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.
10: You are scheduled to load a bulk shipment of steel turnings. Which statement is TRUE?
Y a. The primary hazard of this cargo is that it is subject to spontaneous heating and ignition. N b. The shipping papers should describe this cargo as "Waste; steel borings". N c. After loading, you may not sail if the temperature in each hold of steel turnings exceeds 130°F. N d. This cargo may not be transported in bulk unless a special permit is issued by the Coast Guard. 70: You are on a tankship designed to carry molten sulfur. Which statement is TRUE?
N a. There must be two portable toxic vapor detectors on board. N b. The cargo tank ventilation system must maintain the H2S vapor concentration at 1.85% or more by volume. Y c. Cargo temperature may be taken by portable thermometers. N d. The pressure in the heating coils in the tanks must be less than that of the cargo exerted on them. 74: The best information on the location of the blocks when dry docking a vessel is contained in the __________.
N a. shell expansion plan N b. docking diagram Y c. ship's docking plan N d. general arrangement plan 190: You are on a vessel that carries liquefied gasses in bulk. The person on watch is required to have what information about the cargo easily accessible?
N a. Port of loading N b. Exact quantity on board N c. Name and address of consignee Y d. Firefighting procedures 301: You are signing on a crew. Which person is presenting a Merchant Mariner's Document (MMD) that you should suspect as being invalid?
N a. An AB with an endorsement of "Any unlicensed rating in the deck department including Able Seaman" Y b. A seaman with an MMD only endorsed as "Bosun" N c. A Purser with an MMD only endorsed "See certificate of registry" N d. A Chief Steward with an MMD only endorsed as "Steward's Dept. (FH)" 355: Generally, you can best keep a vessel under steering control when the vessel has __________.
Y a. headway N b. sternway N c. no way on, with engines stopped N d. no way on, with engines full ahead 410: You are loading a cargo tank on your container ship. The tank displays the red label shown. Which statement is TRUE? (D023DG )
Y a. The tank contains propylene. N b. The tank's volume is 1077 cubic feet. N c. There are three tanks in the shipment. N d. The tank contains an oxidizing material. 426: You are stopped with no way upon your vessel at the pilot station. Your vessel is a large twin-screw ship. You must come around 180° to board your Pilot. How should you use the engines and rudder to turn the ship fastest in the least amount of space?
N a. Full ahead on the engines and hard over rudder N b. Full ahead on one engine, full astern on the other Y c. Half ahead with hard over rudder, then full astern on inboard engine N d. Slow ahead with hard over rudder 517: What is the purpose of the intermediate spring?
N a. Serves as a backup for the main tow hawser in case of failure. Y b. Provides weight and flexibility to the total tow makeup. N c. Lengthens the main tow hawser to keep the tow in step. N d. Distributes the towing load. 548: Using the graph shown, if the dry bulb temperature is 55°F (13°C) and the wet bulb is 50°F (10°C), what is the relative humidity? (D008DG )
N a. 55% Y b. 70% N c. 75% N d. 82% 564: The anchors on the bow are known as __________.
Y a. bower anchors N b. kedge anchors N c. spare anchors N d. stream anchors 570: A chain bridle is preferable to a wire rope towing bridle on a long ocean tow because chain __________.
N a. is more flexible and has the ability to absorb shock because of its weight N b. is less subject to wear and damage from abrasion N c. requires little maintenance Y d. All of the above 589: The terminal indicates to you that they are going to use a booster pump to assist the discharging operation. You start the discharge and in a few minutes the pressure drops sharply. This could be a result of the __________.
Y a. booster pump coming on the line and discharging properly N b. booster pump failing to start N c. ship's pump speeding up N d. booster pump being lined up in the wrong direction 589: The terminal indicates to you that they are going to use a booster pump to assist the discharging operation. You start the discharge and in a few minutes the pressure drops sharply. This could be a result of the __________.
Y a. booster pump coming on the line and discharging properly N b. booster pump failing to start N c. ship's pump speeding up N d. booster pump being lined up in the wrong direction 652: When plugging holes below the waterline you should __________.
N a. eliminate all water entering the hole N b. only plug holes in machinery or other vital spaces Y c. reduce the entry of water as much as possible N d. plug the largest holes first 675: An advantage of the modified Christmas Tree towing method is to __________.
