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.
54: Your vessel has grounded on a bar. What should you do?
N a. If you cannot get clear immediately, lighten the ship by pumping all ballast overboard. N b. Run the engine full astern to keep from being set further onto the bar. Y c. Switch to the high suction for condenser circulating water, if it is submerged. N d. All of the above 156: When heading on a course, you put your rudder hard over. The distance traveled parallel to the direction of the original course from where you put your rudder over to any point on the turning circle is known as __________.
Y a. advance N b. head reach N c. tactical diameter N d. transfer 212: Your vessel is port side to a pier with a spring line led aft from the bow. In calm weather, putting the engines ahead with the rudder hard left should bring __________.
Y a. the bow in and the stern out N b. both the bow and stern in N c. the bow out and the stern in N d. both the bow and stern out 271: Total responsibility for shipping and discharging the seamen is that of the __________.
Y a. Master of the vessel N b. steamship company N c. U.S. Custom Service N d. U.S. Coast Guard 408: What is the meaning of the term tare weight?
N a. Pounds of force necessary to damage a container N b. Total weight of a container and contents Y c. Weight of a container N d. Weight of the contents of a container 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. 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 592: When a helmsman receives the command "Right 15 degrees rudder," the helmsman's immediate reply should be __________.
Y a. "Right 15 degrees rudder" N b. "Aye Aye Sir" N c. "Rudder is right 15 degrees" N d. No reply is necessary, just carry out the order. 613: A lookout can leave his station __________.
N a. at the end of the watch Y b. only when properly relieved N c. at any time N d. 15 minutes before the end of the watch 623: When hugging a bank in a narrow channel, you should take precautions against_______________.
N a. bank suction, squat and the effects of vessels passing close aboard N b. clogged sea chests, plugged sea strainers and overheated machinery N c. striking underwater obstructions close to the bank Y d. All of the above 686: The effect known as "bank cushion" acts in which of the following ways on a single-screw vessel proceeding along a narrow channel?
Y a. It forces the bow away from the bank. N b. It forces the stern away from the bank. N c. It forces the entire vessel away from the bank. N d. It heels the vessel toward the bank. 701: The Safety Equipment Certificate shows that the vessel conforms to the standards of the __________.
N a. U.S. Coast Guard N b. American Bureau of Shipping N c. American Salvage Association Y d. S.O.L.A.S. Convention 729: A petroleum liquid has a flash point of 85°F. This is a grade __________.
N a. B flammable liquid N b. C flammable liquid Y c. D combustible liquid N d. E combustible liquid 730: In a Williamson turn, the rudder is put over full until the __________.
N a. vessel has turned 90°From her original course Y b. vessel has turned 60°From her original course N c. vessel is on a reciprocal course N d. emergency turn signal sounds 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 816: Water may boil up around the stern of a vessel in a channel due to __________.
N a. slack water when upbound Y b. shallow water N c. a cross current N d. a head current 828: Your vessel's available bale cubic capacity is 625,000 and her available cargo capacity is 10,000 deadweight tons. Disregarding broken stowage, how many tons of pyrite (stowage factor - 13) and how many tons of cork (s.f. - 150) must be loaded to be full and down?
Y a. 6387 tons pyrite, 3613 tons cork N b. 6721 tons pyrite, 3279 tons cork N c. 7500 tons pyrite, 2500 tons cork N d. 9133 tons pyrite, 867 tons cork 853: Who is responsible for properly manning a vessel in accordance with all applicable laws, regulations and international conventions?
N a. The (USCG) Officer in Charge of Marine Inspection N b. The (USCG) Captain of the Port N c. The owner or operator of the vessel Y d. The Master of the vessel 867: Who may perform as a lookout?
N a. A member of the engineering watch Y b. A member of the navigational watch N c. A member of the Stewards Department N d. All of the above 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 1134: The critical point in nylon line elongation is about __________.
N a. 20% N b. 30% Y c. 40% N d. 50% 1186: Which term describes a rope in which three right-handed strands are laid up left-handed?
N a. Soft-laid N b. Hard-laid N c. Shroud laid Y d. Hawser-laid 1234: Which type of line will stretch the most when under strain?
