A.deprival of oxygen
B.removal of heat
C.spraying of water
D.injecting of soda-acid
您可能感興趣的試卷
你可能感興趣的試題
A.deprival of oxygen
B.a water spray
C.soda-acid
D.foam
A.combustible material
B.ignition source
C.oxygen
D.A and B and C
A.Two derricks
B.A derrick and a crane
C.Two cranes
D.A crane and a winch
A.360°
B.270°
C.180°
D.90°
A.less
B.more
C.many
D.much
最新試題
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
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（）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
The ISPS Code consists of a mandatory section-Part A, which shows（）
（） is not installed on the main switchboar.
Cold weather starting of a diesel engine may be made easier by（）
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
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）