A.water
B.babbitt
C.iron or steel
D.acids
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A.Impurities
B.Lube oil
C.Gasoline
D.Diesel fuel
A.moisture
B.dirt
C.acid
D.air
A.relieve excess fuel oil pressure during the “off” fire cycle
B.admit water to the dry pipe
C.throttle the forced draft fan output for proper combustion
D.reduce excess steam pressure in the boiler
A.60 to75
B.80 to 95
C.100 to 115
D.120 to 135
A.heat conduction into the injected fuel oil
B.heat conduction into the water jacket wall
C.water circulation through passages in the holder
D.fuel oil circulation through passages in the holder
最新試題
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
White smoke exhausting from an operating diesel engine may indicate （）.
Combustion knock occurring in a diesel engine can be caused by （）.
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
Maximum horsepower of a diesel engine is attained （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
Lube oil cannot be efficiently filtered if its （）.
A thrust bearing is used with a propulsion diesel engine to （）.