A warmer than normal compressor suction line might be caused by ().
- Ainsufficient lubrication
- Binsufficient refrigerant
- Cexcess refrigerant
- Dexcessive opening of the expansion valve
A warmer than normal compressor suction line might be caused by ().
1、A reciprocating air compressor is runn
A reciprocating air compressor is running roughly and vibrating excessively, indicating that the ().Acompressor is overloadedBmotor is overloadedCfoundation bolts are looseDbelts are too tight
2、Higher than normal temperature air pas
Higher than normal temperature air passing through the intake of a diesel engine will result in()Agreater overall efficiencyBgreater fuel economyClower horsepowerDlower compression ratio
3、When a refrigeration compressor has de
When a refrigeration compressor has developed a high head pressure as a result of a refrigerant overcharge, you should ().Aincrease the amount...
4、If a refrigeration compressor will not
If a refrigeration compressor will not start, the reason may be ().Athe pressure regulating valve is not closingBan excessive lack of refrigerant in the systemCbadly leaking discharge valvesDworn piston ring
5、If a refrigeration compressor were sho
If a refrigeration compressor were short cycling on the low pressure cutout switch, the probable cause for this might be the ().Asystem was ...
6、A compressor should never be stopped (
A compressor should never be stopped ().Awithout first cooling itBwithout first heating itCwithout first unloading itDwithout first loading it