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.
37: Your enrolled vessel is bound from Baltimore, MD, to Norfolk, VA, via Chesapeake Bay. Which statement about the required Pilot is TRUE?
N a. The Pilot must be licensed by either Virginia or Maryland. Y b. The Pilot need only be licensed by the Coast Guard. N c. The Pilot must be licensed by Virginia and Maryland. N d. The Pilot must be licensed by Virginia, Maryland and the Coast Guard. 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. 148: Overcarriage is best prevented by __________.
N a. assuring heavy cargo is stowed low in the vessel N b. checking the vessel's load line calculations carefully Y c. inspection of the hold at completion of discharge N d. stowing the cargo which is to be discharged last on the bottom 197: Serving is __________.
N a. marline or ratline wound along the grooves of a rope N b. narrow strips of light canvas or cotton cloth spiral-wrapped along the rope Y c. marline tightly wound on the rope by means of a board or mallet N d. a splice made by laying the strand of one rope into the vacated grooves of another rope 249: Functions aboard a tanker or tank barge such as connecting, disconnecting, and topping off must be supervised by __________.
N a. any certificated tankerman N b. the Master of the vessel N c. the officer of the watch Y d. the person designated as "person in charge" 306: You are aboard a single-screw vessel with a right-handed propeller. The vessel is dead in the water and the rudder is amidships. If you reverse your engine you would expect your vessel to __________.
Y a. kick its stern to port N b. kick its stern to starboard N c. move astern without swinging N d. swing its stern to starboard, then to port 339: Oil product samples should be taken from the __________.
N a. dock riser N b. ship's cargo tanks N c. shore tank discharge Y d. All of the above 441: The document which shows a vessel's nationality, ownership, and tonnage is the __________.
N a. Manifest Certificate N b. Bill of Lading Certificate Y c. Certificate of Documentation N d. Official Logbook 473: The American Consul has asked the Master of a vessel bound for a port in the U.S. to transport a destitute seaman back to the U.S. Which action may the Master take?
N a. He may refuse to accept the seaman if the seaman is medically unfit. N b. He must take the seaman even if the seaman has a contagious disease. N c. He is always required to take the seaman. Y d. He may refuse to take the seaman if it will violate the Certificate of Inspection. 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 539: Which type of shackle is used for most towing connections?
Y a. Safety shackles N b. Round pin anchor shackles N c. Screw pin shackles N d. Heart shaped shackles 556: You may BEST turn a twin-screw vessel about, to the right, in a narrow channel by using __________.
N a. both engines ahead and helm N b. one engine only Y c. port engine ahead and the starboard engine astern N d. both engines astern and use helm 612: When backing down with sternway, the pivot point of a vessel is __________.
N a. at the bow N b. about one-third of the vessel's length from the bow N c. aft of the propellers Y d. about one-quarter of the vessel's length from the stern 667: While towing in shallow water you should consider __________.
N a. using a short towing hawser Y b. using a floating hawser N c. the catenary and the effect it may have on the tow N d. All of the above 673: In illustration D044DG, the mooring line labeled "C" is called a __________. (DO44DG )
N a. shore line Y b. breast line N c. spring line N d. stern line 735: A heavy steel curved arch constructed athwartships and above the after deck on a towing vessel is sometimes called a __________.
N a. main brace Y b. tow span N c. jockey bar N d. None of the above 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 844: Using a safety factor of five, determine the safe working load of a line with a breaking strain of 20,000 pounds.
Y a. 4,000 N b. 5,000 N c. 20,000 N d. 100,000 861: Every entry required to be made in the Official Logbook shall be signed by the __________.
N a. Mate on watch Y b. Master and Chief Mate or other member of the crew N c. Master only N d. Purser, one of the Mates, and some other member of the crew 950: The upward slope of a ships bottom from the keel to the bilge is known as __________.
N a. camber N b. slope Y c. deadrise N d. keel height 966: When a boat turns broadside to heavy seas and winds, thus exposing the boat to the danger of capsizing, the boat has __________.
