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
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
In using reduction gears to obtain efficient propeller speeds, （）.
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）
The function of diesel engine piston compression rings is to （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
A thrust bearing is used with a propulsion diesel engine to （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
An automated diesel engine should normally shut down due to （）
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.