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.
4: Considering manning requirements for US flag vessels, your 2 watch cargo vessel has a deck crew of 20 people, exclusive of officers. How many of these people do the manning regulations require to be able seamen?
N a. 13 Y b. 10 N c. 7 N d. 5 60: You are on a vessel designed to carry compressed gasses in bulk with a cargo of butadiene. Which statement is TRUE?
N a. The ullage must be padded with compressed air at a minimum pressure of 2 psig. Y b. Silver and copper are prohibited in the parts of valves and fittings in contact with the cargo. N c. The cargo tank may be sampled only when the tank is being filled. N d. The shipping document must specify the exact quantity of butadiene being carried. 90: You are on a multiple-product chemical tanker. The loading plan includes cargoes of diethylenetriamine and formamide. Which statement concerning the stowage of these cargoes is TRUE?
N a. They must be separated by a void space or empty tank. N b. The cargoes must have individual venting systems. N c. The valves in common piping systems must be chained closed and locked. Y d. The minimum segregation required is a single bulkhead. 93: A lookout can leave his station __________.
Y a. only when properly relieved N b. at the end of the watch N c. 15 minutes before the end of the watch N d. at any time 109: What is meant by "thieving" a petroleum cargo?
N a. Adjusting the cargo figures to coincide with the draft Y b. Determining the amount of water (if any) in each cargo tank N c. Reducing the gross cargo calculations to net amounts N d. Siphoning off a few barrels of petroleum for shipboard use 115: During the course of a voyage, a seaman falls on the main deck and injures his ankle. The Master should submit a Report of Marine Accident, Injury or Death if the __________.
N a. injury is the result of misconduct N b. injury results in loss of life only N c. injured need first aid Y d. injured is incapacitated 116: In relation to the turning circle of a ship, the term "transfer" means the distance __________.
N a. gained in the direction of the original course Y b. gained at right angles to the original course N c. the ship moves sidewise from the original course away from the direction of the turn after the rudder is first put over N d. around the circumference of the turning circle 129: Which knot is suitable for hoisting an unconscious person?
N a. Bowline on a bight N b. Fisherman's loop Y c. French bowline N d. Spider hitch 184: You are standing look-out duty at night. A dim light on the horizon will be seen quickest by looking __________.
N a. at an area just a little below the horizon N b. at the horizon, where the sky and water appear to meet Y c. a little above the horizon N d. well below the horizon 204: What does the helm command "shift the rudder" mean?
Y a. Put the rudder over to the opposite side, the same number of degrees it is now. N b. Put the rudder amidships and hold the heading steady as she goes. N c. Shift the rudder control to the alternate steering method. N d. Stop the swing of the ship. 354: A "stopper" is __________.
Y a. a short length of line used for temporarily holding another line N b. a snatch block for handling a topping lift N c. an engine order telegraph N d. the brake on a cargo winch 376: You are aboard a right-handed single-screw vessel with headway on. The engine is put full astern and the rudder hard left. What will the bow do?
N a. It will swing to the left, and will swing left faster as the vessel loses way. Y b. It will swing to the left, straighten out and then swing to the right as the vessel loses way. N c. It will swing to the left without increasing or decreasing its swing. N d. The bow will swing to the right. 385: In controlling pollution, which action should be taken after all dirty ballast has been transferred to the slop tank and prior to discharge through the oily water separator?
N a. The clean tanks should be ballasted. Y b. The slops should be allowed time to settle. N c. Chemicals should be added to emulsify the oil. N d. The dirty ballast tank is crude oil washed. 431: Official proof of an American vessel's nationality is contained in the __________.
N a. Certificate of Inspection N b. Official Log Y c. Certificate of Documentation N d. Shipping Articles 491: A change of a documented vessel's name can only be made by the __________.
N a. American Bureau of Shipping N b. Commissioner of Customs N c. Treasury Department Y d. Coast Guard 497: Which type of fiber towing hawser is preferred for towing astern?
N a. Manila N b. Polypropylene Y c. Nylon N d. Dacron 498: When the dew point of the outside air is higher than the dew point of the air in the cargo hold, you should __________.
N a. energize the exhaust blowers N b. energize the intake blowers Y c. not ventilate the cargo holds N d. ventilate the cargo holds 514: The part of an anchor which takes hold on the bottom is the __________.
N a. arm N b. base Y c. fluke N d. stock 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 568: Which statement concerning the carriage of containers is TRUE?
