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.
16: When underway and proceeding ahead, as the speed increases, the pivot point tends to __________.
N a. move aft Y b. move forward N c. move lower N d. remain stationary 275: You have taken another vessel in tow. You can tell that the towing speed is too fast when the __________.
N a. vessels are not in step N b. tow line feels like it is "jumping" when touched Y c. catenary comes clear of the water N d. towed vessel goes "in irons" 282: The owner, agent, Master or person-in-charge of a "T-Boat" involved in a marine casualty causing injury that requires professional medical treatment must __________.
N a. immediately notify the nearest USCG MSO, MIO, or Group Office N b. keep all voyage records and make them available to Coast Guard investigators N c. file a written report (CG2692) of the casualty within five days Y d. All of the above 290: What is NOT a form used by ice support services to disseminate information?
N a. Ice Analyses N b. Ice Forecasts N c. Ice Outlooks Y d. Ice Bulletins 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 404: A vessel's "quarter" is that section which is __________.
N a. abeam N b. dead astern N c. just aft of the bow Y d. on either side of the stern 437: Prior to getting underway in fresh or brackish water, the Master must __________.
Y a. log the density of the water N b. secure all overboard discharges N c. take on fresh water ballast N d. clean the sides with fresh water 459: Petroleum cargo tanks should not be topped off at deck level when loading on a cold day because __________.
Y a. a subsequent temperature rise will cause the cargo to overflow N b. air pockets may cause the cargo to bubble out of the ullage hole N c. the increased viscosity of the product requires higher loading pressure which increases the chances of a spill N d. the tank valve may be stiff and a spill will occur before the valve can be closed 472: On a long ocean tow, the bridle should be made up of two equal lengths of __________.
Y a. chain N b. wire N c. nylon N d. manila 596: Before entering an ice area, the ship should be __________.
N a. either trimmed by the head or the stern N b. on an even keel N c. trimmed down by the head Y d. trimmed down by the stern 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. 713: How do the height and location of a tug's towing bitts relate to the danger of tripping?
Y a. The further forward and closer to amidships the more readily the tug will trip. N b. Placement further aft permits more effective pulling, better steering and eliminates the danger of tripping. N c. Installing the bitts down low lowers the center of gravity. N d. The height and position of towing bitts has no significance. 732: Which action should be taken FIRST if your tow is sinking in shallow water?
Y a. Pay out the towline until the sunken tow reaches bottom. N b. Sever the towline. N c. Immediately head for the nearest shoreline. N d. Contact the Coast Guard. 831: The Oil Record Book on a vessel NOT engaged on a foreign voyage shall be maintained on board for not less than __________.
N a. 12 months N b. 24 months Y c. 36 months N d. 48 months 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 886: Two vessels are abreast of each other and passing port to port in a confined waterway. What should you expect as your bow approaches the screws of the other vessel?
N a. Your speed will significantly increase. N b. Your draft will significantly decrease. Y c. Your bow will sheer towards the other vessel. N d. Your bow will sheer away from the other vessel. 992: The tankship Northland is loaded as shown. Use the salmon colored pages in the Stability Data Reference Book to determine the sagging numeral. (Get Table Data)
N a. 29.49 numeral Y b. 31.97 numeral N c. 33.61 numeral N d. 35.12 numeral 1036: What is meant by the term "broaching to"?
N a. Having the vessel head toward the sea N b. Running before a sea Y c. Being turned broadside to the sea N d. Having the vessel filled with water 1087: The turning circle of a vessel is the path followed by the __________.
Y a. center of gravity N b. outermost part of the ship while making the circle N c. bow N d. tipping center 1103: What should you inspect to be sure that it is safe to go aloft in a bosun's chair?
N a. The gantline N b. The tail block N c. The chair and bridle Y d. All of the above 1134: The critical point in nylon line elongation is about __________.
N a. 20% N b. 30% Y c. 40% N d. 50% 1280: Vertical structural members attached to the floors that add strength to the floors are called __________.
N a. boss plates N b. buckler plates Y c. stiffeners N d. breast hooks 1442: You are on an ice-reinforced vessel about to enter pack ice. You should __________.
N a. enter the pack on the windward side where there is a well defined ice edge N b. trim to an even keel or slightly down by the bow to take maximum benefit of the ice reinforcement N c. take maximum advantage of coastal leads caused by offshore winds Y d. look for areas of rotten ice and enter perpendicular to the ice edge 1532: To determine the number of portable fire extinguishers required on an inspected vessel, you should check the __________.