N a. Polypropylene N b. Dacron Y c. Nylon N d. Manila 1330: Beams are cambered to __________.
N a. increase their strength Y b. provide drainage from the decks N c. relieve deck stress N d. All of the above 1336: When picking up your mooring at the buoy, the correct method is to __________.
N a. approach the buoy with the wind and current astern Y b. approach the buoy with the wind and current ahead N c. approach the buoy with wind and sea abeam N d. stop upwind and up current and drift down on the buoy 1642: Which illustration represents a carrick bend? (DO30DG )
N a. H N b. J N c. L Y d. M 1742: You should conduct a sector search under which of the following circumstances?
Y a. The search target is sighted and then lost. N b. More than one vessel is available for a search. N c. The search object is a target that will be readily detected by radar. N d. An aircraft is available to assist a surface vessel. 1748: An Official Logbook is required on which vessel?
N a. A 150-G.T. tug going from Boston to New Orleans. Y b. A 100-G.T. tug going from New York to San Pedro, California. N c. A 50-G.T. tug going from Miami to Seattle. N d. A 199-G.T. tug on a coastwise trip of 650 miles. 1778: You are landing a single-screw vessel with a right-handed propeller port side to a dock. As you approach the dock, you back down on your engine with rudder amidships. You would expect the vessel to __________.
N a. drift away from the dock N b. lose headway without swinging Y c. swing its stern towards the dock N d. swing its stern away from the dock 1812: A survey of refrigerated cargo, to certify that proper methods of stowage were utilized, can be conducted by the __________.
N a. American Bureau of Shipping N b. Occupational Safety and Health Administration N c. U.S. Coast Guard Y d. National Cargo Bureau 1918: Which statement is TRUE concerning hawser towing?
N a. The catenary in a hawser should be sufficient so that the hawser just touches the bottom. N b. The hawser is of sufficient length for towing when taut between tug and tow. N c. Increasing speed usually increases the catenary in the hawser. Y d. Shortening the tow hawser generally decreases the maneuverability of the tug. 1925: Which material should NOT be used to secure cargo on deck for a voyage?
N a. Steel chain N b. Wire rope N c. Steel strapping Y d. Fiber rope 1941: The helm command "Left twenty" means __________.
N a. change course twenty degrees to the left Y b. put the rudder left twenty degrees N c. put the rudder hard left for the first twenty degrees of swing N d. put the rudder left twenty degrees and then ease back as the vessel starts swinging 2025: What is the chief hazard encountered when surging synthetic mooring lines on the gypsyhead during operations?
N a. If there is sudden strain, the man tending the line may be pulled into the gypsyhead. N b. The lines may jam and then jump off the gypsyhead. N c. The lines' surging may cause the vessel to surge. Y d. The heat generated may cause the lines to temporarily fuse to the gypsyhead. 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 2049: While the Pilot is maneuvering the vessel to a dock, what is the PRIMARY responsibility of the watch officer?
N a. Supervise the signaling and flag etiquette. N b. Record the bells and their times in the bell book. N c. Judge the appropriateness of the Pilot's orders and countermand them if necessary. Y d. Insure that helm and throttle orders given by the Pilot are correctly executed. 2061: A sheave is a __________.
Y a. grooved wheel in a block N b. line to hold a lifeboat next to the embarkation deck N c. partial load of grain N d. seaman's knife 2084: A copy of the Articles of Agreement, less the signatures, is required to be posted. This document is called the __________.
Y a. Fo'c'sle Card N b. Articles Copy N c. Voyage Agreement N d. Shipping Articles 2164: What provides the majority of strength to an aluminum-sided container?
N a. Corner fittings Y b. Framework, primarily the corner posts N c. Framework and siding acting as a girder N d. Aluminum side and end panels 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 2227: You are using tackle number 4 in illustration DO29DG 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 )
N a. 20 lbs. N b. 30 lbs. Y c. 42 lbs. N d. 57 lbs. 2283: What is the area of a circle with a radius of 2 feet after a sector of 86° has been removed?
N a. 2.39 sq. ft N b. 3.02 sq. ft Y c. 9.55 sq. ft N d. 12.57 sq. ft 2385: You are on a multiple-product chemical tanker and will carry cargoes of butyric acid, propylene oxide, and octyl alcohol. Which statement is true?
