A.piperyline
B.motor gasoline
C.kerosene
D.mineral spirits
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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
A.located in an air-conditioned area
B.mounted in the passenger compartment
C.protected by a collision bulkhead
D.permanently mounted
最新試題
An aneroid barometer on a boat should always be（）.
All of the following are part of the fire triangle EXCEPT（）.
An all-round flashing yellow light may be exhibited by a(n)（）.
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? （）
All towing vessels of 26 feet or longer while navigating are required to carry which item? （）
In handling break bulk hazardous materials，it is forbidden to use（）.
All portable fire extinguishers must be capable of being（）.
An “atoll cloud” forming over an island due to heating of the land during the daytime would be which type? （）
An icebreaker assisting a vessel through an ice field would display a visual signal consisting of the code letter “E” (Echo) to signify that “（）”.
An “ABC” dry chemical fire extinguisher would be LEAST effective against a fire in（）.