A twin-screw vessel with a single rudder is making headway. The engines are full speed ahead. There is no wind or current. Which statement is FALSE? （）

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• Which statement is true concerning a vessel equipped with operational radar?（）.

  A . The Master of the vessel must be on the bridge when the radar is in use B . The radar equipment is only required to be used in restricted visibility C . The use of a radar excuses a vessel from the need of a look-out D . This equipment must be used to obtain early warning of risk of collisio

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• Vessels ramaining（）a few hours should moor with anchors.

  A . much than B . more than C . many than D . lot tha

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• During the day，a vessel with a tow over 200 meters in length will show（）.

  A . a black ball B . a diamond shape C . two cones，apexes together D . one cone，apex upward

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• A vessel with a large GM will（）.

  A . have more resistance to listing in case of damage B . have less tendency to have synchronous rolling C . be less likely to have cargo shift D . ride more comfortably

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• A vessel has sustained damage in a collision with another vessel. It is necessary to have a Seaworthy Certificate before the vessel sails. Who will issue this certificate?（）

  A . American Consul B . Classification Society C . Captain of the Port D . Officer in Charge，Marine Inspectio

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• On a twin-screw，twin-rudder vessel，the most effective way to turn in your own water，with no way on，is to put（）.

  A . one engine ahead and one engine astern，with full rudder B . one engine ahead and one engine astern，with rudders amidships C . both engines ahead，with full rudder D . both engines astern，with full rudder

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• A schooner is a fore-and-aft rigged vessel with（）.

  A . a single mast B . two masts: with the mizzen stepped abaft the rudder post C . two masts: with the mizzen stepped forward of the rudder post D . at least two masts: a foremast and a mainmast

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• Wale shores would be used when drydocking a vessel with（）.

  A . tumble home B . excessive deadrise C . excessive trim D . a list

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• A documented vessel operating over 50 miles offshore must carry an inflatable liferaft with a （）.

  A . SOLAS A pack B . SOLAS B pack C . coastal pack D . small vessel pack

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• Freeing ports on a vessel with soild bulwards（）.

  A . prevent stress concentration in the bulwark B . permit easy jettison of deck cargo in an emergency C . provide opening through the bulwarks for mooring lines D . allow water shipped on deck to flow off rapidly

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• A vessel constrained by her draught shall，when risk of collision with another vessel in a crossing or head-on situation exists，（）.

  A . apply the relevant Steering and Sailing Rules as a power-driven vessel B . apply the relevant Steering and Sailing Rules as a Sailing vessel C . apply the relevant Steering and Sailing Rules as a vessel not under command D . apply the relevant Steering and Sailing Rules as a vessel engaged in a towing operatio

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• A vessel fitted with twin screws is easier in（）than a vessel with single screw.

  A . turning maneuver B . course setting C . position fixing D . regulating speed

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• A vessel is constructed with a steel hull and an aluminum superstructure. Which statement is TRUE?（）

  A . The aluminum will provide greater resistance to the spread of fire by conduction B . The aluminum structure is usually attached to a steel coaming by a method that insulates the two metals C . If the superstructure is stressed，an aluminum structure requires additional expansion joints to prevent fracture D . The steel at the area of the aluminum-to-steel connection must be closely checked for galvanic corrosio

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• A vessel moored with two anchors,sometimes, at an exposed roadstead to（）.

  A . aid turing the ship B . obtain a fine bearing C . increase ship swing to wind or tide D . lighten the stress of anchor chai

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• A vessel with a small GM will（）.

  A . be more subject to synchronous rolling B . have a short rolling period C . procide an uncomfordtable ride for personnel D . have a smaller amplitude of roll in heavy weather

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• SOLAS vessels should be able to communicate with a shore station（）.

  A . no matter where they are and what time it is B . at scheduled time and in major ocean regions C . at fixed time and position D . when they get permissio

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• A vessel moored with two anchors，sometimes，at an exposed roadstead to（）.

  A . aid turning the ship B . obtain a fine bearing C . increase ship swings to wind or tide D . lighten the stress of anchor chai

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• A large vessel is equipped with a controllable pitch propeller. Which statement is TRUE?（）.

  A . When dead in the water，it is often difficult to find the neutral position and slight headway or sternway may result B . When going directly from full ahead to full astern，there is complete steering control C . When the vessel has headway and the propeller is in neutral，there is no effect on rudder control D . When maneuvering in port，full ahead or astern power can usually be obtained without changing shaft RPM

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• For a vessel with longitudinal inclination, an increase in GML cause（）.

  A . list to stabilize at an angle of loll B . trim to stabilize at an angle of loll C . trim to increase D . trim to decrease

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• When a vessel navigates in an area with a small underkeel clearance but with adequate space to take avoiding action she（）.

  A . should not be regarded as a vessel constrained by her draught B . should be regarded as a vessel constrained by her draught C . shall be regarded as a vessel restricted in her ability to maneuver D . should be regarded as a non-displacement vessel

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• A liner is a vessel with regular sailing or arrivals on a stated schedule between specified ports.

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• 85. A vessel with a small GM will ________.

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• You are on a single-screw vessel with a right-handed propeller.The vessel is going full speed astern with full right rudder.The bow will swing ______.

  A.Quickly to port，then more slowly to port B.Probably to port C.Slowly to port，then quickly to starboard D.Probably to starboard

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