單項選擇題A helicopter making a round trip from a helideck with refueling capabilities to an unmanned platform will take 45 minutes each way. The helicopter should be carrying enough fuel to last（）.

A.45 minutes
B.1 hour and 15 minutes
C.1 hour and 30 minutes
D.2 hours


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1.單項選擇題A floating ship with an initial negative metacentric height（）.

A.will capsize
B.will incline further
C.may lie at an angle of loll
D.may be initially level

4.單項選擇題A breeches buoy is being rigged from the shore to a stranded vessel. The initial shot line passed to the vessel is normally made fast to a（）.

A.hawser which is used to pass a tail-block and whip to the vessel
B.hawser with breeches buoy and harness attached
C.hawser which should be made fast to the vessel below the intended location of the tail-block
D.tail-block and whip which may be used to pass a hawser to the vessel

5.單項選擇題You are proceeding to a distress site and expect large numbers of people in the water. Which statement is TRUE?（）

A.You should stop to windward of the survivors in the water and only use the ship's boats to recover the survivors
B.If the survivors are in inflatable rafts you should approach from windward to create a lee for the survivors
C.An inflatable liferaft secured alongside can be an effective boarding station for transfer of survivors from the boats
D.Survivors in the water should never be permitted alongside due to the possibility of injury from the vessel