Which of the listed cylinder liner surface conditions indicates proper lubrication?
A.Dull black appearance
B.Bright appearance
C.Thin layer of lacquer
D.Thick oily film
第1题
A.temperature
B.pumping rate
C.pressure
D.heat
第2题
A.must be centrifuged
B.must by filtered
C.must be changed
D.is holding finely dispersed carbon in suspension
第3题
A.dangerous over-speeding
B.a loss of lube oil pressure
C.activation of the fixed CO2 system for the emergency generator space
D.all of the above
第4题
A.condenser/evaporator
B.evaporator/compressor
C.compressor/condenser
D.None of the above
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