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
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）
What is the function of the thrust bearing?（）
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
The main purpose of the piston oil scraper rings is to （）.
Maximum horsepower of a diesel engine is attained （）.
To determine if the lube oil filter elements need changing, （）.
Diesel engine control can be obtained by the bridge （）.
Routine monitoring of a diesel engine should include （）.