單項選擇題

On a single-screw vessel the stern frame（）.

A.furnishes support to the rudder，propeller shaft，and transom frame
B.provides foundations for after mooring winches
C.provides foundations for the main propulsion engines
D.transfers the driving force of the propeller to the hull

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單項選擇題

In selecting a tug for moving a vessel，consideration should be given to its（）.

A.indicated horsepower，bollard pull，and displacement
B.indicated horsepower，maneuverability，and displacement
C.indicated horsepower，bollard pull，and maneuverability
D.bollard pull，displacement，and maneuverability

單項選擇題

In order to reduce your wake in a narrow channel you should（）.

A.apply enough rudder to counter the effect of the current
B.change your course to a zigzag course
C.reduce your speed
D.shift the weight to the stern

On a single-screw vessel the stern frame（）.

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In selecting a tug for moving a vessel，consideration should be given to its（）.

In order to reduce your wake in a narrow channel you should（）.

In selecting a tug for moving a vessel，consideration should be given to its（）.