A.breaks down when wet
B.kinks be discharged
C.is not elastic
D.stretches
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A.Water fog
B.Carbon dioxide
C.Dry chemical
D.Solid stream of water
A.cutting off supply of oxygen
B.removing the fuel
C.cooling below the ignition temperature
D.spraying with water
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
最新試題
When steering by autopilot,how often should the steering be checked?（）
Manoeuvring information can not be obtained from（）.
Where would you find information about the time of high tide at a specific location on a particular day of the year?（）
The mean draft of a ship is the draft（）.
The circulation around a low pressure center in the Northern Hemisphere is（）.
Your vessel is docking, but not yet alongside. Which line will be the most useful when maneuvering the vessel alongside the pier?（）.
Which of the following shall not the officers in charge of the navigational watch do?（）
Fog is likely to occur when there is little difference between the dew point and the（）.
（）is where the crew eat their meals.
What is a CORRECT reply to a pilot’s request, How’s your heading?（）