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.
66: Most of your vessel's superstructure is forward. How will the vessel lie when drifting with no way on?
N a. With the wind from ahead N b. With the wind off the port beam N c. With the wind off the starboard beam Y d. With the wind from abaft the beam 73: Aboard ship, vertical flat plates running transversely and connecting the vertical keel to the margin plates are called __________.
Y a. floors N b. intercostals N c. girders N d. stringers 170: Which is NOT required on a tankship carrying hazardous liquid cargoes in bulk?
N a. A copy of 46 CFR parts 35 and 150 Y b. Certificate of Adequacy for the hazardous cargoes carried N c. Certificate of Inspection issued under the Tank Vessel Regulations N d. Cargo piping plan showing loading rates for all applicable cargo lines 191: An alien crewmember with a D-1 permit leaves the vessel in a U.S. port and fails to return. The first report you make should be to the __________.
N a. Customs Service Y b. Immigration Service N c. local police N d. OCMI 336: When a vessel with a single right-hand propeller backs to port the __________.
Y a. bow falls off to starboard N b. vessel moves to port without changing heading N c. bow swings to port N d. vessel moves to starboard without changing heading 354: A "stopper" is __________.
Y a. a short length of line used for temporarily holding another line N b. a snatch block for handling a topping lift N c. an engine order telegraph N d. the brake on a cargo winch 360: The label required on containers carrying barium oxide in an international shipment must read __________.
Y a. "Poison" N b. "Spontaneously Combustible" N c. "Radioactive" N d. "Infectious Substance" 482: A lot of special cargo of similar cartons is to be loaded aboard your vessel. You examine one of the cartons of the lot shown. What is the total cubic space the consignment will occupy? (Assume no broken stowage.) (D042DG )
N a. 51 cubic feet (1.5 cubic meters) Y b. 58 cubic feet (1.7 cubic meters) N c. 336 cubic feet (10 cubic meters) N d. 700 cubic feet (21 cubic meters) 533: A towing hook may be released from the __________.
N a. tug's engineroom or the bow Y b. pilot house or aft steering station N c. forecastle N d. towing bitts by reaching over and releasing a lever 572: A vessel is entering port "A" for the first time and has a Pilot conning the vessel. The Master is unsure that the Pilot is taking sufficient action to prevent a collision. What should the Master do?
N a. Nothing; The Pilot is required by law and is solely responsible for the safety of the vessel. N b. State his concerns to the Pilot but do not interfere with the handling of the vessel. N c. Direct the Pilot to stop the vessel and anchor if necessary until the situation clears. Y d. Recommend an alternative action and if not followed relieve the Pilot. 732: Which action should be taken FIRST if your tow is sinking in shallow water?
Y a. Pay out the towline until the sunken tow reaches bottom. N b. Sever the towline. N c. Immediately head for the nearest shoreline. N d. Contact the Coast Guard. 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. 987: What does the helm command "shift the rudder" mean?
N a. Stop the swing of the ship. N b. Shift the rudder control to the alternate steering method. N c. Put the rudder amidships and hold the heading steady as she goes. Y d. Put the rudder over to the opposite side, the same number of degrees it is now. 1080: The "inner bottom" is the __________.
Y a. tank top N b. compartment between the tank top and shell of the vessel N c. inner side of the vessel's shell N d. space between two transverse bottom frames 1090: A chock __________.
N a. is a deck fitting used to shackle gear to the deck N b. permits easy jettisoning of deck cargo in an emergency N c. prevents stress concentration in the bulwark Y d. provides openings through the bulwark for mooring lines 1132: A lookout can leave his station __________.
N a. at the end of the watch N b. at any time Y c. ONLY when properly relieved N d. 15 minutes before the end of the watch 1167: A vessel will "squat" when it proceeds underway __________.
N a. only in deep water N b. only in shallow water Y c. in all depths of water N d. only in narrow channels 1190: A normal safe working load for used nylon rope in good conditon is __________.
N a. 10% of its breaking strain Y b. 25% of its breaking strain N c. 33% of its breaking strain N d. 50% of its breaking strain 1223: The organization that certifies the safe working load of cargo cranes on a vessel is the __________.
Y a. classification society N b. National Cargo Bureau N c. U.S. Coast Guard N d. none of the above 1246: When a tug is pulling on a hawser at right angles to the ship, and the pilot wants to come ahead or astern on the ship's engine, care must be taken that the pilot __________.
N a. does not break the towline Y b. does not get too much way on the vessel N c. keeps a steady course so the towline will remain tight N d. turns the ship toward the direction of pull 1285: Which information MUST be entered on the muster list?
