A.intake stroke
B.exhaust stroke
C.power stroke
D.compression stroke
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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
A.clearance
B.crush
C.pitch
D.thrust
最新試題
Proper filtering and straining of fuel oil is important because the （）.
In using reduction gears to obtain efficient propeller speeds, （）.
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 （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
Maximum horsepower of a diesel engine is attained （）.
A thrust bearing is used with a propulsion diesel engine to （）.
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
The main purpose of the piston oil scraper rings is to （）.