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单选题
A defective injector nozzle in a propulsion diesel engine can cause（）
A
engine power losses
B
smoking due to unburned fuel
C
high exhaust temperature readings
D
all of the above
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over-speed tripD
banjo oiler line
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smoky exhaustB
starting failureC
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单选题In a large, slow-speed, main propulsion diesel engine, which of the parts listed is under tension when the engine is running?（）A
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ColumnC
EntablatureD
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cylinder headsB
exhaust valvesC
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high exhaust gas pyrometer readingsC
sparks in the exhaustD
blue smoke in the exhaust
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