A、refrigerant bubbles in the lube oil
B、refrigerant reducing the lube oil viscosity
C、oxidation of the lube oil from overheating
D、reducing the floc or cloud point of the oil
更多“Sludge may be formed in the oil in the crankcase of a reciprocating air conditioning compressor as a result of （）”相关的问题
A、bubbling refrigerant B、overheating and oxidation C、lowered operating temperatures D、reducing the cloud or flash point
A、Clogged oil pump suction screens B、Increased oil operating temperatures C、Sticking piston rings D、All of the above
A、wax precipitation in the lube oil B、contamination by dust, scale, or moisture C、refrigerant bubbles in the lube oil D、refrigerant reducing the lube oil viscosity
A、colder sea surface B、warmer sea surface C、dry coastal plains D、high mountain or plateau
A、A.Wooden covers must be laid over the bilge wells to prevent the sulphur from entering the bilges B、B.Bulk sulphur may be carried without a special permit providing the vessel complies with all applicable regulations C、C.The majir charateristic of this cargo is that it forms sulfuric acid upon contact with water D、D.Other hazardous material may not be stowed in the same hold as the sulphur bue may carried on deck above the hold
A、cylinder compression pressure may not be high enough B、cylinder compression temperature may be too high C、fuel oil injection pressure may not be high enough D、scavenge and purge process is incomplete
A、may always be complete and up-to-date B、may not always be complete and up-to-date C、may sometimes be complete and up-to-date D、may not sometimes be complete and up-to-date
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