A.cutting off supply of oxygen
B.removing the fuel
C.cooling below the ignition temperature
D.spraying with water
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A.vertical position
B.horizontal position
C.boom stop angle
D.minimum radius angle
A.reading the gage pressure
B.weighing the extinguisher
C.discharging a small amount of CO2
D.seeing if the seal has been broken
A.transverse moment
B.vertical moment
C.righting moment
D.inclining moment
A.auxiliary guys
B.extra fair leads
C.steel bands
D.stops
A.cannot be made with salt water
B.is heavierthan oil and sinks below its surface
C.is corrosive and to fire fighters
D.conducts electricity
最新試題
What is it called when it is possible to ignite the vapour above the oil?（）
According to the relevant regulation, lifeboat should be powered by（）.
Berthing means bringing a vessel to her berth until（）.
What is a CORRECT reply to a pilot’s request, How’s your heading?（）
In the Northern hemisphere northerly winds may cause temperature（）.
When the wave period and the apparent rolling period are the same（）.
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.
Which of the following is not a form of precipitation?（）
（）is the act of allocating space to containers on board of a container ship in the order of the discharge ports.
ECDIS must be able to perform all of the following EXCEPT（）.