If the engine does not start on air, it may be due to
A.low compression of the fuel pumps
B.incorrect timing of fuel pumps
C.the starting air valves stuck
D.air-locks in fuel oil pipeline
第1题
A.the exhaust temperature
B.the exhaust pressure
C.the governor
D.the fuel flow meter
第2题
A.remains the same
B.is reduced
C.is increased
D.is eliminated
第3题
A.control axial movement of the crankshaft
B.transmit engine thrust to the propeller shaft
C.absorb vibrations in the propeller shafting
D.prevent propeller thrust from being transmitted to the hull
第4题
A.apparent slip
B.true slip
C.pitch
D.propulsive efficiency
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