N a. The Chief Mate and Master of a container ship should have the proposed stowage plan ready for the stevedore upon arrival in port. N b. When stowed on deck of a break bulk ship, the bottom of the container must be evenly supported throughout. Y c. With tiered containers, a 40-foot container may be stowed on top of two 20-foot containers. N d. Deck load calculations must take into account the square footage of the entire container bottom. 616: "Ice blink" is __________.
N a. the dark appearance of the underside of a cloud layer due to reflection of a surface of open water N b. the soft light appearance on the underside of a cloud layer due to reflection from a surface of open water Y c. the yellowish-white glare on the underside of a cloud layer N d. "water sky" 636: The use of an anchor to assist in turning in restricted waters is __________.
N a. a last resort Y b. good seamanship N c. the sign of a novice shiphandler N d. to be used only with a single-screw vessel 782: The owner or Master of a towing vessel shall ensure that each person that directs and controls the movement of the vessel can accurately fix the vessel's position using all of the following EXCEPT ___________ .
N a. installed navigational equipment Y b. buoys alone N c. all available aids to navigation N d. depths soundings and hydrographic contour lines 813: The Officers Competency Certificates Convention of 1936 applies to all of these vessels operating seaward of the boundary line EXCEPT a/an ___________ .
N a. offshore supply vessel over 200 gross tons N b. passenger vessel of 295 gross tons Y c. uninspected towing vessel of less than 200 gross tons N d. inspected towing vessel of 305 gross tons 900: Camber, in a ship, is usually measured in __________.
N a. feet per feet of breadth N b. feet per feet of length Y c. inches per feet of breadth N d. inches per feet of length 1000: The "Mode" selector switch can be positioned and select all of the following EXCEPT __________.
Y a. weather adjustments N b. hand-electric steering N c. automatic gyro N d. non-followup control 1011: After your vessel has been involved in a casualty, you are required to make your logbooks, bell books, etc., available to __________.
N a. attorneys for opposition parties N b. marine surveyors Y c. U.S. Coast Guard officials N d. All of the above 1049: You have water washed your cargo tanks using the fixed machines. What should you do before using portable machines to clean areas screened from the wash of the fixed machine by structural members?
Y a. Ventilate the tank to eliminate any electrostatically charged mist. N b. Attach the water supply hose to the portable machine after the cleaning head is positioned inside the tank. N c. Insure that the tanks are not stripped until the final wash is started. N d. Ground the fixed machines to eliminate any electrostatic buildup on the cleaning head. 1068: You shall notify the nearest Coast Guard Marine Inspection Office as soon as possible when your vessel has been damaged in excess of __________.
N a. $1,000 N b. $1,500 N c. $10,000 Y d. $25,000 1107: You are rigging a stage over the vessel's side and are securing the downhaul with lowering turns at your end of the stage. When finished, the remainder of the line should be __________.
Y a. lowered down into the water N b. coiled on the stage with the bitter end on the bottom N c. coiled on the stage with the bitter end on top N d. coiled on deck to be slacked down by a seaman as needed 1112: What is an advantage of the 6X37 class of wire rope over the 6X19 class of wire rope of the same diameter?
Y a. Greater flexibility N b. More resistance to corrosion N c. More resistance to elongation N d. Lower weight per foot 1121: What should be readily available on deck while seamen are working over the side on a stage?
Y a. Rng buoy N b. Fire extinguisher N c. First aid kit N d. Stokes basket 1149: You are on anchor watch. As an aid to preventing thievery on the vessel you should __________.
N a. show running lights, anchor lights and deck lights N b. only show the required anchor lights and keep the rest of the vessel darkened N c. maintain water on deck with firehoses led out and all-purpose nozzles attached Y d. show anchor lights, deck lights and cargo lights hung over the vessel's side 1179: The most likely time for oil pollution while bunkering is when __________.
Y a. final topping off is occurring N b. first starting to receive fuel N c. hoses are being blown down N d. hoses are disconnected and being capped 1308: The S.S. Sheet Bend arrives in New York after encountering heavy weather on a voyage from Cape Town. Who will note the protest for the Master?
N a. Collector of Customs Y b. Notary Public N c. Officer in Charge Marine Inspection N d. U.S. Shipping Commissioner 1389: A band or collar on the top end of a boom to which the topping lift, midships guy, and outboard guys are secured, is called the __________.
N a. collar band N b. guy band N c. pad eye collar Y d. spider band 1475: As shown, the mooring line labeled "G" is called a(n) __________. (DO44DG )
N a. forward spring line N b. offshore bow line N c. forward breast line Y d. inshore bow line 1495: A common class of wire rope is the 6X37 class. What does the 37 represent?
