A.shell and tube type
B.plate type
C.coil type
D.conical disc type
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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
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?（）
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One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
The main purpose of port State control is not to（）
The treatment of the fuel oils involves storage, heating, filtering and（）
Which of the following items don’t belong to dock repair works?（）
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
The condensers located in various stages of a flash evaporator are cooled by（）
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）