A.seawater contamination
B.frequent surface blows
C.dissolved oxygen deaeration
D.frequent bottom blows
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A.total dissolved solids
B.salt contamination
C.water hardness
D.chlorine contamination
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
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The minimum speed an engine must attain before ignition can occur depends upon （）.
Combustion knock occurring in a diesel engine can be caused by （）.
Maximum horsepower of a diesel engine is attained （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
What is the function of the thrust bearing?（）
White smoke exhausting from an operating diesel engine may indicate （）.
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 （）.