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. 110: What is NOT required as special safety equipment on a tankship carrying hazardous cargoes in bulk?
N a. Shower and eyewash fountain N b. Equipment to lift an injured person from a pumproom Y c. Two portable vapor detectors suitable for the cargoes carried N d. A safety locker adjacent to the emergency shutdown station 112: You start a centrifugal cargo pump to discharge cargo. The pump works for a while and then loses suction. This could NOT be caused by __________.
N a. leaking shaft seals N b. air pockets in the liquid Y c. high cargo level in the tanks N d. a leaking suction line 122: You may be able to avoid loss of suction in a pump by __________.
N a. using a full tank to keep the pump primed N b. opening the vent cock on the pump N c. closing down on the tank valve Y d. All of the above 181: Your vessel is on an extended foreign voyage. Several vacancies have occurred in your unlicensed crew through sickness and repatriation. Which statement is correct?
N a. Aliens may be employed except that all U.S. flag vessels must maintain no less than 90% U.S. citizens in the crew. Y b. Qualified aliens may be employed to fill the vacancies. N c. Seamen to fill vacancies must be flown from U.S. to join the vessel in the foreign port. N d. Vacancies can only be filled by U.S. citizens with valid Merchant Mariner's Documents. 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 364: A long ton is __________.
N a. 1,000 pounds N b. 2,000 pounds Y c. 2,240 pounds N d. 2,400 pounds 391: A tonnage tax is levied according to the __________.
N a. deadweight cargo tonnage aboard N b. displacement tonnage of vessel N c. gross tonnage of vessel Y d. net tonnage of vessel 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 471: The official identification of a vessel is found in the __________.
N a. Certificate of Inspection N b. Classification Certificate N c. Load Line Certificate Y d. Certificate of Documentation 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. 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. 637: A tow bridle is attached to the main tow hawser at the __________.
N a. bight ring N b. tow hook Y c. fishplate N d. swivel 685: Which type of ballast is most commonly used in barges and ships?
Y a. Water N b. Oil N c. Concrete and barite N d. Sand, rock and gravel 708: The National Cargo Bureau represents the __________.
N a. agent N b. operator N c. shipper Y d. All of the above 715: The term "overriding" or "overrunning" when applied to towing, implies that __________.
N a. there is more crew on board than required Y b. the tow has overtaken its tug N c. the towing hawser comes out of the water N d. the Norman pins are not effective 795: Who certifies the safe working load of cargo booms 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. The Ship's Master 834: A whipping on a fiber line __________.
Y a. keeps the ends from fraying N b. strengthens it N c. protects your hands N d. becomes part of a splice 868: You are going to load bales of wool having a stowage factor of 100 in #3 lower hold which has a bale cubic of 72,000. How many tons of the wool can be stowed in the compartment, assuming 10% broken stowage?
N a. 493 N b. 577 N c. 602 Y d. 648 930: Which of the signals listed is required to be displayed at night while bunkering at a dock?
Y a. One red light N b. Two red lights N c. One red light over a yellow light N d. One red light over a white light 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. 1054: Which mooring line has the least elasticity?
Y a. Dacron N b. Nylon N c. Esterlene N d. Polypropylene 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 1319: In relation to cargo gear, what does "SWL" mean?
Y a. Safe working load N b. Ship's working lift N c. Starboard wing lift N d. Stress, weight, load 1538: Your vessel is being towed and you are using a tripping rope. A tripping rope of fiber or wire is used to __________.
N a. give added strength to the main tow hawser N b. retrieve the main tow hawser Y c. retrieve the outboard legs of the bridle where they are connected to the fishplate N d. open the pelican hook at the fishplate 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. 1746: Which would you NOT use to report the amount of anchor chain out? "Three shots __________."
N a. at the water's edge N b. on deck Y c. on the bottom N d. well in the water 1752: Your containership has a container displaying a hazardous cargo placard. The placard has the number 2199 on it. This indicates that it is carrying what cargo?
N a. Furan Y b. Phosphine N c. Adiponitrile N d. Xylenol 1762: What is the perimeter of a circle with a radius of 2.5 feet?
N a. 7.86 ft Y b. 15.71 ft N c. 19.63 ft N d. 22.71 ft 1870: The knot lettered S is a __________. (DO30DG )
N a. bowline Y b. blackwall hitch N c. half hitch N d. hook hitch 1963: What should you do to a line to prevent fraying where it passes over the side of the vessel?
N a. Worm that part of the line. N b. Splice that part of the line. Y c. Cover it with chafing gear. N d. Install a cleat. 2056: A seaman may not make an allotment to his __________.
N a. minor children N b. grandparents N c. brother Y d. mother-in-law 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 2081: A seaman is reported missing in the morning and was last seen after coming off the mid-watch. Which type of turn would you use to return to the track-line steamed during the night?
Y a. Williamson N b. Racetrack N c. 180° turn N d. Anderson 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 2205: On the fully containerized ship, approximately one-third or more of the cargo is on deck above the rolling center. Top stowed containers are subject to __________.
Y a. accelerations greater than on conventional vessels N b. accelerations less than on conventional vessels N c. accelerations the same as on conventional vessels N d. no accelerations 2271: You are signing on a crew. You can determine the minimum number and qualifications of the crew that you are required to carry by consulting which document?
