A.must be wet before it will release
B.should be kept in a watertight except in an emergency
C.will inflate the raft in its cradle if operaterd manually
D.must be submerged to a certain depth to release automatically
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A.the absolute temperature
B.atmospheric pressure
C.wind velocity
D.relative humidity
A.dry chemical
B.foam
C.high-velocity fog
D.water
A.at the bow
B.at the stern
C.in the middle
D.all around
A.should be righted by standing on the carbon dioxide cylinder, holding the righting straps, and leaning backwards
B.should be righted by standing on the life line, holding the righting straps, and leaning backwards
C.will right itself when the canopy tubes inflate
D.must be cleared of the buoyant equipment before it will right itself
A.minerals management service
B.Department of energy
C.corps of engineers
D.a recognized classification socitey approved
最新試題
In the Northern hemisphere northerly winds may cause temperature（）.
Before any loading takes place any signs of the previous cargo should do（）.
（）is where the crew eat their meals.
According to the relevant regulation, lifeboat should be powered by（）.
What is it called when it is possible to ignite the vapour above the oil?（）
The mean draft of a ship is the draft（）.
Fog is likely to occur when there is little difference between the dew point and the（）.
（）is halfway between the forward and after perpendiculars and is reference point for vessel construction.
The dew point temperature is（）.
（）is on the panel of radar.