Y a. broached N b. pitchpoled N c. trimmed N d. yawed 1041: The document on a vessel, annually endorsed by an American Bureau of Shipping surveyor, is called the __________.
N a. Certificate of Inspection N b. Classification Certificate Y c. Load Line Certificate N d. Seaworthy Certificate 1048: You are the person in charge of a vessel involved in a marine casualty. You must notify the nearest Coast Guard Marine Inspection Office if the property damage is over __________.
N a. $1,500 N b. $10,000 Y c. $25,000 N d. $50,000 1106: A vessel is underway with a work stage rigged over the side. A seaman may work on the stage, but only when __________.
N a. wearing a life jacket N b. wearing a safety harness secured to the stage N c. wearing both a life jacket and a safety harness secured to the stage Y d. the vessel is not making way 1116: On a single-screw vessel, when coming port side to a pier and being set off the pier, you should __________.
N a. swing wide and approach the pier so as to land starboard side to N b. approach the pier on a parallel course at reduced speed Y c. make your approach at a greater angle than in calm weather N d. point the vessel's head well up into the slip and decrease your speed 1146: While your vessel is docked port side to a wharf, a sudden gale force wind causes the vessel's bow lines to part. The bow begins to fall away from the dock, and no tugs are immediately available. Which measure(s) should you take FIRST?
N a. Call the Master and the deck gang. N b. Slip the stern lines, let the vessel drift into the river, and then anchor. Y c. Let go the starboard anchor. N d. Obtain assistance and attempt to put some new bow lines out. 1196: You are landing a single-screw vessel, with a right-hand propeller, starboard side to the dock. When you have approached the berth and back the engine, you would expect the vessel to __________.
N a. lose headway without swinging Y b. turn her bow toward the dock N c. turn her bow away from the dock N d. head into the wind, regardless of the side the wind is on 1304: A nylon line is rated at 12,000 lbs. breaking strain. Using a safety factor of 5, what is the safe working load (SWL)?
N a. 2,000 lbs. Y b. 2,400 lbs. N c. 12,000 lbs. N d. 60,000 lbs. 1402: What form of ice is of land origin?
N a. Shuga N b. Floe N c. Spicule Y d. Bergy bit 1410: The result of two forces acting in opposite directions and along parallel lines, is an example of what type of stress?
N a. Tensile N b. Compression Y c. Shear N d. Strain 1578: A stream of water immediately surrounding a moving vessel's hull, flowing in the same direction as the vessel is known as __________.
N a. directional current N b. forward current N c. propeller current Y d. wake current 1615: A towing vessel should be on the crest of a wave at the same time as its tow and in the trough at the same time. The term used to describe this is __________.
N a. tow strain N b. catenary length Y c. being in step N d. Williamson's Tow 1686: When weighing anchor in a rough sea, how would you avoid risk of damaging the bow plating?
N a. Heave it home as fast as you can. N b. Heave it home intermittently, between swells. Y c. Leave the anchor under foot, until the vessel may be brought before the sea. N d. Wait for a calm spot between seas, then house it. 1687: What is the perimeter of a circle with a radius of 4.2 feet?
Y a. 26.39 ft N b. 21.19 ft N c. 17.81 ft N d. 13.20 ft 1788: Which position shown is the most dangerous when tying up? (D019DG )
Y a. I N b. II N c. III N d. IV 1855: Which problem is virtually impossible to detect during an in-service inspection of used anchor chain?
N a. Cracks N b. Elongation N c. Loose studs Y d. Fatigue 1879: What is the mechanical advantage of a threefold purchase when rove to disadvantage and neglecting friction?
N a. 3 N b. 4 N c. 5 Y d. 6 1880: You are using tackle number 11 in illustration DO29DG 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 )
Y a. 75 lbs. N b. 90 lbs. N c. 110 lbs. N d. 117 lbs. 1898: Back-up wires on a towed vessel provide __________.
