單項選擇題The most important thing to remember when launching an inflatable liferaft by hand is to（）.

A.open the CO2 inflation valve
B.open the raft container
C.ensure that the operating cord is secured to the vessel
D.inflate the raft on the vessel，then lower it over the side


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1.單項選擇題The most important reason for taking anti-seasickness pills as soon as possible after entering a liferaft is to（）.

A.assist in sleeping
B.reduce appetite by decreasing nausea
C.prevent loss of body moisture by vomiting
D.prevent impaired judgement due to motion-induced deliriousness

2.單項選擇題The limit switches on a ships survival-craft winch system（）.

A.stop the winch just before the craft reaches the final stowage position
B.limit the amount of cable on the drum
C.limit the ascent rate
D.stop the winch in case the craft weighs too much

3.單項選擇題The lights on the outside of the canopy on an inflatable liferaft operate（）.

A.by turning the globe clockwise
B.by a switch at each light
C.by a light sensor
D.automatically when the raft is inflated

4.單項選擇題The inside light in an inflatable liferaft is turned on（）.

A.automatically as the liferaft inflates
B.with a switch near the boarding handle
C.at night because the light has a photosensitive switch
D.by screwing the bulb in after the raft is inflated

5.單項選擇題The hydrostatic release on the inflatable liferafts on a fishing vessel must be（）.

A.replaced annually
B.tested monthly
C.serviced annually
D.overhauled quarterly