N a. Names of all crew members N b. Use and application of special equipment N c. Listing of approved emergency equipment Y d. Duties and station of each person during emergencies 1436: How many feet are there in 2 shots of anchor chain?
N a. 50 N b. 60 Y c. 180 N d. 360 1548: What could be used as fairleads on a towed vessel?
N a. Chocks N b. Double bitts N c. Roller chocks Y d. All of the above 1577: You are the Chief Mate of a 30,000-DWT tankship. The vessel is engaged in trade with another country signatory to MARPOL 73/78. Which statement is TRUE?
N a. The Certificate of Inspection serves as prima facie evidence of complying with MARPOL 73/78. Y b. The IOPP Certificate for an inspected vessel is valid for 5 years. N c. An IOPP Certificate is invalidated if the ship carries cargoes outside the classes authorized thereon. N d. An IOPP Certificate is renewed at each inspection for certification. 1588: You are aboard a single-screw vessel (right-hand propeller) going full ahead with good headway. The engine is put astern and the rudder is placed hard left. The stern of the vessel will swing to __________.
Y a. starboard until headway is lost and then to port N b. port N c. port until headway is lost and then may possibly swing to starboard N d. port slowly at first and then quickly to port 1642: Which illustration represents a carrick bend? (DO30DG )
N a. H N b. J N c. L Y d. M 1666: While anchoring your vessel, the best time to let go the anchor is when the vessel is __________.
N a. dead in the water Y b. moving slowly astern over the ground N c. moving fast ahead over the ground N d. moving fast astern over the ground 1696: Mooring with two bow anchors has which major advantage over anchoring with one bow anchor?
N a. The vessel will not reverse direction in a tidal current. Y b. The radius of the vessel's swing will be shortened. N c. A mooring approach may be made from any direction. N d. The vessel will not swing with a change in wind. 1699: In which casualty case is it UNNECESSARY to notify the local Coast Guard Marine Safety Office?
N a. Your vessel is backing from a dock and runs aground, but is pulled off by tugs in 30 minutes. Y b. Your vessel strikes a pier and does $1,500 damage to the pier but no damage to the vessel. N c. A nylon mooring line parts while the vessel is tied up and kills a harbor worker who was on the pier. N d. A seaman is injured and in the hospital for four days. 1767: What is the name of the mark indicated by the letter E? (DO03DG )
N a. Fresh water line N b. Winter water line N c. Tropical water line Y d. Summer water line 1859: You are attempting to take a dead ship in tow. All lines have been passed and secured. How should you get underway?
N a. Order minimum turns until the towing hawser is just clear of the water, then reduce speed to that necessary to keep the line clear of the water. N b. If the towline is properly adjusted and weighted you can order slow or dead slow and the towline will act as a spring to absorb the initial shock. N c. Order minimum turns until the towing hawser is taut and then continue at that speed until towing speed is attained. Y d. Order minimum turns until the catenary almost breaks the water, then stop. Order more turns as the hawser slackens but keep the catenary in the water. 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 2000: The vessel has broken down and you are going to take her in tow. The wind is on her starboard beam. Both vessels are making the same amount of leeway. Where should you position your vessel when you start running lines? (D025DG )
N a. A N b. B Y c. C N d. D 2199: What is the name of tackle number 2? (DO29DG )
N a. Whip N b. Onefold purchase N c. Single purchase Y d. Gun tackle 2229: You are using tackle number 5 to lift a weight. The hauling part of this tackle is bent to the weight hook of tackle number 9. What is the mechanical advantage of this rig? (DO29DG )
Y a. 20 N b. 9 N c. 5 N d. 4 2260: Cargo that gives off fumes that may contaminate other cargo is known as a(n) __________.
N a. delicate cargo N b. dirty cargo N c. toxic cargo Y d. odorous cargo 2336: The maneuver which will return your vessel in the shortest time to a person who has fallen overboard is __________.
N a. engine(s) crash astern, no turn N b. two 180°Turns N c. a Williamson Turn Y d. a single turn with hard rudder 2469: While cranking out a quadrantal davit, slippage of the quadrant due to excessive wear or failure of the teeth in the quadrant will cause the __________.
Y a. davit arm to pivot on the traveling nut and the head to fall outboard N b. traveling nut to lock up in place on the worm gear N c. limit switch to engage and hold the traveling nut in position N d. winch brake to lock in position and prevent lowering the boat 2484: The type of joint formed when an edge of one plate is laid over the edge of the plate to which it is riveted is a __________.
N a. grip joint N b. strap joint N c. thread joint Y d. lap joint 2491: Before being certified by the American Bureau of Shipping, anchor chain must undergo __________.
