A.of the diaphragm type
B.of the centrifugal type
C.of the positive displacement type
D.independently driven by electric motors
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A.intake stroke
B.exhaust stroke
C.power stroke
D.compression stroke
A.excessive crankcase pressure
B.excessive lube oil temperature
C.contamination of the lube oil by water
D.contamination of the cooling water by lube oil
A.dissolved oxygen
B.chlorides
C.sludge
D.dissolved nitrogen
A.boiler water level is low
B.feedwater is too hot
C.boiler steam demand is low
D.feedwater is too cold
A.intake valves
B.carburetor
C.exhaust ports
D.injector nozzles
最新試題
A thrust bearing is used with a propulsion diesel engine to （）.
Routine monitoring of a diesel engine should include （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
The main purpose of the piston oil scraper rings is to （）.
What is the function of the thrust bearing?（）
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 （）.