单项选择题X 纠错
A.purge lube oil from the liquid refrigerant
B.recover water purged from the system
C.separate foul gases from the receiver
D.purge non-condensable gases without losing refrigerant
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单项选择题
A.Sub-cooled liquid
B.Sub-cooled vapor
C.Superheated vapor
D.Liquid
单项选择题
A.incorrect electrode setting
B.incorrect nozzle position
C.clogged fuel nozzle
D.broken high tension lead
单项选择题
A.decreasing the compression ratio
B.using a special fuel having a high ignition temperature
C.increasing the starting air supply
D.heating the jacket water
单项选择题
A.an air start cam
B.cylinder compression pressure
C.starting air pressure
D.valve springs
单项选择题
A.ignition quality of the fuel
B.calorific value of the fuel
C.flash point of the fuel
D.rate of fuel consumption
单项选择题
A.distillate
B.seawater
C.brine
D.air
单项选择题
A.Impeller
B.Compressor
C.After-cooler
D.Exhaust differ
单项选择题
A.tachometer
B.pyrometer
C.dynamometer
D.calorimeter
单项选择题
A.Speed limiting governor
B.Over-speed governor
C.Over-speed trip
D.Over-speed relay
单项选择题
A.Sensitivity
B.Power
C.Speed droop
D.Compensation