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
您可能感興趣的試卷
你可能感興趣的試題
A.use self-contained breathing apparatus
B.use various types of portable fire extinguishers
C.effect a rescue in a smoke-filled space wearing breathing apparatus
D.All of the above
A.served
B.serving
C.surveyed
D.surveying
A.Stop loading
B.Notify the harbour administration
C.Determine if the vessel is the source of the pollution
D.Start the main engine and put them in gear to disperse the spill
A.both；and
B.whether；or
C.neither；nor
D.because；so
A.Assembly
B.Organization
C.Company
D.Administration
最新試題
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
If separating effect is not good, which measure should be taken （）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
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
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
Under MARPOL Code the ship to which it applies has to carry （）
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?（）
Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）