單項選擇題

Which of the following problems would be the probable cause for the faulty operation of a reciprocating air compressor suction valve?（）

A.Carbon build up in the piston ring belt
B.Faulty operation of a cylinder un-loader
C.Compressor operation in an area of high relative humidity
D.Lifting of intercooler rebel valve

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單項選擇題

If a refrigeration crankcase compressor were short cycling on the low pressure cutout switch, the cause might be that the （）.

A.system was overcharged with refrigerant
B.system was low on refrigerant
C.suction valves were leaking slightly
D.relief valve was leaking slightly

單項選擇題

Air blowing from the intake air filter of an operating air compressor indicates （）.

A.broken inlet valves
B.broken discharge valves
C.pulsations in the air distribution system
D.overloading of the air distribution system

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Which of the following problems would be the probable cause for the faulty operation of a reciprocating air compressor suction valve?（）

你可能感興趣的試題

If a refrigeration crankcase compressor were short cycling on the low pressure cutout switch, the cause might be that the （）.

Air blowing from the intake air filter of an operating air compressor indicates （）.

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