N a. Butyric acid is incompatible with octyl alcohol but not propylene oxide. Y b. Propylene oxide may not be stowed in a tank adjacent to butyric acid. N c. All of these cargoes are compatible. N d. Octyl alcohol is incompatible with both butyric acid and propylene oxide. 2568: You are proceeding along the right bank of a narrow channel aboard a right-handed single-screw vessel. The vessel starts to sheer due to bank suction/cushion effect. You should __________.
N a. stop engines and put the rudder left full N b. back full with rudder amidships N c. decrease speed and put the rudder right full Y d. increase speed and put the rudder right full 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 2608: Most very large ocean going vessels, such as bulk carriers and large tankers, tend to squat __________.
Y a. by the bow N b. by the stern N c. at the end nearest the bottom N d. evenly fore and aft 2736: Distances on the Great Lakes System are generally expressed in __________.
N a. miles above the entrance to the St. Lawrence Seaway (MASLW) N b. miles above the head of the passes (AHP) N c. nautical miles Y d. statute miles 2774: There are basically three categories of water level fluctuations on the Great Lakes. What is NOT included as one of these?
N a. Long range fluctuations Y b. Controlled outflow fluctuations N c. Seasonal fluctuations N d. Short period fluctuations 2776: How are aids to navigation on the Great Lakes arranged geographically?
N a. In a westerly and northerly direction, except on Lake St. Clair N b. In an easterly and southerly direction, except on Lake Erie Y c. In a westerly and northerly direction, except on Lake Michigan N d. In an easterly and southerly direction, except on the New York State Barge Canal 2886: How should you signal the crane operator to lower?
N a. With forearm vertical and forefinger pointing up, move hand in small horizontal circles. Y b. With arm extended downwards and forefinger pointing down, move hand in small horizontal circles. N c. Extend arm and point finger in the direction to move the boom. N d. Extend arm with thumb pointing downward, and flex fingers in and out. 2952: Spontaneous heating of coal rapidly accelerates at the approximate minimum temperature of __________.
N a. 88°F Y b. 100°F N c. 111°F N d. 119°F 2982: How should you signal the crane operator to stop?
N a. Place both fists in front of your body with the thumbs pointing outward. N b. With both arms extended out and palms down, move arms back and forth. Y c. Extend arm with the palm down and hold this position rigidly. N d. Clasp hands in front of your body. 3014: You are lifting a 3 ton weight with a single whip rove on a swinging boom set at an angle of 60° 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.
N a. 1 1/8 inch Y b. 1 1/2 inch N c. 1 3/4 inch N d. 2 inch 3061: 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 N c. 10 minutes if possible Y d. 30 minutes to 1 hour 3089: How does an icebreaker normally free a ship which has become beset while navigating independently?
N a. By backing down the track and cutting out ice on either bow Y b. By approaching from the stern and crossing ahead at an angle of 20° to 30° to the beset ship's course N c. By overtaking the beset ship, running ahead and then backing down the track to the beset vessel N d. By approaching the vessel from astern and towing the beset vessel stern first 3098: A weight of 1,000 short tons is equivalent to __________.
N a. 1,500 foot-pounds N b. 2,240 long tons N c. 2,000 pounds Y d. 2,000 kips 3582: What term indicates the length measured along the summer load line from the intersection of that load line with the foreside of the stem and the intersection of that load line with the after side of the rudder post?
N a. Length overall N b. Register length Y c. Length between perpendiculars N d. Length on the waterline 3840: You are lifting a one-ton weight with a swinging boom. When comparing the stresses on 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 thrust on the boom is greater at 20°. N b. The stress on the topping lift is greater at 60°. Y c. The stress on the heel block is less at 60°. N d. The change in angle of elevation has no effect on the stresses in the head block. 4066: What is the MOST irritating to the skin?
N a. Carbon disulfide N b. Ethyl alcohol N c. Isoprene Y d. Oleum 4160: 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 20 tons and 30 tons, when carried on Ro-Ro vessels?
N a. One N b. Two Y c. Three N d. Four