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.
91: You are the person in charge of a 199 GRT uninspected towing vessel engaged in coastwise towing from the Gulf of Mexico to New York, a distance in excess of 600 miles. Which statement is FALSE?
N a. The deckhands shall be divided into 3 watches. N b. Able seamen are required in the deck crew. N c. All crew members shall have Merchant Mariner's Documents. Y d. Certificates of Discharge are not required to be issued. 120: You are on a multiple-product tankship and scheduled to load a cargo classed as an aromatic amine. This cargo is incompatible with cargoes classed as __________.
Y a. organic anhydrides N b. ketones N c. phenols N d. esters 164: A look-out should report objects sighted using __________.
N a. true bearings N b. magnetic bearings N c. gyro bearings Y d. relative bearings 203: How does the effect known as "bank suction" act on a single-screw vessel proceeding along a narrow channel?
N a. It pulls the bow toward the bank. N b. It pushes the entire vessel away from the bank. Y c. It pulls the stern toward the bank. N d. It heels the vessel toward the bank. 229: Which refers to the depth of a petroleum product in a tank?
N a. Outage N b. Ullage N c. Thievage Y d. Innage 248: Dunnage may be used to protect a cargo from loss or damage by _______________________ .
Y a. ship's sweat N b. inherent vice N c. tainting N d. hygroscopic absorption 284: The beam of a vessel refers to the __________.
N a. depth between decks N b. internal cubic capacity N c. molded depth of the vessel Y d. width of the vessel 287: On the cargo manifest, the weight of the cargo inside a box is called __________.
N a. gross weight Y b. net weight N c. light weight N d. rate weight 344: The purpose of a bilge well is to __________.
N a. afford access to the shell through the double bottoms Y b. collect water to be pumped out N c. provide access for the pneumercator N d. provide a base line for sounding measurements 457: You are the operator 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?
N a. Deck watches may be 6 and 6. N b. Able seamen are not required in the deck crew. Y c. All crew members must have Merchant Mariner's Documents. N d. A licensed Chief Engineer is required. 460: When stowing hazardous materials on deck, lashing of such cargo is permitted if __________.
N a. a wooden bin is constructed of at least 2-inch dunnage and bolted together N b. the cargo is lashed to the adjacent guard rails Y c. the lashings are secured to deck pad eyes N d. there is at least 3 inches of dunnage on deck 466: A twin screw vessel, making headway with both engines turning ahead, will turn more readily to starboard if you __________.
N a. reverse port engine, apply right rudder N b. reverse port engine, rudder amidships Y c. reverse starboard engine, apply right rudder N d. reverse starboard engine, rudder amidships 483: A fiber towing hawser is readied for service by __________.
N a. spooling it on a winch cathead N b. coiling it in a counterclockwise direction on the fantail Y c. faking it on deck in a fore and aft direction N d. spooling it on a reel lying on its side to prevent rolling 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. 760: The connection to the towline must be secured with a ____________ .
N a. galvanized screw-pin shackle N b. hardened steel thimble Y c. shackle secured a nut and cotter pin N d. shackle fitted with a swivel piece 772: To reduce stress on the towing hawser when towing astern (ocean tow), the hawser should be __________.
N a. secured to the aftermost fitting on the towing vessel N b. just touching the water Y c. underwater N d. as short as possible 906: A snag or other underwater obstruction may form a __________.
Y a. V-shaped ripple with the point of the V pointing upstream N b. V-shaped ripple with the point of the V pointing downstream N c. small patch of smooth water on a windy day N d. smoothing out of the vessel's wake 910: The purpose of sheer in ship construction is to __________.
Y a. allow the ship to ride waves with drier decks N b. eliminate the need for butt straps N c. eliminate the need for margin plates N d. give greater strength at the deck edge 911: Which entry is NOT required in the Official Logbook?
N a. Steering gear tests N b. Position of the load line and freeboard upon sailing Y c. Commencement and termination of cargo operations N d. Closure of hatches and sideports upon sailing 922: You are on watch at sea at night, and a fire breaks out in #3 hold. What would you NOT do immediately?
N a. Shut down the cargo hold ventilation. N b. Sound the fire alarm signal to rouse out all hands. N c. Call the Master. Y d. Proceed to the space and inspect the extent of the fire. 953: When bunkering at anchorage which of the following signals must be displayed?
