單項選擇題In a Williamson turn，the rudder is put over full until the（）.

A.vessel has turned 90°From her original course
B.vessel has turned 60°From her original course
C.vessel is on a reciprocal course
D.emergency turn signal sounds


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1.單項選擇題If you see someone fall overboard from a ship，you should（）.

A.immediately jump in the water to help the individual
B.call for help and keep the individual in sight
C.run to the radio room to send an emergency message
D.go to the control room for the distress flares

2.單項選擇題If an emergency pump control is used as the emergency shutdown on a tank vessel，it must（）.

A.stop the flow of oil at the main deck manifold
B.prevent the oil from leaving the shore facility
C.prevent the oil from siphoning through the pump
D.None of the above

3.單項選擇題How should you signal the crane operator to stop in an emergency?（）

A.Extend arm with the palm down and hold this position rigidly
B.Place clasped hands in front of your body
C.Extend arm and move hand rapidly right and left with the palm down
D.Place both fists in front of the body with the thumbs pointing outward

4.單項選擇題Fire protection regulations for towing vessels require that drills be conducted on board the vessel as if there were an actual emergency. Drills include all of the following，EXCEPT（）.

A.testing all alarm and detection systems
B.breaking out and using the vessel's emergency equipment
C.participation by selected crew members
D.one person putting on protective clothing，if the vessel is so equipped