A.internal crankshaft passages
B.immersion in oil
C.splash lubrication
D.injection lubrication
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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
A.prevents spark generation
B.removes combustible gases
C.determines the level of combustible gases
D.provides inert gas generation in crankcase
A.free entry of air to the crankcase
B.water entering the crankcase while engine wash-downs are being performed
C.excessive oil leakage during periods of increased blow-by
D.sub-cooling internal components
A.open late and close early
B.open late and close late
C.fail to open when the engine is cold
D.fail to open at normal operating temperature
最新試題
Diesel engine control can be obtained by the bridge （）.
Maximum horsepower of a diesel engine is attained （）.
White smoke exhausting from an operating diesel engine may indicate （）.
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
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 （）.
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）
To determine if the lube oil filter elements need changing, （）.
In using reduction gears to obtain efficient propeller speeds, （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
Lube oil cannot be efficiently filtered if its （）.