N a. USCG inspection Y b. a breaking test N c. x-ray inspection N d. spectroanalysis 2574: You are proceeding down a channel and lose the engine(s). You must use the anchors to stop the ship. Which statement is true?
N a. Pay out all of the cable before setting up on the brake to insure the anchors dig in and hold. N b. For a mud, mud and clay, or sandy bottom pay out a scope of 5 to 7 times the depth before setting up on the brake. Y c. Use one or both anchors with a scope of twice the depth before setting the brake. N d. Drop the anchor to short stay and hold that scope. 2581: How does the effect known as "bank suction" act on a single-screw vessel proceeding along a narrow channel?
Y a. It pulls the stern toward the bank. N b. It heels the vessel toward the bank. N c. It pushes the entire vessel away from the bank. N d. It pulls the bow toward the bank. 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 2696: You are on a power-driven vessel proceeding down a channel, with the current, on a river on the Great Lakes System. If you meet another power-driven vessel who is upbound, your responsibilities include __________.
N a. backing down to get out of the way of the other vessel N b. waiting for the other vessel to signal her intentions, and then answering promptly Y c. proposing a safe way to pass N d. All of the above 2714: The major components which determine the length of catenary in a deployed anchor cable are cable tension, cable weight, and __________.
N a. water density N b. bottom conditions N c. environmental forces Y d. water depth 2746: Which of the Great Lakes experiences the least amount of water level fluctuation between seasonal high and low water marks?
N a. Lake Huron N b. Lake Erie Y c. Lake Superior N d. Lake Michigan 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 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 3138: When pushing ahead, wires leading from the quarters of the after outboard barges to the bow of a towboat __________.
N a. prevent the towboat from sliding when the rudder is moved Y b. prevent the barges from spreading out when backing down N c. hold the towboat securely to the barges N d. prevent the sidewise movement of the face barges 3204: What term indicates the immersed body of the vessel forward of the parallel mid-body?
N a. Run N b. Flare Y c. Entrance N d. Sheer 3472: You are the Master of a 500 gross ton passenger vessel operating on rivers. Your vessel accidentally runs aground. Under the regulations for passenger vessels, you must notify the __________.
Y a. nearest Coast Guard Marine Safety or Marine Inspection Office as soon as possible N b. Coast Guard only if the grounding results in damage to property in excess of $(SA)25,000 N c. Coast Guard only if the grounding results in a loss of life N d. Coast Guard only if the grounding results in injury to personnel 3542: The Certificate of Inspection on a passenger vessel of over 100 gross tons must be posted __________.
N a. in the Master's office N b. on the bridge Y c. in a conspicuous place where observation by the passengers is likely N d. in the passengers' dining room or, where there is no dining room, in the lounge area 3556: The choice of length of tow bridle legs is governed by the __________.
N a. expected towing forces N b. capability of retrieving gear N c. freeboard of the unit being towed Y d. need to reduce yaw 3654: Horizontal transverse motion of a vessel is known as __________.
N a. pitch N b. surge Y c. sway N d. heave 3820: When making a Scharnow turn, the __________.
N a. rudder must be put over towards the side the man went over N b. initial turn direction is away from the side the man went over Y c. rudder is put hard over and the initial turn is maintained until about 240° from the original course N d. man overboard must be not more than 300 feet astern when starting the turn 4007: You are the operator of a towing vessel which collides with a buoy and drags it off station. What should you do if the damage to your vessel is not serious?
Y a. Immediately notify the nearest Coast Guard Marine Safety or Inspection Office and no further action is necessary. N b. If the buoy is afloat, no action is necessary. N c. Wait one week and submit form CG-2692 to the nearest Coast Guard Marine Safety or Inspection Office. N d. Immediately notify the nearest Coast Guard Marine Safety or Inspection Office and then submit form CG-2692. 4022: Your vessel is being assisted through an ice field in Thunder Bay by the Canadian Coast Guard icebreaker Alexander Henry. The starboard lookout reports that the icebreaker has run up the code flag "N" (November). What action should you take?
N a. Reduce speed Y b. Stop your engines N c. Reverse your engines N d. Stop your vessel instantly 4092: To reconnect a broken tow line, it is better to use a polypropylene messenger line because it __________.
N a. has great strength N b. is very supple Y c. floats N d. absorbs shock by stretching 4256: Which of the following statement(s) is/are FALSE regarding a twin pedestal crane set?
N a. The cranes may be operated independently. N b. The cranes may be interconnected for twin operation. Y c. The cranes are powered by independent internal combustion power units. N d. All of the above 4875: The crane manufacturer's operating tables are posted near the __________.
N a. crane pedestal N b. wire-rope locker N c. main deck Y d. crane controls