A.Improper fuel rack positioning
B.Lengthy opening of the exhaust valve
C.Excessively early injection timing
D.Extended light load operation
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A.higher torque but lower brake horsepower
B.lower torque but higher brake horsepower
C.higher torque and lower brake horsepower
D.lower torque and higher brake horsepower
A.reduce the wear of bearing surfaces
B.cool the bearing surfaces
C.assist in sealing bearing surfaces
D.all of the above
A.Non-harmonic speed
B.Critical speed
C.Maximum speed
D.Design maximum speed
A dirty fuel oil filter is can be detected by ()
Ⅰ.fuel oil analysis
Ⅱ.observing the pressure drop across the filter
A.Ⅰonly
B.Ⅱonly
C.eitherⅠorⅡ
D.neitherⅠnor
A.increase the density of the intake air
B.decrease turbocharger power usage
C.reduce exhaust gas temperature
D.compensate for turbocharger PRM fluctuations
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If separating effect is not good, which measure should be taken ()
The ISPS Code consists of a mandatory section-Part A, which shows()
The cetane rating of diesel fuel is an indication of the ()
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated()
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?()
By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a()
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?()
Cold weather starting of a diesel engine may be made easier by()