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.
6: Which statement about a tunnel bow thruster is TRUE?
Y a. It provides lateral control without affecting headway. N b. It is fully effective at speeds up to about six knots. N c. It can be used to slow the ship in addition to backing down. N d. It will allow you to hold a position when the current is from astern. 45: Which shallow water effect will increase dramatically if you increase your ship's speed past its "critical speed"?
Y a. Squatting N b. Smelling the bottom N c. Sinkage N d. Bank cushion 131: You are onboard a 120 GT uninspected sea going tug which carries one Master and one mate of towing vessels, and four seamen when underway. How many of the four seamen must have a rating as able seamen if the voyage is under 600 miles?
N a. 1 Y b. 2 N c. 3 N d. 4 198: Battens are fitted in cargo holds across the frames of the vessel from the turn of the bilge upward. The purpose of these cargo battens is __________.
N a. for securing a snatch block when snaking cargo into the wings of the hold Y b. to prevent cargo from coming in contact with the vessel's frames or shell plating N c. to provide fittings to which cargo lashings may be secured N d. to support the dunnage floors which are laid down between tiers of cargo 220: The best method to secure a towline to bitts is to __________.
N a. take a round turn on the bitt farthest from the pull and use figure-eights Y b. take a round turn on the bitt closest to the pull and use figure-eights N c. use figure-eights and take a round turn at the top of the bitts N d. use only figure-eights 274: What is the difference between net tonnage and gross tonnage?
Y a. Net tonnage is the gross tonnage less certain deductible spaces. N b. Net tonnage is tonnage of cargo compared to tonnage of whole ship. N c. Net tonnage is gross tonnage minus engine and bunker spaces. N d. Net tonnage is the net weight of the ship. 277: Allied Naval Control of Shipping (NCS) has been established. Which statement is TRUE?
N a. The Naval Control of Shipping Organization of each nation will serve their own ships only. N b. Allied ships, which are at sea when an emergency is declared, will all be controlled by a central authority. N c. The conduct of US-flag ships in an allied port will be controlled by US NCS authorities. Y d. After Naval Control of Shipping has been established, permission to sail must come from local naval authorities or consular officers. 296: You are on a course of 000°T and put the rudder right 30°. In which direction will the transfer be measured?
N a. 000°T Y b. 090°T N c. 180°T N d. 270°T 446: A twin-screw vessel can clear the inboard propeller and maneuver off a pier best by holding a(n) __________.
N a. forward spring line and going slow ahead on the inboard engine N b. after spring line and going slow astern on the outboard engine N c. forward spring line and going slow ahead on both engines Y d. forward spring line and going slow ahead on the outboard engine 504: Anchors are prevented from running out when secured by the __________.
N a. brake N b. devil's claw N c. pawls Y d. All of the above 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. 558: A heated bulkhead has the effect on a hygroscopic commodity of __________.
N a. causing moisture to accumulate against the bulkhead N b. lowering the vapor pressure of the commodity N c. lowering the dew point of the air Y d. raising the vapor pressure of the commodity 635: A report of casualty to a vessel must include __________.
Y a. the name of the owner or agent of the vessel N b. an evaluation of who was at fault N c. the amount of ballast on board N d. the estimated cost of damage 638: Ship's officers should check every cargo compartment after it is filled with bulk grain to ensure __________.
N a. all lighting circuits are energized Y b. all void spaces are filled N c. the correct grade of cargo has been loaded N d. the heavier grade is in the lower hold 671: A Permit to Proceed is issued by the __________.
N a. American Bureau of Shipping N b. National Cargo Bureau Y c. U.S. Coast Guard N d. U.S. Department of Labor 879: Centrifugal pumps have what advantage(s) over reciprocating pumps?