N a. Crew list Y b. Certificate of Inspection N c. Articles of Agreement N d. fo'c'sle card 2287: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated IMMEDIATE will be delivered within __________.
Y a. 30 minutes to 1 hour N b. 1 to 6 hours N c. 3 hours to start of business the following day N d. 10 minutes if possible 2365: A six-strand composite rope made up of alternate fiber and wire strands around a fiber core is called __________.
Y a. spring lay N b. lang lay N c. cable lay N d. alternate lay 2597: On a small boat, if someone fell overboard and you did not know over which side the person fell, you should __________.
N a. immediately reverse the engines Y b. stop the propellers from turning and throw a ring buoy over the side N c. increase speed to full to get the vessel away from the person N d. first put the rudder hard over in either direction 2676: Who cannot commit the crime of barratry?
N a. Master N b. Ship's officer(s) N c. Ship's unlicensed crewmember(s) Y d. Ship owner 2718: On Great Lakes vessels, midsummer load lines apply __________.
N a. April 16 through April 30 and September 16 through September 30 Y b. May 1 through September 15 N c. July 16 through August 30 N d. June 16 through September 16 2791: What is the period of validity of a Cargo Ship Safety Equipment Certificate?
N a. 72 months Y b. 60 months N c. 48 months N d. 42 months 2822: Which statement about stopping a vessel is TRUE?
N a. A lightly laden vessel requires as much stopping distance as a fully laden vessel when the current is from astern. N b. A vessel is dead in the water when the back wash from astern operation reaches the bow. N c. A tunnel bow thruster can be used in an emergency to reduce the stopping distance. Y d. When a vessel is dead in the water any speed displayed by Doppler log reflects the current. 2844: Naval authorities would NOT give orders about which of the following, when the vessel is under control of the Naval Control of Shipping Organization?
N a. Visual communication at sea N b. Rescue operations N c. Diversions Y d. Schedules for loading cargo 2906: You are planning to anchor in an area where several anchors have been lost due to fouling. As a precaution, you should __________.
N a. anchor using both anchors N b. anchor with scope of 8 or more to 1 N c. use a stern anchor Y d. fit a crown strap and work wire to the anchor 3056: Advection fog holds longest over which portions of the lakes?
Y a. Northwest N b. Southeast N c. Northeast N d. Southwest 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. 3211: With the buttress securing system, containers of different heights must be stowed __________.
N a. on the bottom tier on deck N b. in the hold N c. next to the buttress tower Y d. on the top tier 3232: The signal man assisting the crane operator has his arm extended with the palm down and holds this position rigidly. This is the signal to __________.
N a. hoist N b. swing Y c. stop N d. lower 3434: The Scharnow turn should be used in a man overboard situation only when __________.
N a. the man can be kept in sight from the bridge while maneuvering N b. the turn is started immediately when the man goes over Y c. there has been sufficient time elapsed since the man went over to complete the maneuver N d. the vessel has twin screws to assist in making the turn 3450: Kort nozzles are installed around the propellers of some vessels to __________.
Y a. increase the thrust of the propeller N b. protect the propeller from striking sawyers N c. prevent the propeller from striking barges towed on the hip N d. prevent the propeller from touching bottom in low water 3466: What is a spill pipe?
N a. A drainage pipe that carries rain or spray from an upper deck to a lower deck Y b. A pipe under the anchor windlass leading to the chain locker N c. A chute, usually over the stern, to lead dumped garbage clear of the hull N d. An opening in the deck leading outside the hull 3476: The strongest method of forming an eye in wire rope is using __________.
N a. three wire rope clamps N b. an eye splice with four or five tucks N c. a thimble fastened with four or five tucks Y d. a wire rope socket attached with zinc 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 4028: Which statement about the carriage of coal is true?
N a. Most problems with spontaneous combustion will occur within 72 hours of loading and after that the risk decreases. N b. Wet coal is more liable to spontaneous heating than dry coal. N c. Coal absorbs nitrogen from the air which reacts with methane and causes spontaneous heating. Y d. Freshly worked coal is more dangerous than weathered coal. 4139: A disadvantage of using chain lashing on heavy vehicles aboard Ro-Ro vessels is that __________.
N a. it is easily damaged N b. it is affected by temperature Y c. the links lose strength if placed over corners N d. it has high initial cost 4180: Which of the following actions are stated in the correct order prior to loading or discharging cargo on a Ro-Ro vessel?
N a. Raise/open stern door, lower the stern ramp, turn on ventilation for cargo holds Y b. Lower the stern ramp, raise/open stern door, turn on ventilation for cargo holds N c. Turn on ventilation for cargo holds, lower the stern ramp, raise/open stern door N d. Turn on ventilation for cargo holds, raise/open stern door, lower the stern ramp 4183: Which of the following lashing gear used aboard Ro-Ro vessels should be maintained when not in use?
N a. Chain N b. Wire rope N c. Webbing Y d. All of the above 4267: Which statement is TRUE concerning the tandem working arrangement of pedestal cranes when completing a quad lift?
Y a. The discharge is slow due to the size of the cargo and all the cranes working together. N b. The cargo discharge can be accomplished with controlled pendulation. N c. The cargo discharge can be performed in port or at anchor. N d. The cranes enable the handling of heavy cargos without shoreside assistance.