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单选题
Due to excessive water in the fuel, a diesel engine fails to startBefore the engine can be started, the water must be removed from the （）.
A
fuel pumps
B
cylinders
C
fuel strainers
D
all of above
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单选题A practical way of checking for excessive fuel injection in one cylinder of an operating diesel engine is to （）A
feel the high pressure fuel lineB
check the cylinder exhausts for white smoke frequentlyC
check the cylinder exhaust temperatureD
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单选题If a tow-stroke/diesel engine is over-speeding due to leakage of lube oil into the cylinders, what should you do to stop the engine?（）A
Move the fuel control mechanism to the no fuel positionB
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单选题A diesel engine fails to start because of water in the fuelIn order to start the engine, you should （）?A
turn engine with jacking gearB
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单选题A diesel engine fails to start due to excessive water in the fuelBefore the engine can be started, the water should be removed from the（）A
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crank case pumpD
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单选题In a diesel engine, blow-by（）A
increase exhaust back pressureB
causes excessive crankcase pressureC
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a spark plugB
injectorsC
the heat of compressionD
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Lower than normal compressionC
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excessively worn fuel pump plungerD
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the water produced during combustionB
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单选题If you suspect a diesel engine is misfiring due to air leakage into the fuel system, you should begin looking for the leak at the （）A
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low compressionB
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improper sparkD
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