A.Increased suction head pressure
B.Decreased feedwater temperature
C.Pump recirculating line being open too much
D.Excessive feedwater temperature
您可能感興趣的試卷
你可能感興趣的試題
A.The safety valve escape piping should be disconnected from the valve body and a blank inserted
B.The boiler vent valves should be opened
C.All handhole/manhole covers should be tightened up as much as possible to preclude any leaks
D.All of the above
A.salinity is abnormally high
B.steam demand is too high
C.water level is abnormally low
D.feedwater flow is low
A.internal crankshaft passages
B.immersion in oil
C.splash lubrication
D.injection lubrication
A.Increases the sludge forming tendency of lube oil
B.Prevents the accumulation of combustible gases
C.Improves lube oil cooling
D.Improves cold weather starting
A.closing later
B.opening sooner
C.staying open for a shorter period of time
D.staying open for a longer period of time
最新試題
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm ().
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by ().
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?()
Proper filtering and straining of fuel oil is important because the ().
The highest pressure in a diesel engine cylinder normally occurs ().
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?()
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 ().
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the ().
What is the function of the thrust bearing?()