A、A.oil foaming in the compressor
B、B.higher than normal suction and discharge pressures with a higher box temperature
C、C.higher than normal discharge pressure with a normal box temperature
D、D.the compressor to run continuously
更多“An excessive charge of refrigerant in an air-cooled refrigeration system can cause （）.”相关的问题
A、excessively late fuel injection B、oil in the air charge C、water in the fuel D、injection continuing after the fuel charge is ignited
A、take shallow breaths of air B、ventilate the area C、wear a breathing apparatus while working D、keep a charged fire hose handy
A、worn cylinder liner B、faulty cylinder relief valve C、excessive lube oil pressure D、excessive scavenge air pressure
A、A.excessive mist density in the crankcases B、B.excessively high crankcase vacuum C、C.excessively high bearing temperature D、D.excessive carbon buildup in the lube oil
A、the engineer officer in charge of watch B、the deck officer in charge of watch C、the master D、the chief mate
A、low air charge temperature B、high cranking speed C、excessive fuel dilution of lube oil D、high compression pressure
A、flushed with clean refrigerant oil B、purged with the refrigerant C、washed with an ammonia and alcohol solution D、grounded to compressor
A、flushed with clean refrigerant oil B、purged with the refrigerant C、washed with an ammonia and alcohol solution D、grounded to compressor
A、delivering more air into the cylinder than it would normally receive during an ordinary charging process B、forcing the products of combustion out of the cylinder with the fresh air charge C、collecting the air charge at the cleaner D、combustion and expansion of hot gas
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