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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A.Cirrus
B.Cumulus
C.Stratus
D.Nimbus
A.a mattress
B.spilled liquids such as oil or paint
C.high voltage electrical gear
D.a trash can
A.satellite communications
B.navigational information
C.weather information
D.position reporting service
A.At least two lifeboats
B.A radiotelephone
C.A radio direction finder
D.None of the above
A.carried by hand to a fire
B.carried or rolled to a fire
C.recharged in the field
D.used on class "B" fires
最新試題
Explosive and flammable gasses are most likely to be encountered on a vessel（）.
Antiseptics are used principally to（）.
An aneroid barometer on a boat should always be（）.
An airplane should NOT send which signal in reply to a surface craft?（）
An advantage of using chain lashing on heavy vehicles aboard Ro-Ro vessels is that it（）.
An “on-load” release system on a survival craft means the cable can be released（）.
An authorized light to assist in the identification of submarines operating on the surface is a(n)（）.
All portable fire extinguishers must be capable of being（）.
An engine compartment gasoline fire requires which type of extinguisher?（）
AMVER is a system which provides（）.