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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 cylinder
B
Misfiring or rough running
C
Damage to the valve
D
All of the above
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FuelD
Electric ignition
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Lube oil levelC
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Water level in the expansion tank
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Compression ratioB
Fuel/Air ratioC
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单选题Which of the listed classes of fire would most likely occur in the engine room of a vessel?()A
Classes A and BB
Classes B and CC
Classes C and DD
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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
Exhaust temperaturesB
Raw water pressureC
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Bed plateB
ColumnC
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单选题The arrangement and shape of the cams on a diesel engine camshaft directly control which of the listed groups of operating conditions?()A
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firing order, valve timing, and valve liftC
fuel consumption, efficiency, and cylinder pressureD
scavenge pressure, compression ratio, and exhaust pressure
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The exhaust will contain black smokeC
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Exhaust strokeD
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faulty combustionB
excessive ring temperatureC
over lubricationD
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单选题Which of the listed conditions will affective pressure the most in the cylinder of a diesel engine?()A
TBN of the lubricating oilB
Temperature of the lube oilC
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Temperature of the cooling (sea) water
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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
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