單項選擇題

Which of the followings does not belong to main maneuvering facilities?（）

A.rudder
B.propeller
C.radar
D.sider thruster

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單項選擇題

There shall be（）into sleeping rooms from cargo and machinery spaces or from galleys,storerooms,drying rooms or communal sanitary areas.

A.no direct openings
B.direct openings
C.no more than one direct opening
D.up to one direct opening

單項選擇題

A power-driven vessel shall have her engine ready for（）when the visibility is restricted.

A.immediate stopping
B.immediate maneuvering
C.immediate anchoring
D.immediate going astern