A.Chain reaction
B.Thermal action
C.Chemical occlusion
D.Pyrotechnical reaction
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A.starting the fire pumps
B.checking firemans outfits and other personnel rescue equipment
C.checking relevant communications equipment
D.All of the above
A.Class "A"
B.Class "B"
C.Class "C"
D.Class "D"
A.Conduction of heat to adjacent surfaces
B.Direct radiation
C.Convection
D.All of the above
A.gas freed
B.inerted
C.filled with water
D.all of the above as necessary
A.Static electricity
B.An open running electric motor
C.Loose wiring
D.Explosion proof lights
最新試題
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
The additional mark （）in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
Cold weather starting of a diesel engine may be made easier by（）
To proceed to the assistance of a ship in distress is（）
Under MARPOL Code the ship to which it applies has to carry （）
The condensers located in various stages of a flash evaporator are cooled by（）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
When does auxiliary burner of incinerator put into operation? （）Ⅰ. start incinerator when it is coldⅡ. the sludge for dealing with is littleⅢ. the sludge for dealing with is largeⅣ. the water and impurity in sludge are too muchⅤ. the temperature in incinerator is lowⅥ. dealing with little solid rubbish
（） is not installed on the main switchboar.