A.increase
B.decrease
C.fluctuate
D.remain constant
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A.visual inspection of the elements
B.the pressure drop across the filter
C.high lube oil sump temperature
D.decrease in oil viscosity from the filter
A.steam stop valve
B.dry pipe
C.feedwater system
D.generating tubes
A.an overfilled expansion tank
B.excess chromate treatment of the jacket water
C.a clogged raw water sea suction
D.cavitation erosion of the heat exchanger tubes
A.an isochronous governor
B.elastic engine mounts
C.a vibration damper
D.a cast iron bed plate with good flexible qualities
The air supplied to a diesel engine is compressed to （）
(1) provide heat for the ignition of the fuel
(2) decrease injection delay
A.(1) only is correct
B.(2) only is correct
C.both (1) and (2) are correct
D.neither (1) or (2) are correct
最新試題
Combustion knock occurring in a diesel engine can be caused by （）.
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
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 （）.
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?（）
Proper filtering and straining of fuel oil is important because the （）.
A thrust bearing is used with a propulsion diesel engine to （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.