N a. Number of wires in the inner core N b. Number of strands per wire rope N c. Tensile strength of the wire Y d. Number of wires per strand 1526: One shot of anchor chain is equal to how many feet (meters)?
N a. 6 (1.8 meters) N b. 15 (4.6 meters) N c. 45 (13.7 meters) Y d. 90 (27.4 meters) 1549: On your vessel, a wire rope for the cargo gear shows signs of excessive wear and must be replaced. In ordering a new wire for this 10-ton boom, what safety factor should you use?
N a. Three Y b. Five N c. Six N d. Seven 1774: Which knot is used to attach two different sized lines together?
N a. Granny knot Y b. Sheet bend N c. Square knot N d. Thief knot 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 2112: What is NOT surveyed at an annual load line survey?
N a. The overall structure and layout of the vessel for alterations to the superstructure Y b. The bilge pumping system N c. Main deck hatch covers N d. Portholes and deadlights in the side plating 2159: What is the mechanical advantage of tackle number 9? (DO29DG )
N a. 1 N b. 2 N c. 3 Y d. 4 2191: A wooden deck installed on top of the plating lettered N is known as __________. (D033DG )
N a. spar decking N b. furring Y c. ceiling N d. flooring 2218: If reefer spaces are not properly cleaned prior to loading cargo, it will most likely cause __________.
Y a. mold to develop on commodities N b. malfunction of the refrigeration equipment N c. contamination of the insulation in the space N d. All of the above 2219: You are using tackle number 5 to lift a weight of 300 lbs. If you include 10 percent of the weight for each sheave for friction, what is the pull on the hauling part required to lift the weight? (DO29DG )
N a. 50 lbs. N b. 75 lbs. Y c. 90 lbs. N d. 112 lbs. 2265: You are conducting trials to determine the maneuvering characteristics of your vessel. While making a turn, you take ranges and bearings of an isolated light with the results shown. Based on this information, what is the transfer for a turn of 45°? (D034DG )
Y a. 130 yards N b. 165 yards N c. 195 yards N d. 230 yards 2384: What is the volume of a sphere with a radius of 3 feet?
Y a. 113.08 cubic ft. N b. 96.57 cubic ft. N c. 37.69 cubic ft. N d. 28.23 cubic ft. 2397: Determine the area of a triangle with a base of 6.7 feet and a height of 9.1 feet.
N a. 61.0 square ft. Y b. 30.5 square ft. N c. 22.9 square ft. N d. 15.8 square ft. 2486: Which weld fault can only be detected by a method that examines the internal structure of a weld?
N a. Undercut N b. Lack of reinforcement N c. Overlap Y d. Lack of penetration 2931: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated FLASH will be delivered within __________.
N a. 3 hours to start of business the following day Y b. 10 minutes if possible N c. 1 to 6 hours N d. 30 minutes to 1 hour 2958: The bow thruster generally is ineffective at __________.
Y a. over 3 knots headway N b. at any speed astern N c. at any speed ahead N d. over 1 knot sternway 2981: When the anchor is brought to and holding, the horizontal component of anchor cable tensions should equal the __________.
N a. displacement tonnage N b. weight forces N c. buoyancy forces Y d. environmental forces 3180: A license issued by the U.S. Coast Guard for Master of Towing Vessels is valid for __________.
N a. 2 years and must be renewed N b. 3 years and must be renewed Y c. 5 years and must be renewed N d. life and need not be renewed 3292: The forecastle card is a(n) __________.
N a. unlicensed shipping card from the union N b. quarters allocation Y c. copy of the shipping agreement N d. Muster List ("Station Bill") 3300: You are heading into the sea during rough weather. Having too much weight forward can cause your small boat to __________.
N a. broach Y b. plunge into the wave N c. rise rapidly over the wave N d. list 3608: The horizontal port or starboard movement of a vessel is called __________.
N a. yaw Y b. sway N c. surge N d. heave 4108: Any vehicle to be loaded aboard a Ro-Ro vessel must __________.
N a. weigh less than 22 tons Y b. be provided with an effective braking system N c. have securing points with each aperture capable of accepting more than one lashing N d. All of the above 4274: During which condition should the operator of a pedestal crane shutdown operations?
N a. Bunkering barge alongside N b. Potable water spill on deck Y c. Crane hydraulic hose bursts N d. Trim greater than 4 feet