A.naphtha,vm and p
B.tridecanol
C.cottonseed oil
D.camphor oil
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A.piperyline
B.motor gasoline
C.kerosene
D.mineral spirits
A.blowout
B.kick
C.gusher
D.flow
A.Carbon dioxide
B.Dry chemical
C.Foam
D.All of the above
A.observer's meridian
B.Greenwich meridian
C.body's meridian
D.zenith distance
A.blue rotating light
B.intermittent flashing amber/yellow light
C.flashing white light
D.flashing sidelight
最新試題
In handling break bulk hazardous materials,it is forbidden to use().
An “ABC” dry chemical fire extinguisher would be LEAST effective against a fire in().
All of the following are part of the fire triangle EXCEPT().
Air circulation is caused or affected by().
AMVER is a system which provides().
An example of a grade B product is().
Aids to navigation marking the intracoastal waterway can be identified by().
An engine compartment gasoline fire requires which type of extinguisher?()
An indirect radar echo is caused by a reflection of the main lobe of the radar beam off the observer’s vessel. Which of the following is NOT a characteristic of indirect echoes? ()
An “on-load” release system on a survival craft means the cable can be released().