A.reduce mean effective pressure
B.decrease average compression pressure
C.decrease air charge density
D.increase power output
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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
A.Splash
B.Gravity
C.Pressure
D.Bypass
最新試題
Proper filtering and straining of fuel oil is important because the （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
The function of diesel engine piston compression rings is to （）.
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
A thrust bearing is used with a propulsion diesel engine to （）.
White smoke exhausting from an operating diesel engine may indicate （）.
Lube oil cannot be efficiently filtered if its （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.