N a. hot work permit Y b. Certificate of Inspection N c. Safety of Life at Sea Certificate N d. Muster List ("Station Bill") 1533: What is the best splice for repairing a parted synthetic fiber mooring line?
N a. Liverpool splice N b. Locking long splice N c. Long splice Y d. Short splice 1555: When carrying out a parallel track search pattern, the course of the search units should normally be which of the following?
Y a. In the same direction as the anticipated drift N b. In the opposite direction of the anticipated drift N c. Perpendicular to the line of anticipated drift N d. Downwind 1638: On a twin-screw, twin-rudder vessel, the most effective way to turn in your own water, with no way on, is to put __________.
Y a. one engine ahead and one engine astern, with full rudder N b. one engine ahead and one engine astern, with rudders amidships N c. both engines ahead, with full rudder N d. both engines astern, with full rudder 1667: When the gyro-pilot is used for steering, what control is adjusted to compensate for varying sea conditions?
N a. Rudder control N b. Sea control N c. Lost motion adjustment Y d. Weather adjustment 1690: Molded depth is measured from the __________.
Y a. inside of the shell N b. outside of the shell N c. top of the center vertical keel N d. top of the garboard stake 1697: Using the graph shown, if the dry bulb temperature is 85°, and the wet bulb temperature is 73°, what is the relative humidity in a cargo hold? (D008DG )
N a. 42% Y b. 55% N c. 67% N d. 85% 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 1758: As operator of a 199 GT towing vessel sailing foreign, it shall be your duty to enter in the Official Logbook or other permanent record __________.
N a. all information contained on the barge's Certificate of Inspection N b. the condition of all towing gear to be used N c. all navigational aids to be used Y d. the barges load line and draft readings 1832: The run of plating labeled A is known as the __________. (D033DG )
N a. sheer strake Y b. stringer plate N c. deck strake N d. deck longitudinal 1979: What is a proper size block to use with a 3-inch circumference Manila line?
N a. At least a 12-inch sheave Y b. 9-inch cheek, 6-inch sheave N c. 8-inch cheek, any size sheave N d. 6-inch cheek, 4-inch sheave 2016: The revolving drum of a winch used to haul lines is called a __________.
N a. bull gear Y b. gypsyhead N c. spanner N d. wildcat 2039: There is a large shipment of case goods available to be loaded on your vessel. You are to load as many tons as possible in a hold which has 32,300 cubic feet left unfilled by cargo. Each case measures 2-feet high by 2-feet wide by 4-feet long and weighs 500 pounds. If you allow a broken stowage allowance of 10% of the 32,300 feet, what is the nearest whole number of tons which may be loaded?
N a. 324 tons N b. 360 tons N c. 363 tons Y d. 406 tons 2081: A seaman is reported missing in the morning and was last seen after coming off the mid-watch. Which type of turn would you use to return to the track-line steamed during the night?
Y a. Williamson N b. Racetrack N c. 180° turn N d. Anderson 2109: What is NOT an item that requires the vessel to be dry-docked?
N a. Inspection of tail shaft liner N b. Repacking and grinding of skin valves Y c. Verification of load line measurements N d. Belt gauging 2128: Several merchant ships are arriving at the scene of a distress incident. One of the them must assume the duties of the Coordinator Surface Search (CSS). Which of the following statements is TRUE?
N a. CSS duties are always assumed by passenger vessels, dry cargo vessels, or tankers in that order of precedence. Y b. The CSS must be established by mutual agreement between the ships concerned. N c. A tank vessel should never be assigned CSS duties unless only tank vessels are present. N d. The first vessel to arrive at the distress incident is designated as the CSS. 2131: If you carry packaged hazardous cargoes on a break bulk vessel bound foreign, you must __________.
N a. stow the hazardous cargoes on deck available for jettisoning if necessary N b. remove the hazardous cargo labels from a portable tank after the tank is emptied Y c. have the shipping papers indicate the proper shipping name and the technical name of n.o.s. cargoes N d. log the receipt of hazardous cargoes in the Official Logbook 2148: You are the Master of an uninspected diesel towing vessel of 190 GT operating on a regular run from New York to the Gulf of Mexico. Which statement is TRUE?
