A.boiler water level is low
B.feedwater is too hot
C.boiler steam demand is low
D.feedwater is too cold
您可能感興趣的試卷
你可能感興趣的試題
A.intake valves
B.carburetor
C.exhaust ports
D.injector nozzles
A.clearance
B.crush
C.pitch
D.thrust
A.bottom blow the boiler
B.treat the water with caustic soda
C.treat the water with chemical scavengers
D.reduce the water alkalinity to recommended readings
A.reduce gas flow turbulence
B.prevent exhaust gas corrosion
C.increase the rate of combustion
D.increase the rate of heat transfer
A.reduce air charge turbulence
B.induce air swirl
C.deflect hot combustion gas away from the valves
D.oppose the effects of piston induced squish
最新試題
What is the function of the thrust bearing?()
White smoke exhausting from an operating diesel engine may indicate ().
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST ().
In a simple mechanical governor, the ().
The most important factor in engine performance is the actual power output at the end of the crankshaft available for doing workThis is known as ().
The highest pressure in a diesel engine cylinder normally occurs ().
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by ().
Proper filtering and straining of fuel oil is important because the ().
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?()
In using reduction gears to obtain efficient propeller speeds, ().