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.
118: Damage to cargo caused by fumes or vapors from liquids, gases, or solids is known as __________.
N a. contamination N b. oxidation Y c. tainting N d. vaporization 126: The distance a vessel moves parallel to the original course from the point where the rudder is put over to any point on the turning circle is called the __________.
Y a. advance N b. drift angle N c. pivoting point N d. transfer 134: Your ship is steaming at night on gyro-pilot when you notice that the vessel's course is slowly changing to the right. Which action should you take FIRST?
N a. Call the Master. Y b. Change to hand steering. N c. Notify the engine room of the steering malfunction. N d. Send the Quartermaster to the emergency steering station. 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. 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 260: You receive a package, for shipment aboard your vessel, containing Class 1 explosives. The package is damp, moldy and stained. You must __________.
N a. have the U.S.C.G. Captain of the Port approve the shipment N b. note an exception on the Bill of Lading N c. repair or replace the packaging before stowage Y d. seek the shipper's advice with regard to withdrawal, repair, or replacement 300: On which form do you provide a written report of Marine Casualty to the nearest Coast Guard Marine Safety Office?
N a. DD 214 Y b. CG 2692 N c. DOT 211 N d. CG 5511 312: If you are bunkering and you close off one tank in the line of tanks being filled, the rate of flow to other open tanks on the same line will __________.
Y a. increase N b. decrease N c. stop N d. remain constant 375: The best line for towing small vessels is __________.
N a. three strand nylon Y b. double-braided nylon N c. polypropylene N d. manila 420: In handling break bulk hazardous materials, it is forbidden to use __________.
N a. cargo nets Y b. metal bale hooks N c. pallets N d. slings 489: Your tank vessel is fully loaded, and you find that she is down slightly by the head. To adjust the trim, you may __________.
N a. add ballast aft N b. load more cargo aft Y c. shift cargo aft N d. All of the above 537: Which type of hook can be used as a towing hook?
N a. Standard towing hooks N b. Spring-loaded towing hooks N c. Pelican hooks Y d. All of the above 545: Repairing damage to the hull at or above the waterline reduces the threat of __________.
N a. free surface effects N b. capsizing Y c. continued progressive flooding N d. wind heel 595: The turning circle of a vessel is the path followed by the __________.
N a. outermost part of the ship while making the circle Y b. center of gravity N c. bow N d. tipping center 620: You are on a container vessel. What concerning the handling and stowage of containerized hazardous materials is TRUE?
Y a. Open-bed containers may be used to transport hazardous materials if the cargo is properly secured. N b. A portable cargo tank of a flammable, cryogenic liquid may not be in transit for a period exceeding its marked rated holding time unless the liquid is inhibited. N c. A portable cargo tank containing a cryogenic liquid must be shipped on deck unless forced ventilation is provided to the decks-decks. N d. A container loaded with packages of tear gas would display a placard reading "Irritant." 642: In illustration D044DG, the mooring line labeled "B" is called a(n) __________. (DO44DG )
N a. offshore stern line Y b. inshore stern line N c. after spring line N d. after breast line 698: Which agency issues a certificate of loading that is evidence that the rules and regulations concerning bulk grain cargoes have been observed?
N a. American Bureau of Shipping N b. Department of Agriculture Y c. National Cargo Bureau N d. Public Health Service 754: Which method is used to detect rot in manila lines?
N a. Feeling the surface of the line for broken fibers N b. Measuring the reduction in circumference of the line N c. Observing for the appearance of mildew on the outer surface Y d. Opening the strands and examining the inner fibers 769: The owner or Master of a towing vessel must ensure that each person that directs and controls the movement of the vessel knows all of the following EXCEPT ___________ .
N a. the effects of maneuvering on the vessel and its tow N b. the speed and direction of any current for the area being transited N c. how to apply variation and deviation to readings from a magnetic compass Y d. the ownership of the vessel(s) being towed 869: To ensure proper seating when closing a valve on a tank, the valve should be __________.
N a. set up as tight as possible by hand N b. set up tight using a valve wrench Y c. closed, opened a half turn, and then closed N d. closed against the stop and the locking pin inserted 1006: Which action reduces the yawing of a vessel in a following sea?