N a. increase the towing hawser's catenary and provide more spring Y b. reduce catenary, allow operation in shallower water, and to release one barge without breaking up the entire tow N c. enable one tug and its crew without any outside assistance to make up or break down the tow N d. provide rapid delivery of logs from the northwestern United States to Hawaiian sawmills 687: 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 vessel's agent N b. The owner of the vessel N c. The Master of the vessel Y d. Any one of the above 739: Camphor oil is classified as a grade __________.
N a. A N b. C Y c. D N d. E 902: The number of able seamen required on board is stated in the __________.
N a. American Bureau of Shipping code N b. Solas Certificate N c. Classification Certificate Y d. Certificate of Inspection 1009: You are loading 475,000 barrels of cargo oil. At 0800 on 8 July, you find that you have loaded 174,000 barrels. At 1000, you find that you have loaded 192,000 barrels. If you continue loading at the same rate, you will finish at approximately __________.
N a. 1752, 8 July N b. 1940, 8 July N c. 0143, 9 July Y d. 1727, 9 July 1015: The tankship Northland is loaded as shown. Use the salmon colored pages in the Stability Data Reference to determine the sagging numeral. (Get Table Data)
N a. 71.07 numeral N b. 74.95 numeral N c. 77.56 numeral Y d. 78.29 numeral 1067: The normal and safest way for a sailor to be lowered in a bosun's chair when descending vertically is __________.
Y a. for that sailor to feed the hauling part through a bosun's chair hitch N b. to lead the hauling part to a cleat on the mast and slacking the sailor down N c. by taking several turns of the gantline on a winch drum and then lower the sailor by backing off on the winch N d. by leading the bight of the hauling part to a rail and taking several turns, then slacking away with the bight 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 1094: Which statement is TRUE with respect to the elasticity of nylon mooring lines?
N a. Nylon can stretch over forty percent without being in danger of parting. N b. Nylon can be elongated by one-hundred percent before it will part. N c. Nylon will part if it is stretched any more than twenty percent. Y d. Under load, nylon will stretch and thin out but will return to normal size when free of tension. 1156: The best time to work a boat into a slip is __________.
N a. when the wind is against you N b. with the current setting against you Y c. at slack water N d. with a cross current 1185: As shown, the mooring line labeled "C" is called a __________. (DO44DG )
N a. stern line N b. spring line Y c. breast line N d. shore line 1245: While on watch at sea you must maintain a proper lookout at all times. On a 700-foot cargo vessel being hand-steered during daylight hours in good visibility and clear of any navigational hazards, the lookout may be __________.
N a. the helmsman Y b. the mate on watch N c. Either A or B N d. Neither A nor B 1257: You are a watchstanding mate and have come to the bridge to relieve the watch. After reviewing the chart and having been briefed by the off-going mate, you are now ready to effect the relief. Which of the following is exemplary of the statement that would officially transfer the watch?
N a. You say to the mate going off watch, "Destination New York, course 283°, speed 16 knots." N b. The mate being relieved says, "You now have the watch, course 147°, speed 15 knots." N c. The mate being relieved says, "All in apparent good order, course 068° per gyro, 075° per standard." Y d. You say to the mate going off watch, "I relieve you, course 321° per gyro, 316° per standard." 1435: Which letter shown represents a clove hitch? (DO30DG )
Y a. X N b. U N c. T N d. R 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 1499: In illustration D044DG, the mooring line labeled "E" is called a(n) __________. (DO44DG )
N a. bow line N b. forward breast line N c. after spring line Y d. bow spring line 1540: In ship construction, keel scantlings should be the greatest __________.
N a. at each frame Y b. amidships N c. one-third the distance from the bow N d. one-third the distance from the stern 1563: Which statement about two lines spliced together is TRUE?
N a. Splicing is used to increase the circumference of each line. Y b. Splicing two lines together is stronger than knotting two lines together. N c. Splicing is used to increase the overall strength of the line. N d. Splicing is used to prevent rotting of the lines bitter end. 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 1698: A flammable liquid having a Reid vapor pressure of 8½ P.S.I.A. or less and a flash point of 80°F or below is grade __________.
N a. A N b. B Y c. C N d. D 1775: Your containership has a container displaying a hazardous cargo placard. The placard has the number 2224 on it. This indicates that it is carrying what cargo?
N a. Hexanol N b. Acrylic acid Y c. Benzonitrile N d. Propadiene, inhibited 1826: The knot lettered X in illustration DO30DG is a __________. (DO30DG )
N a. timber hitch N b. becket bend Y c. clove hitch N d. blackwall hitch 1862: How much force would be required to lift a weight of 200 lbs. using a gun tackle rigged to disadvantage (do not consider friction)?