Y a. All crew members must have Merchant Mariner's Documents. N b. A licensed Chief Engineer is required. N c. Deck watches may be 6 and 6. N d. Able Seamen are not required in the deck crew. 2162: A crew has signed on for a 3-month voyage. Fourteen days into the voyage a seaman is improperly discharged at the first port of call. How much pay is he entitled to receive?
N a. 14 days N b. 1 month's Y c. 14 days and one month's extra N d. double wages (28 days) 2188: The forecastle card is a(n) __________.
N a. quarters allocation N b. Muster List ("Station Bill") N c. unlicensed shipping card from the union Y d. copy of the shipping agreement 2195: 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 as listed. Based on this data what is the transfer for a turn of 180°? (D035DG )
N a. 745 yards N b. 770 yards Y c. 840 yards N d. 890 yards 2530: Your vessel has gone aground in waters where the tide is falling. The BEST action you can take is to __________.
Y a. set out a kedge anchor N b. shift the vessel's load aft and repeatedly surge the engine(s) astern N c. shift the vessel's load forward and wait until the next high tide N d. slowly bring the engine(s) to full speed astern 2594: Which is NOT an advantage of the flush method of welded shell plating?
N a. Reduces weight N b. Reduces frictional resistance N c. Keeps practically 100% of tensile strength at the joints Y d. Reduces plate stress 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 2950: In relation to the turning circle of a ship, the term "advance" means the distance __________.
N a. gained at right angles to the original course Y b. gained in the direction of the original course N c. moved sidewise from the original course when the rudder is first put over N d. around the circumference of the turning circle 2964: "Seiche" is defined as a(n) __________.
N a. unusually strong storm system which approaches the Great Lakes System generally from the Northeast N b. lake current which is predominant during the spring and fall navigation season on the Great Lakes Y c. oscillation caused by the diminishing of forces which cause lake level fluctuations N d. higher than normal high water or lower than normal low water 3220: If you are guilty of failure to properly perform your duties as Master of Uninspected Towing Vessels, which of the following actions may NOT be taken?
N a. Issuance of a letter of warning N b. Suspension of your license N c. Revocation of your license Y d. A fine placed against your license 3294: Your vessel is to dock bow in at a pier without the assistance of tugboats. Which line will be the most useful when maneuvering the vessel alongside the pier?
N a. Bow breast line N b. Stern breast line Y c. Bow spring line N d. Inshore head line 3436: The signal man assisting the crane operator has one hand occupied and one fist in front of his chest with the thumb pointing outward and is tapping his chest with the heel of his fist. This is the signal to __________.
N a. extend the boom N b. lower the boom Y c. retract the boom N d. hoist the boom 3518: A tug's horsepower available at the shaft is __________.
N a. indicated horsepower Y b. brake horsepower N c. dynamic horsepower N d. net horsepower 3521: Once a towline is connected between the towing vessel and the disabled vessel, the towing vessel should __________.
N a. not exceed bare steerageway during the transit N b. take a strain as soon as you can to control the tow Y c. come up to speed very slowly and maintain a "safe speed" N d. come up to speed quickly, then cut back power considerably to ease the strain 3710: A new crewman reports on board. He must be trained in the use of the ship's lifesaving appliances within what time period?
N a. 2 months N b. 1 month Y c. 2 weeks N d. Before sailing 4012: The purpose of item G is to __________. (D024DG )
N a. distribute the vessel's thrust over a wider area N b. prevent the towboat from capsizing if item I should part Y c. prevent the knee from shifting when the rudder is put hard over N d. keep the barges from shifting fore and aft 4068: What produces the MOST dangerous vapors?
Y a. Anhydrous ammonia N b. Camphor oil N c. Methyl alcohol N d. Pentane 4231: The 30 ton capacity pedestal cranes shown in the illustration can lift a maximum weight of how many tons in the single mode? (D047DG )
N a. 15 tons Y b. 30 tons N c. 60 tons N d. 120 tons 4253: 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. An independent slew drive system rotates the turntable. Y d. All of the above 4279: Which statement is TRUE concerning a tagline as used with a 30-ton pedestal crane?
N a. Taglines are wire rope purchases that raise and lower the jib. Y b. Taglines are wire ropes payed-out or taken-in for horizontal positioning of the rider block. N c. Taglines can be can be fastened to the corners of the jib when lifting containers. N d. The taglines are wire rope purchease that raise and lower the topping lift.