A.neutral
B.end
C.opening
D.closure
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A.windlasses
B.drums
C.capstans
D.warp ends
A.horse power
B.high pressure compressor
C.hand pump
D.high pressure
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
最新試題
Heavy wear in a particular area of the inner circumference of a packing ring may be caused by （）.
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?（）
A pressure drop through the refrigerant liquid line may cause （）.
Low compressor head pressure in a refrigeration system can be caused by（）.
The major source of chemical contaminants in hydraulic fluid is （）.
The rate of heat transfer from a hot region to a cold region is affected most by the （）.
Which of the following problems could cause the high pressure cutout switch to shut down the compressor in a refrigeration system?（）
If the head pressure of a reciprocating refrigeration compressor is excessive, （）.
An increasing head pressure in a refrigeration system, without any corresponding change in the cooling water inlet temperature, would probably be caused by （）.
A salinity indicator is used to determine the （）.