The high pressure in fuel injection system of the diesel engine is produced by the ().
A、injector pump
B、fuel injector
C、governor
D、turbocharger
A、injector pump
B、fuel injector
C、governor
D、turbocharger
A、the compressor short cycling on high pressure cut out switch B、high suction pressure C、high head pressure D、bubbles in the sight glass
A、directly from high pressure toward low pressure B、directly from low pressure toward high pressure C、from high pressure toward low pressure deflected by the earth's rotation D、from low pressure toward high pressure deflected by the earth's rotation
A、A.any of (1) and (3) B、B.any of (1) and (2) C、C.any of (2) and (3) D、D.any of (1), (2) and (3)
A、A.the relief valve should open before the high-pressure cutout B、B.the relief valve should open and let excess refrigerant go to receiver C、C.the high-pressure cutout switch should operate before the relief valve opens D、D.close in on the suction valve
A、A.high discharge pressure B、B.frosting of the crankcase C、C.high temperature of the overboard water D、D.low suction pressure of compressor
A、compressor;condenser B、condenser;evaporator C、throttle valve;evaporator D、evaporator;condenser
A、A.high pressure liquid line B、B.low pressure liquid line C、C.high pressure vapor line D、D.low pressure vapor line
A、continuous running of the compressor B、high suction pressure C、high discharge pressure D、short cycling of the compressor on the water failure switch
A、High jacket water pressure B、High lube oil pressure C、Low lube oil pressure D、Excessive turbo charger speed