N a. a factor of safety N b. additional strength N c. a distribution of the towing load Y d. All of the above 1928: Which towing method maintains the most control over the tow?
N a. Tandem towing N b. Honolulu towing N c. Tandem tug towing Y d. Breasted tug towing 2023: A mooring line leading at nearly right angles to the keel is a __________.
N a. spring line N b. bow line N c. stern line Y d. breast line 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 2179: A design modification of an anchor chain which prevents kinking is the __________.
N a. detachable link Y b. stud link N c. Kenter link N d. connecting link 2186: What is the mechanical advantage of tackle number 7? (DO29DG )
N a. 0 N b. 0.5 N c. 1 Y d. 2 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 2239: You are using tackle number 3 to lift a weight of 120 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 )
Y a. 52 lbs. N b. 49 lbs. N c. 40 lbs. N d. 27 lbs. 2278: You will load and carry a bulk cargo of sulfur at ambient temperature. Which statement is true?
N a. Wooden covers must be laid over the bilge wells to prevent the sulfur from entering the bilges. Y b. Bulk sulfur may be carried without a special permit providing the vessel complies with all applicable regulations. N c. The major characteristic of this cargo is that it forms sulfuric acid upon contact with water. N d. Other hazardous material may not be stowed in the same hold as the sulfur but may be carried on deck above the hold. 2506: A tow of 9 barges is made up three abreast and three long. The towboat is faced up to the center string which is known as the __________.
N a. main string Y b. push string N c. power string N d. face string 2532: For a given weight of cargo, the stress on the heel block of a cargo boom __________.
N a. increases as the cargo closes the head while hoisting N b. increases if the cargo runner is doubled up Y c. decreases as the boom is topped to a greater angle N d. is determined by the thrust stresses on the boom 2716: A channel is stated as having a controlling depth of 38 feet. Which statement is TRUE?
N a. At least 80% of the channel is cleared to the charted depth. N b. At least 50% of the channel is cleared to the charted depth. Y c. 100% of the channel width is clear to 38 feet. N d. The sides of the channel conform to at least 50% of the controlling depth. 2909: A mechanical davit is designed to automatically __________.
N a. position the boat at the embarkation station Y b. lift the boat off the inboard chocks N c. energize the winch for the falls N d. set the brake on the winch 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 2969: Fog can form in any season on the Great Lakes, but it is most likely to occur over open waters in __________.
N a. summer and early autumn N b. autumn and early winter N c. winter and early spring Y d. spring and early summer 3076: The part of the anchor indicated by the letter K is the __________. (D038DG )
N a. crown Y b. ring N c. shank N d. bending shot 3078: Another name for coal naphtha that would appear on a dangerous cargo manifest is __________.
Y a. benzene N b. tar N c. middle oil N d. toluene 3168: Which item is rigged to transmit the thrust from one barge to another when backing down? (D024DG )
N a. I N b. H Y c. C N d. B 3644: You are drifting in a locale where there is no current. As a rule, your vessel will lie __________.
N a. bow to the wind Y b. beam to the wind N c. stern to the wind N d. with the wind on the quarter 3652: You are lifting a one-ton weight with a swinging boom. When comparing the stresses in the rig with the boom at 20° to the horizontal to the stresses when the boom is at 60° to the horizontal, which statement is TRUE?
N a. The stress on the topping lift is greater at 60°. N b. The thrust on the boom is greater at 20°. N c. The stress on the heel block is less at 20°. Y d. The stress on the masthead fairlead for the topping lift is greater at 20°. 3740: Instructions to the crew in the use of all the ship's lifesaving equipment shall be completed __________.
N a. before sailing N b. within one week of sailing N c. in one month and repeated quarterly Y d. within any two month period 4242: What is the advantage of the tandem working arrangement of pedestal cranes when operating cargo?
N a. The cranes enable the handling of heavy cargos without shoreside assistance N b. The cargo discharge can be accomplished with controlled pendulation N c. The cargo discharge can be performed in port or at anchor Y d. All of the above