N a. 50 lbs. Y b. 100 lbs. N c. 150 lbs. N d. 200 lbs. 1874: The label required for magnesium scrap is __________.
N a. oxidizer N b. yellow N c. corrosive Y d. None of the above 1943: In order to pay out or slack a mooring line which is under strain, you should __________.
N a. sluice the line Y b. surge the line N c. stopper the line N d. slip the line 1951: A case received for shipment is marked as shown. The portion of the symbol indicated by the letter A is _______ . (D043DG )
Y a. a stowage sequence marking N b. the consignee's marking N c. a stowage mark, showing the top of the case N d. the symbol for toxic contents 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 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 2186: What is the mechanical advantage of tackle number 7? (DO29DG )
N a. 0 N b. 0.5 N c. 1 Y d. 2 2302: What is NOT required to be approved or certified by the U.S. Coast Guard before being used on inspected vessels?
N a. Lifesaving equipment that is in excess of the regulatory minimum N b. Ship's stores that are Class A poisons or Class A explosives Y c. Steel plate used in hull construction N d. EPIRBs 2305: Which will cause a wire rope to fail?
N a. Using a medium graphite grease as a lubricant N b. Operating a winch too slow Y c. Using a sheave with an undersized throat N d. A sheave diameter of 24 times the wire's diameter 2464: Which term describes a part of a natural fiber line?
Y a. Yarns N b. Twines N c. Lacings N d. Lays 2588: Rivets are usually made of __________.
N a. wrought-iron N b. aluminum N c. high-tensile steel Y d. mild steel 2616: You are in charge of a towing vessel that operates exclusively on inland waters. You regularly tow barges that provide services (cargo lighters, fuel barges, etc.) to foreign flag vessels in port. What will be accepted as proper credentials for you and your crew?
N a. No credentials are required since you operate on inland waters only N b. Social Security card N c. State driver's license with photo ID Y d. Merchant Mariner's Document 2674: You operate a harbor craft on inland waters exclusively. If you regularly service or contact foreign flag vessels in the course of business, which statement is TRUE?
N a. Your vessel must be inspected. Y b. Your crew must have identification credentials. N c. A customs official must be on board when contacting a foreign flag vessel. N d. All contacts with a foreign flag vessel must be reported to the U.S. Coast Guard. 2805: "Hard right rudder" means __________.
N a. jam the rudder against the stops Y b. put the rudder over to the right all the way N c. meet a swing to the right, then return to amidships N d. put the rudder over quickly to 15 degrees right rudder 2946: Which single-letter signal, when used by icebreakers on the Great Lakes, may be made by using the ship's whistle?
N a. E N b. I Y c. M N d. None 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 3094: Your vessel is underway and approaching an overhead obstruction on Lake Superior. Given the following information, determine the clearance between your vessel and the obstruction. Highest point on vessel: 74 ft. Lowest point of obstruction: 126 (LWD) Monthly lake level: +2 (LWD) International Great Lakes Datum: 600.0 (182.88 meters)
N a. 474 feet N b. 400 feet N c. 175 feet Y d. 50 feet 3286: The signal man assisting the crane operator has his arm extended, with the thumb pointing up, and is flexing his fingers in and out for as long as the load movement is desired. This is the signal to __________.
N a. lower the boom and raise the load Y b. raise the boom and lower the load N c. lower the boom and lower the load N d. raise the boom and raise the load 3776: 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)
Y a. 29.70 numeral N b. 33.63 numeral N c. 49.82 numeral N d. 58.33 numeral 4151: Which of the following statements is TRUE regarding lashing requirements to secure vehicles aboard Ro-Ro vessels?
N a. It is NOT imperative that the securing of cargo on flats and trailers and in containers be adequate for BOTH road and sea motions. Y b. The generally recommended lash angle should not be greater than 45 degrees relative to the deck in any direction. N c. For effective securing vehicles should be stowed athwartships whenever possible. N d. It is not necessary to lash automobiles since setting the brakes is sufficient to keep them from moving. 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 4250: Which action(s) is/are included in crane operations?
N a. Pre-operation checks and start-up N b. Removing booms from stowage N c. Luff, slew, and hoist operations Y d. All of the above 4276: During which condition should the operator of a pedestal crane shutdown operations?
N a. Lightning in the vicinity N b. An approaching squall line N c. A fire on the pier Y d. All of the above