单项选择题

An “on-load” release system on a survival craft means the cable can be released（）.

A.only when the load is taken off the cable
B.only when there is a load on the cable
C.only when activated by the controls at the lowering station
D.at any time

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单项选择题

An “atoll cloud” forming over an island due to heating of the land during the daytime would be which type? （）

A.Cirrus
B.Cumulus
C.Stratus
D.Nimbus

单项选择题

An “ABC” dry chemical fire extinguisher would be LEAST effective against a fire in（）.

A.a mattress
B.spilled liquids such as oil or paint
C.high voltage electrical gear
D.a trash can

单项选择题

AMVER is a system which provides（）.

A.satellite communications
B.navigational information
C.weather information
D.position reporting service