單項(xiàng)選擇題

Under normal conditions a liferaft is released from itscradle by（）.

A.cutting the restraining strap
B.unscrewing the turnbuckle on the back of the cradle
C.lifting one end of the raft
D.pushing the plunger on the center of the hydrostatic release

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單項(xiàng)選擇題

Two individuals authorized to serve as a lifeboatman must be assigned to any lifeboat that has a capacity of more than（）.

A.10 persons
B.20 persons
C.30 persons
D.40 persons

單項(xiàng)選擇題

The water pockets located on the underside of inflatable liferafts（）.

A.stow rainwater; these 4 spaces do not take up valuable space
B.act as stabilizers by filling with sea water as soon as the raft is inflated and upright
C.hold the freshwater required by regulation to be provided in the raft when packed
D.None of the above