单选题It is abnormal that when the engine is being turned by the turning gear or by hand, （）.Awater discharges from the indicator cocksBno water is leaking into crankcaseCno water in the scavenge beltDthe rpm is lower than the speed of Dead Slow Ahead
单选题
It is abnormal that when the engine is being turned by the turning gear or by hand, （）.
A
water discharges from the indicator cocks
B
no water is leaking into crankcase
C
no water in the scavenge belt
D
the rpm is lower than the speed of Dead Slow Ahead
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