A、refrigerant boiling out of solution from the lube oil
B、liquid refrigerant flooding the compressor and system
C、lube oil viscosity being reduced by refrigerant dilution
D、compressor suction pressure suddenly increasing
更多“Foaming of the oil in a refrigeration compressor crankcase is caused by （）.”相关的问题
A、overheated compressor bearings B、excess lube oil viscosity C、carbon deposits on the compressor piston rings D、wax crystals forming in the lubricant
A、cause a loss of the liquid seal B、create a vapor lock in the liquid receiver C、collect in the condenser D、cause foaming of the oil in the crankcase
A、excessively high oil temperatures B、water or moisture contamination C、fuel dilution D、life its cylinder relief vales
A、A.Buildup of sludge in the lubricating system B、B.Excessive fuel consumption C、C.Severe heat stresses on mechanical parts D、D.Foaming of the lubricating oil
A、has continuously for a long period B、suction pressure is below normal C、oil level is below normal D、starts after a long idle period
A、Accidental discharge of oil B、Disposal of oil residues C、Quantity of water produced by FWG D、Discharge of dirty ballast or cleaning water from fuel oil tanks
A、oil foaming will occur B、large quantities of oil are consumed C、lube oil viscosity is always decreased D、corrosive by-products are usually formed
A、expansion valve to overfeed B、compressor to knock C、water regulating valve to fail D、crankcase drains to plug
客服
TOP
查看正确答案
