A.Decreasing scavenge air pressure
B.Increasing exhaust temperatures before the turbine
C.Reduction in engine speed
D.All of the above
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A.quality of air filtration
B.effectiveness of lubrication
C.type of fuel used
D.all of the above
A.cetane number
B.octane number
C.ignition index number
D.volatility point
A.antiknock characteristics
B.ignition qualities
C.rates of vaporization
D.viscosity
A.increase in starting air pressure
B.increase in lube oil viscosity
C.compression expansion device
D.jacket water heater
A.corrosion and grooving of exhaust valves
B.corrosion and gumming of the fuel injection pump
C.salt deposits in the exhaust manifold
D.slag deposits in the fuel injection equipment
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If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
Using a file without a handle may result in （）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
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During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
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The treatment of the fuel oils involves storage, heating, filtering and（）