A.horse power
B.high pressure compressor
C.hand pump
D.high pressure
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A.catch plates
B.swash plates
C.cover plates
D.bedplates
A.filter
B.hole
C.pollution
D.content
A.scaled
B.worn
C.deformed
D.rested
A.a heater
B.a pre-heater
C.an exhaust gas boiler
D.the coal burning boiler
A.be increased
B.be decreased
C.remain constant
D.either be increased or remain constant
最新試題
If the suction pressure at the refrigeration compressor is below normal, the cause can be().
When a refrigeration compressor has developed a high head pressure as a result of a refrigerant overcharge, you should ().
If the thermal bulb of an expansion valve is incorrectly placed at the center of the coil instead of the end, it will ().
The rate of heat transfer from a hot region to a cold region is affected most by the ().
The major source of chemical contaminants in hydraulic fluid is ().
If the head pressure of a reciprocating refrigeration compressor is excessive, ().
Low compressor head pressure in a refrigeration system can be caused by().
An excessive charge of refrigerant in an air-cooled refrigeration system can cause ().
The temperature differential occurring between the inlet temperature of the fluid to be cooled and the outlet temperature of the cooling medium in a shell-and-tube heat exchanger is greatest in which of the flow designs listed?()
Who is responsible for ensuring that someone is assigned to close the watertight doors in an emergency?()