A.a cracked liner
B.burning lube oil
C.an overloaded engine
D.insufficient combustion air
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A.increasing the volume of intake air
B.shutting off the fuel supply
C.increasing the engine back pressure
D.over-speeding the engine
A.During operation at low speed
B.During operation at rated speed, but low power output
C.During acceleration
D.All of the above
A.compression pressures are below normal
B.lube oil is diluted with fuel oil
C.cranking speed is too low
D.exhaust system is partially restricted
A.checking for leaks
B.checking temperatures and pressures
C.listening for abnormal noises
D.all of the above
A.reduce the engine load
B.increase the cooling water flow
C.increase the lube oil pressure
D.adjust the fuel rack
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