單項(xiàng)選擇題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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1.單項(xiàng)選擇題A single-screw vessel going ahead tends to turn more rapidly to port because of propeller（）.

A.discharge current
B.suction current
C.sidewise force
D.thrust

2.單項(xiàng)選擇題A record of the types and strengths of steels used on a ship must be included in the（）.

A.general plans
B.builder's documentation
C.Certificate of Inspection
D.construction portfolio