A.should bring
B.should be brought
C.should take
D.should be taken
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A.with
B.without
C.against
D.above
A.general alarm and fire control plans
B.muster stations and duties of individual
C.patrol system
D.All of the above
A.darkness
B.daylight
C.simulated engine-room
D.all of the above
A.oil leakage in engine-room
B.hot work (welding, cutting, etc)
C.static electricity
D.all of the above
A.the three elements of fire and explosion
B.lower and upper flammable limits
C.classification of flies and applicable extinguishing agents
D.All of the above
最新試題
Diesel engine air start system check valves are opened by （）
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）
The condensers located in various stages of a flash evaporator are cooled by（）
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
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