单项选择题
A.Open equipment pack B.Post a lookout C.Issue anti-seasickness medicine D.Pick up other survivors
What is NOT a function of the air supply of a covered l...
单项选择题What is NOT a function of the air supply of a covered lifeboat?（）
A.Provides air for engine combustion B.Pressurizes water spray system C.Provides air for passenger respiration D.Prevents smoke and other noxious fumes from entering craft
Under normal conditions a liferaft is released from its...
单项选择题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
Two individuals authorized to serve as a lifeboatman mu...
单项选择题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
