A.total dissolved solids
B.salt contamination
C.water hardness
D.chlorine contamination
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A.reduce mean effective pressure
B.decrease average compression pressure
C.decrease air charge density
D.increase power output
A.air or water in the furnace
B.combustion pulses
C.fuel oil pump failure
D.flame failure
A.air supply is shut off
B.fuel supply is shut off
C.water supply is shut off
D.safety valve lifts
A.high steam pressure in the boiler
B.abnormally high feed water temperature
C.abnormally high boiler water temperature
D.steam demand exceeding feed pump capacity
A.Clogged air intake falters
B.Piston blow-by
C.A defective after-cooler
D.Faulty exhaust valves
最新試題
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
The main purpose of the piston oil scraper rings is to （）.
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
The function of diesel engine piston compression rings is to （）.
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
Diesel engine control can be obtained by the bridge （）.
Proper filtering and straining of fuel oil is important because the （）.
A diesel engine piston ring face is in direct contact with the （）.
An automated diesel engine should normally shut down due to （）
When would the available energy of the exhaust gases of a two-stroke/cycle diesel engine be insufficient to drive an exhaust gas turbocharger, resulting in the incorrect amount of air for combustion?（）