N a. Increasing GM N b. Pumping out tanks aft N c. Shifting weights to the bow Y d. Shifting weights to the stern 1046: In a following sea, a wave has overtaken your vessel and thrown the stern to starboard. To continue along your original course, you should __________.
Y a. use more right rudder N b. use more left rudder N c. increase speed N d. decrease speed 1054: Which mooring line has the least elasticity?
Y a. Dacron N b. Nylon N c. Esterlene N d. Polypropylene 1058: The damage to a vessel is over $25,000. Who must notify the nearest Coast Guard Marine Safety or Marine Inspection Office as soon as possible?
N a. The owner of the vessel N b. The Master of the vessel N c. The person in charge of the vessel at the time of casualty Y d. Any one of the above 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 1099: To allow for the rise or fall in tide and for change in draft of a tankship during cargo transfer, cargo hoses must be suspended with __________.
N a. slings or saddles placed at 25-foot (8 meter) intervals Y b. enough slack in their bight N c. topping lifts and runners tied off to winches N d. All of the above 1147: You are on watch and the pilot has just anchored the vessel. The next thing that you should do after the anchor has been let go is to __________.
N a. stop the engines N b. escort the pilot to the accommodation ladder Y c. plot the vessel's position on the chart N d. make a round of the weather decks 1223: The organization that certifies the safe working load of cargo cranes on a vessel is the __________.
Y a. classification society N b. National Cargo Bureau N c. U.S. Coast Guard N d. none of the above 1254: Under identical load conditions, nylon, when compared with natural fiber line, will stretch __________.
N a. less and have less strength N b. more and have less strength Y c. more and have greater strength N d. less and have greater strength 1272: You are on a tankship carrying benzene in bulk. Which statement is TRUE?
N a. No other cargoes may be carried due to the possibility of contamination by a carcinogen. N b. The crew quarters must have positive-pressure ventilation to prevent the fumes from entering the living spaces. N c. Benzene is not a cancer-causing agent. Y d. Personnel working in regulated areas must use respirators. 1452: The helm command "Check her" means __________.
N a. test the steering control N b. read the compass heading N c. stop the swing using hard over rudder Y d. slow the swing using moderate rudder 1497: Which of the pictures in illustration DO30DG represents a round turn and two half hitches? (DO30DG )
N a. E Y b. F N c. Q N d. S 1544: The main function of the core of a wire rope is to __________.
N a. give flexibility Y b. support the strands laid around it N c. allow some circulation around the strands N d. allow lubrication inside the rope 1562: Which situation requires you to furnish a notice of marine casualty to the Coast Guard?
N a. A seaman slips on ice on deck and sprains his ankle, requiring an ace bandage. N b. You collide with a buoy and drag it off station with no apparent damage to the vessel or the buoy. N c. Storm damage to the cargo winch motors requires repairs costing $19,000. Y d. Your vessel is at anchor and grounds at low tide with no apparent damage. 1589: Why is 6X19 class wire rope more commonly used for cargo runners than the more flexible 6X37 wire rope?
Y a. It resists abrasion better. N b. It is longer. N c. It hugs the winch drum better. N d. It is less expensive. 1606: To safely anchor a vessel there must be sufficient "scope" in the anchor cable. Scope is the ratio of __________.
N a. weight of cable to weight of vessel N b. weight of cable to weight of anchor N c. length of anchor to depth of water Y d. length of cable to depth of water 1639: All wire rope used in shipboard cargo gear must be identified and described in a certificate. The certificate shall certify all of the following EXCEPT the __________.
N a. date of the test N b. load at which a test sample broke Y c. name of the vessel N d. number of strands and of wires in each strand 1699: In which casualty case is it UNNECESSARY to notify the local Coast Guard Marine Safety Office?