N a. They are less expensive. N b. They are smaller for equivalent pumping ability. N c. They pump more cargo in less time. Y d. All of the above 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 925: In illustration D044DG, the mooring line labeled "E" is called a(n) __________. (DO44DG )
N a. bow line N b. after spring line Y c. bow spring line N d. forward breast line 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 1012: In illustration D044DG, the mooring line labeled "A" is called a(n) __________. (DO44DG )
N a. after breast line N b. after spring line Y c. offshore stern line N d. inshore stern line 1044: Using a safety factor of 6, determine the safe working load of a line with a breaking strain of 30,000 pounds.
N a. 4,000 lbs. Y b. 5,000 lbs. N c. 20,000 lbs. N d. 100,000 lbs. 1103: What should you inspect to be sure that it is safe to go aloft in a bosun's chair?
N a. The gantline N b. The tail block N c. The chair and bridle Y d. All of the above 1154: Which line would be least likely to kink?
Y a. Braided N b. Left-handed laid N c. Right-handed laid N d. Straight laid 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 1220: Who certifies the safe working load of cargo cranes on a vessel?
N a. U.S. Coast Guard Y b. American Bureau of Shipping N c. Society of Naval Architects and Marine Engineers N d. National Cargo Bureau 1253: You are preparing to relieve the mate on watch while underway at sea. The watch should not be transferred __________.
N a. during an engine speed change N b. while the Master is on the bridge Y c. during a collision avoidance maneuver N d. All of the above 1324: The forecastle card is a(n) __________.
Y a. copy of the shipping agreement N b. quarters allocation N c. Muster List ("Station Bill") N d. unlicensed shipping card from the union 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 1348: Preparation of muster lists and signing of same is the responsibility of the __________.
N a. Chief Officer of the vessel N b. owner of the vessel Y c. Master of the vessel N d. United States Coast Guard 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 1520: A welded joint's effectiveness is considered __________.
N a. 48% N b. 90% Y c. 100% N d. 121% 1544: The main function of the core of a wire rope is to __________.
N a. give flexibility Y b. support the strands laid around it N c. allow some circulation around the strands N d. allow lubrication inside the rope 1589: Why is 6X19 class wire rope more commonly used for cargo runners than the more flexible 6X37 wire rope?
Y a. It resists abrasion better. N b. It is longer. N c. It hugs the winch drum better. N d. It is less expensive. 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 1976: Which letter indicates a longitudinal? (D033DG )
N a. C N b. E Y c. L N d. M 1982: You are using tackle number 8 to lift a weight of 100 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. 120 lbs. N b. 55 lbs. Y c. 40 lbs. N d. 37 lbs. 2009: A cargo of canned foodstuffs is packed in cartons. Each carton is 36 cubic feet and weighs 380 pounds. What is the stowage factor of the cargo?
N a. 9.5 N b. 62 Y c. 212 N d. 237 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 2029: When anchored, increasing the scope of the anchor chain normally serves to __________.
N a. prevent fouling of the anchor N b. decrease swing of the vessel Y c. prevent dragging of the anchor N d. reduce strain on the windlass 2237: Using the graph in illustration D008DG, if the dry bulb temperature is 76° and the wet bulb temperature is 59°, what is the relative humidity in a cargo hold? (D008DG )
Y a. 34% N b. 47% N c. 76% N d. 79% 2347: What is an advantage of having wire rope with a fiber core over that of a wire rope of the same size with a wire core?
N a. Fiber core rope offers greater strength. Y b. Fiber core rope offers greater flexibility. N c. Fiber core rope can be used at higher operating temperatures. N d. Fiber core rope is the only type authorized for cargo runners. 2556: The type of joint formed when a third small plate is riveted over two plates butted together is called a __________.
N a. butted joint N b. lap joint Y c. strap joint N d. stringer joint 2618: Due to the nature of a vessel's construction for a particular trade, it does not fully comply with the provisions of SOLAS. Where will this be indicated?
