单项选择题X 纠错
A.Lube oil passing through the system
B.Moisture or foreign matter collecting at the valve seat and orifice
C.Variable spring tension caused by the changing temperature
D.Frost on the liquid line
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单项选择题
A.an immediate crankcase explosion
B.oil contamination in the compressed air
C.a decrease in compressor capacity
D.no immediate loss of the compressed air capacity
单项选择题
A.The density of the air entering the compressor
B.The temperature of the air entering the compressor
C.The designed rotating speed of the compressor
D.A leaking head gasket
单项选择题
A.Differential
B.Trunk
C.Barrel
D.Valve-in-head
单项选择题
A.return to a neutral position
B.flood the evaporator
C.open
D.close
单项选择题
A.control air system
B.forced draft air system
C.supply air system
D.ships service air system
单项选择题
A.dehydrated
B.purged
C.plugged
D.evacuated
单项选择题
A.combustion control air system
B.supply air system
C.ships service air system
D.low pressure deck air system
单项选择题
A.dry bulb temperature
B.wet bulb temperature
C.saturation temperature
D.water vapor superheat
单项选择题
A.The follow-up gear
B.The rudder angle indicator
C.The synchronous electric transmitter
D.A rudder angle limit switch
单项选择题
A.apparent slip
B.tree slip
C.pitch
D.propulsive efficiency