A.high discharge pressure B.frosting of the crankcase C.high temperature of the overboard water D.low suction pressure of compressor
A.upper part of the receiver B.upper part of the condenser C.down stream end of the cooling coil D.outlet end of the condenser
A.icing of the automatic controls B.embrittlement of some parts of the automatic controls C.sludge in the lubricating oil D.all of the above