N a. Your vessel is backing from a dock and runs aground, but is pulled off by tugs in 30 minutes. Y b. Your vessel strikes a pier and does $1,500 damage to the pier but no damage to the vessel. N c. A nylon mooring line parts while the vessel is tied up and kills a harbor worker who was on the pier. N d. A seaman is injured and in the hospital for four days. 1810: Using the graph shown, if the dry bulb temperature is 98°, and the wet bulb temperature is 87°, what is the relative humidity in a cargo hold? (D008DG )
N a. 87% N b. 84% N c. 79% Y d. 65% 1854: The structural member indicated by the letter F is known as a(n) __________. (D033DG )
N a. erection Y b. pillar N c. girder N d. deck support 1893: A block and tackle is "rove to advantage". This means that the __________.
N a. blocks have been overhauled N b. hauling parts of two tackles are attached Y c. hauling part leads through the movable block N d. hauling part leads through the standing block 1925: Which material should NOT be used to secure cargo on deck for a voyage?
N a. Steel chain N b. Wire rope N c. Steel strapping Y d. Fiber rope 1962: The maximum draft to which a vessel can legally be submerged is indicated by the __________.
Y a. load line mark N b. Certificate of Inspection N c. Muster List ("Station Bill") N d. tonnage mark 2049: While the Pilot is maneuvering the vessel to a dock, what is the PRIMARY responsibility of the watch officer?
N a. Supervise the signaling and flag etiquette. N b. Record the bells and their times in the bell book. N c. Judge the appropriateness of the Pilot's orders and countermand them if necessary. Y d. Insure that helm and throttle orders given by the Pilot are correctly executed. 2141: You are Master of a vessel that is sold in a foreign country after discharge of cargo. What is your responsibility to the crew in regards to return to the United States?
N a. You must provide air transportation to the nearest port of entry in the United States. Y b. You must provide passage to the port of original engagement. N c. There is no requirement for return to the United States provided the voyage has exceeded 4 weeks duration. N d. The crew can be employed on another United States vessel, but only if it is returning to the port of original engagement. 2290: The sprocket teeth on a wildcat are known as the __________.
N a. pawls N b. devil's claws Y c. whelps N d. pockets 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. 2612: When using the anchor to steady the bow while approaching a dock you must be aware of the fact that __________.
N a. the vessel will tend to take a large sheer towards the side where the anchor is down N b. steering control is ineffective in trying to turn to the side opposite to that of the anchor being used N c. the anchor cable must never lead under the hull Y d. using an offshore anchor decreases the chances of the anchor holding 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 3028: The term "inland waters", as defined in the Rules of the Road, includes __________.
N a. the Great Lakes in their entirety Y b. the Mississippi River System N c. U.S. waters out to three miles offshore N d. the St. Lawrence River to Anticosti Island 3070: What is an advantage of a gate valve over a butterfly valve?
Y a. Less frequent maintenance N b. Faster operation N c. Cheaper N d. More compact 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 3218: The term "bollard pull" refers to a towing vessel's __________.
N a. propulsion horsepower available N b. pulling ability at cruise power N c. towing winch capability Y d. pulling ability under static conditions 3565: The safety stopper that prevents the anchor cable from running free if the cable jumps the wildcat is the __________.
Y a. riding pawl N b. devil's claw N c. buckler plate N d. spill pipe 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 4136: A disadvantage of using chain lashing on heavy vehicles aboard Ro-Ro vessels is that it __________.
N a. can wrap around cargo N b. is easily damaged N c. is affected by temperature Y d. does not absorb shock 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 4263: Which statement(s) is/are TRUE concerning crane cargo operations?
N a. Lifting points on all equipment must be safely checked prior to commencing a lift. N b. Cargo loaded into vehicles and/or containers prior to lifting needs to be properly secured so as to prevent shifting during transport. N c. Never exceed crane manufacturer’s limits concerning the safe working loads of cargo jibs. Y d. All the above 4390: When a helmsman receives the command "Right 15 degrees rudder," the helmsman's immediate reply should be __________.
N a. "Rudder is right 15 degrees" N b. "Aye Aye Sir" N c. No reply is necessary, just carry out the order Y d. "Right 15 degrees rudder" 4440: You are standing the wheelwatch when you hear the cry, "Man overboard, starboard side". You should instinctively __________.
N a. give full left rudder N b. throw a life ring to mark the spot N c. put the rudder amidships Y d. give full right rudder