N a. A red flag by day, red light by night Y b. A red flag by day ONLY N c. A red light by night ONLY N d. No signal required at anchorage 986: When running before a heavy sea, moving weights aft will affect the handling of a vessel by __________.
N a. reducing rolling N b. increasing rolling Y c. reducing yawing N d. increasing yawing 1093: When rigging a bosun's chair, a tail block or lizard is used to __________.
N a. guide the bosun's chair down a stay when applying a protective coating N b. run paint or tools up to a sailor in a chair with a heaving line N c. keep a bosun's chair from swinging with the ship's motion Y d. reeve the gantline through 1131: U.S. Customs, upon boarding a vessel desiring entry into a U.S. port, would inspect which document?
N a. Cargo Manifest N b. Certified Crew List N c. Stores List Y d. All of the above 1164: Which type of line floats?
N a. Dacron N b. Nylon N c. Old manila Y d. Polypropylene 1310: Which statement is TRUE concerning protection of double bottom tanks against excessive pressure?
N a. Each vent for the tank must be equal to the area of the tank filling line. N b. The tanks must be protected by overflows. Y c. The total area of the vents or the overflow shall be at least 125% of the area of the fill line. N d. There must be twice as much vent area as the area of the fill line. 1402: What form of ice is of land origin?
N a. Shuga N b. Floe N c. Spicule Y d. Bergy bit 1431: A charterer is unable to complete the loading of a vessel during the lay days specified in the charter party. Under these circumstances, the __________.
Y a. vessel operator can collect demurrage N b. ship is authorized extra time to discharge the cargo N c. charterer must pay dispatch money N d. effective period of the charter is extended 1463: On a small boat, which knot is best suited for attaching a line to the ring of an anchor?
N a. Clove hitch N b. Figure-eight knot Y c. Fisherman's bend N d. Overhand knot 1610: The joint formed when two steel shell plates are placed longitudinally side to side is called a __________.
N a. bevel N b. bond N c. strake Y d. seam 1643: The splice designed to pass easily through a block is called a(n) __________.
N a. eye splice N b. short splice Y c. long splice N d. block splice 1786: You are anchoring in a river where the current is from one direction only. The best way to lay out two anchors is to have them __________.
N a. directly in line with the bow N b. side by side, with their lines on the port and starboard side Y c. so that their lines form an angle N d. on top of one another 1786: You are anchoring in a river where the current is from one direction only. The best way to lay out two anchors is to have them __________.
N a. directly in line with the bow N b. side by side, with their lines on the port and starboard side Y c. so that their lines form an angle N d. on top of one another 1846: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated IMMEDIATE will be delivered within __________.
N a. 3 hours to start of business the following day N b. 1 to 6 hours Y c. 30 minutes to 1 hour N d. 10 minutes if possible 2035: A seaman signed on articles on 16 January 1987 and signed off on 2 March 1987. How should you enter this under the Time of Service column in the articles?
N a. 1 Month 18 Days N b. 1 Month 16 Days N c. 2 Months Y d. 46 Days 2126: You have anchored in a mud and clay bottom. The anchor appears to be dragging in a storm. What action should you take?
N a. Shorten the scope of the cable. N b. Veer cable to the anchor. N c. Drop the other anchor underfoot. Y d. Drop the second anchor, veer to a good scope, then weigh the first anchor. 2132: Which statement concerning dual-tonnage vessels is TRUE?
N a. The dual-tonnage mark is always marked above the load line marks. N b. The tonnages referred to are the displacement tonnage and gross tonnage. Y c. A single-deck vessel may not be assigned dual tonnages. N d. The dual-tonnage mark must never be submerged beyond the freshwater allowance. 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) 2167: Which statement concerning sweat damage in containers is TRUE?
N a. Sweat damage in containers is unusual due to the small enclosed volume of air. N b. In general, containerized hygroscopic cargoes are the only ones subject to sweat damage. Y c. Containers should be ventilated, dehumidified, or the contents physically protected against sweat damage. N d. Sweat damage is not a problem except in insulated and refrigerated containers. 2224: When improperly tied, which knot shown is called a granny or thief's knot? (D030DG )
N a. F N b. M N c. R Y d. W 2240: What is the mechanical advantage of tackle number 1? (DO29DG )
N a. 0.5 Y b. 1 N c. 1.5 N d. 2 2266: Your vessel has been damaged and is partially flooded. The first step to be taken in attempting to save the vessel is to __________.
