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单选题
Which of the listed diesel engine operating conditions should be checked immediately after any diesel engine is started?（）
A
Exhaust temperature
B
Lube oil level
C
Lube oil pressure
D
Water level in the expansion tank
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单选题The knock occurring when a cold diesel engine is started and continues while running at low speed, but stops when the engine reaches normal operating speed and temperature, is（）.A
caused by retarded injection timingB
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单选题Which of the listed diesel engine operating conditions should be checked immediately after any diesel engine is started?（）A
Exhaust temperatureB
Lube oil levelC
Lube oil pressureD
Water level in the expansion tank
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单选题Which of the listed conditions will occur if a diesel engine exhaust valve is leaking?（）A
Loss of compression for that cylinderB
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Damage to the valveD
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Compression ratioB
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单选题As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）A
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Bed plateB
ColumnC
EntablatureD
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faulty combustionB
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TBN of the lubricating oilB
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单选题If a crankcase explosion occurs in a diesel engine, which of the listed actions should be taken?（）A
Open the crankcase immediately to check for damageB
Apply fire fighting water through the crankcase breatherC
Allow the engine to cool before opening the crankcaseD
Assume that there is no damage to the crankshaft
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单选题Which of the following conditions may need to be reduced when operating a large, low speed, main propulsion, diesel engine at low loads?（）A
Injection pressuresB
Control air supply pressureC
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