determine the minimum size shackle that should be used to secure the head block to the boom.
N a. 1 1/8 inch Y b. 1 1/2 inch N c. 1 3/4 inch N d. 2 inch 3091: Towlines should be inspected for chafing where the towline __________.
N a. passes over the stern of the towing vessel N b. passes through chocks N c. is attached to the disabled vessel Y d. All of the above 3148: The part of the anchor indicated by the letter H is the __________. (D038DG )
N a. fluke N b. shank N c. tripping palm Y d. crown 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 3560: What should look-outs report?
N a. Discolored water N b. Shoals N c. Floating objects Y d. All of the above 3690: The part of the anchor indicated by the letter I is the __________. (D038DG )
N a. tripping palm Y b. fluke N c. bill N d. stock 3790: The locking pin that joins the parts of a detachable link is held in position by __________.
N a. a tack weld N b. the self-locking characteristics of its taper N c. a cotter pin Y d. a lead plug 3938: With a given load on the cargo hook, tension in a single span topping lift __________.
N a. increases as the boom's angle to the horizontal increases N b. is at a maximum when the boom is at a 45° angle to the horizontal Y c. increases as the boom's angle to the horizontal decreases N d. decreases as the boom's angle to the horizontal decreases 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 4140: The disadvantage(s) of using web lashing on light vehicles aboard Ro-Ro vessels is that it __________.
N a. deteriorates in sunlight N b. cuts on sharp edges N c. is vulnerable to damage and pilferage Y d. All of the above 4254: Which of the following statement(s) is/are TRUE regarding twin pedestal cranes?
N a. Each single boom is of the partial-level luffing type and is capable of limited rotation. N b. A slew drive system provides for rotation of each crane. N c. Maintenance logs and records are to be kept for each crane. Y d. All of the above