Y a. establish flooding boundaries and prevent further spread of flood water N b. plug the hole(s) in the outer shell N c. pump out the water inside the vessel N d. calculate the free surface effect and lost buoyancy to determine the vessel's stability 2528: Which entry on a dangerous cargo manifest concerning the classification of a cargo is correct?
Y a. Class 8 N b. Class 3 - flammable liquid N c. Division 2.2 - nonflammable gas N d. All of the above are correct 2542: When loading containers into the cell guides in the hold of a container ship, which statement is TRUE?
Y a. No further securing is usually required. N b. Containers must have vertical lashings if they do not have twist lock securing. N c. All containers must have vertical and horizontal lashings. N d. The container must be locked into the cell guide. 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 2768: Which of the Great Lakes lies entirely within the United States?
N a. Lake Ontario N b. Lake St. Clair Y c. Lake Michigan N d. Lake Superior 2888: The Coordinator Surface Search in a SAR situation should display by day __________.
Y a. the code flags FR N b. a black ball over a black diamond shape N c. code flag Quebec over a black ball N d. two black diamond shapes in a vertical line 2922: A long pole with a hook at one end, used to reach for lines, is known as a __________.
Y a. pike pole N b. jack staff N c. line rod N d. hooker 2986: Sulfuric acid is a __________.
N a. clear syrupy liquid with no odor Y b. colorless-to-brown liquid with a choking odor when hot N c. colorless liquid with a pleasant fruity odor N d. whitish liquid with a faint, pleasant odor 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 3077: The flash point of vinyl chloride is __________.
Y a. -108°F (-78°C) N b. -20°F (-29°C) N c. 32°F (0°C) N d. 97°F (36°C) 3167: Which statement concerning a 298 GRT inspected tug engaged in towing from Seattle, WA, to Alaska is TRUE?
N a. No able seamen are required. Y b. Each crew member must be issued a certificate of discharge at the time of discharge. N c. A licensed Master of Towing Vessels may serve as Master. N d. Crew must be signed on before a Shipping Commissioner. 3210: A licensed Master of Towing Vessels may NOT serve as the person in charge of which towing vessel?
N a. 99 GRT towing vessel operating on Chesapeake Bay N b. 199 GRT towing vessel operating in the Gulf of Alaska N c. 500 GRT towboat operating on the Western Rivers Y d. 349 GRT towing vessel operating between Florida and Puerto Rico 3346: When connecting the tow bridle to a tug, the end of the bridle is passed with a __________.
N a. heaving line N b. shot line N c. high line Y d. messenger line 3370: In astern towing, a tow span, also called the "tow bar" or "towing arch", is used to __________.
N a. insure that the hawser leads directly aft as it passes over the stern of the towing vessel N b. increase the stability of the towing vessel by raising the hawser off the deck N c. reduce chafing of the towing hawser Y d. prevent fouling of the hawser on deck gear located on the stern of the towing vessel 3414: You are lifting a 3-ton weight with a single whip rove on a swinging boom set at an angle 20° 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.
Y a. 1 3/8 inch N b. 1 1/2 inch N c. 1 5/8 inch N d. 1 3/4 inch 4047: Your vessel is to dock bow in at a pier. Which line will be the most useful when maneuvering the vessel alongside the pier?
N a. Inshore head line Y b. Bow spring line N c. Stern breast line N d. Bow breast line 4164: According to the IMO Code, what are the minimum number of securing points that should be on each side of a "road vehicle", whose gross vehicle mass is between 30 tons and 40 tons, when carried on Ro-Ro vessels?
N a. One N b. Two N c. Three Y d. None of the above 4271: Which immediate action should the operator of a pedestal crane take if crane control is lost?
N a. Sound the general alarm. Y b. Return the control levers to the neutral positions. N c. Notify port security. N d. Hold the control levers all the way down. 4391: A report of casualty to a vessel must include __________.
N a. the estimated cost of damage N b. the amount of ballast on board Y c. the name of the owner or agent of the vessel N d. an evaluation of who was at fault