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
您可能感興趣的試卷
你可能感興趣的試題
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
A.scavenging action of the piston
B.piston type vacuum pump taking suction off a differential manometer
C.gland exhausting manometer
D.crankcase exhaust fan
A.prevent soot fires in the exhaust system
B.prevent exhaust gas erosion of the tubes
C.increase the velocity of exhaust gas flow
D.increase the rate of heat transfer
A.a spindle lubricator
B.an oil jet
C.internal splashing
D.drilled passages in the crankshaft
最新試題
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 （）.
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
Diesel engine control can be obtained by the bridge （）.
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
In using reduction gears to obtain efficient propeller speeds, （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
Lube oil cannot be efficiently filtered if its （）.