Y a. On the Exemption Certificate N b. On the reverse of the particular SOLAS certificate affected N c. On the face of the Certificate of Inspection N d. Nowhere; the vessel must comply to engage in international trade. 2748: The Lake Carriers Association and the Canadian Shipowners Association prescribe separation routes for upbound and downbound vessels on the Great Lakes. The recommended courses for these routes are shown on the Great Lakes Charts in the form of __________.
Y a. red or magenta figures over a segmented course line track N b. red figures over a solid course line track N c. black figures over a segmented course line track N d. green figures over a solid course line track 2804: Which publication is NOT carried on board U.S. merchant vessels operating under Naval Control of Shipping?
N a. Allied Control of Shipping Manual - Guide to Masters N b. Communications Supplement Y c. Tactical Control and Routing of Merchant Vessels N d. All of the above are carried on board 2949: A vessel which is being assisted by an icebreaker should indicate that he is ready to cast off the towline (if one is used) by __________.
Y a. displaying code letter "Y" (Yankee) N b. sounding five short blasts of his whistle N c. displaying code numeral "5" N d. sounding one prolonged blast of his whistle 3066: A list man would expect to see any of the following light signals EXCEPT __________.
N a. two red lights N b. one green light N c. one white light Y d. one amber light 3102: When hip towing, a line led from the stern of the towboat forward to the barge provides the towing pull when __________.
N a. going ahead N b. dead in the water N c. in a following current Y d. backing 3108: How should you signal the crane operator to raise the boom?
N a. Extend arm with the thumb pointing up and flex the fingers in and out. N b. Place both fists in front of the body with the thumbs pointing upward. N c. With forearm vertical and forefinger pointing up, move hand in small horizontal circles. Y d. Extend arm with fingers closed and point thumb upward. 3111: While the Pilot is maneuvering the vessel to a dock, what is the PRIMARY responsibility of the watch officer?
Y a. Insure that helm and throttle orders given by the Pilot are correctly executed. N b. Judge the appropriateness of the Pilot's orders and countermand them if necessary. N c. Supervise the signaling and flag etiquette. N d. Record the bells and their times in the bell book. 3122: When a tug is "in irons", she __________.
N a. is made fast to the dock with engines secured N b. is in dry dock Y c. may be in danger of being overrun by her tow N d. should pay out more towline 3126: Your tankship is carrying a cargo of styrene. Which of the following is NOT a requirement for carriage of this cargo?
Y a. P/V valves with galvanized parts must be replaced. N b. Authorization to carry styrene must be endorsed on the Certificate of Inspection. N c. You must have a "Certificate of Inhibition" provided by the shipper. N d. The cargo tank heating coils must be blanked off. 3208: 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)
N a. 72.42 numeral Y b. 78.98 numeral N c. 83.46 numeral N d. 91.48 numeral 3325: Flammable liquids should have what kind of label?
N a. Skull and crossbones N b. Yellow Y c. Red N d. White 3394: The crown of the anchor shown is indicated by which letter? (D038DG )
N a. K N b. J Y c. H N d. G 4124: Which variable factor affects the initial lashing requirements aboard Ro-Ro vessels?
N a. Vessel's draft Y b. Center of gravity of vehicle or cargo unit N c. Changes in humidity N d. Age of vehicle or cargo unit 4157: Which of the following element(s) should be taken into account in the preparation of the "Cargo Securing Manual"?
N a. Duration of the voyage N b. Types of cargo units and vehicles to be carried N c. Weight of cargo units and vehicles Y d. All of the above 4159: 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 3.5 Tons and 20 Tons, when carried on Ro-Ro vessels?
N a. One Y b. Two N c. Three N d. Four 4223: What does item "A" refer to in this illustration of a 30-ton pedestal crane? (D045DG )
N a. Boom luffing falls Y b. Cargo hoist falls N c. Remote block tagline system N d. Slewing cable 4261: Who should be notified prior to starting up a crane?
N a. The pumpman N b. The stevedore foreman Y c. The engine room N d. All the above