A.shell and tube type
B.plate type
C.coil type
D.conical disc type
您可能感兴趣的试卷
你可能感兴趣的试题
A.temperature
B.velocity
C.density
D.viscosity
A.the low inertia
B.the high inertia
C.the low velocity
D.the high velocity
A.butterfly valve
B.globe valve
C.gate valve
D.non-return valve
A.overcooling
B.poor cooling
C.overloading
D.unloading
A.the discharge temperature low
B.the discharge temperature high
C.the discharge pressure rise
D.the inter-stage pressure low
A.the lubrication
B.the cooling
C.the moisture separation
D.the valves
A.without first cooling it
B.without first heating it
C.without first unloading it
D.without first loading it
A.air
B.moisture
C.cooling water
D.lubricant
A.drained off
B.collected
C.sent to the crankcases
D.separated with oil
A.rotary compressors
B.reciprocating compressors
C.centrifugal compressors
D.screw compressors
最新试题
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
（） is not installed on the main switchboar.
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
Using a file without a handle may result in （）