A single-screw vessel going ahead tends to turn more rapidly to port because of propeller（）...

第1题

[单选题] When turning a ship in restricted space with a strong wind，it is normally best to（）.

A、Go ahead on both engines with the rudder hard to one side，if on a twin-screw vessel B、Back down with the rudder hard to one side，if on a single-screw vessel C、Take advantage of the tendency to back to port，if on a twin-screw vessel D、Turn so that the tendency to back into the wind can be used，if on a single-screw vessel

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第2题

[单选题] A twin-screw vessel is easier to maneuver than a single-screw vessel because the twin-screw vessel（）.

A、permits the rudder to move faster B、generates more power C、can turn without using her rudder D、can suck the water away from the rudder

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第3题

[单选题] While moving ahead，a twin-screw ship has an advantage over a single-screw ship because （）.

A、correct trim will be obtained more easily B、drag effect will be cancelled out C、side forces will be eliminated D、speed will be increased

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第4题

[单选题] The extension of the after part of the keel in a single-screw vessel upon which the stern post rests is called the（）.

A、boss B、knuckle C、skeg D、strut

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第5题

[单选题] The extension of the after part of the keel in a single-screw vessel upon which the stern post rests is called the（）.

A、boss B、knuckle C、skeg D、strut

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第6题

[单选题] 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? （）

A、If one screw is stopped，the ship will turn toward the side of the stopped screw B、The principal force which turns the ship is set up by the wake against the forward side of the rudder C、Turning response by use of the rudder only is greater than on a single-screw vessel D、With the rudder amidships，the ship will steer a fairly steady course

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第7题

[单选题] 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?（）.

A、If one screw is stopped，the ship will turn toward the side of the stopped screw B、The principal force which turns the ship is set up by the wake against the forward side of the rudder C、Turning response by use of the rudder only is greater than on a single-screw vessel D、With the rudder amidships，the ship will steer a fairly steady course

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第8题

[单选题] It is easier to dock a right-hand，single-screw vessel（）.

A、starboard side to the wharf B、either side to the wharf C、port side to the wharf D、stern to the wharf

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第9题

[单选题] In order to back a right-handed，single-screw vessel in a straight line，you will probably need to use（）.

A、very little rudder B、some left rudder C、some right rudder D、full left rudder

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A single-screw vessel going ahead tends to turn more rapidly to port because of propeller（）.

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