A.half the engine rotational speed
B.twice the engine rotational speed
C.the engine rotational speed
D.four times the engine rotational speed
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A.increase its quality
B.obtain complete burning
C.reduce its weight
D.all of the above
A.a separator
B.oil
C.water
D.an oil collecting space
A.a service tank
B.a settling tank
C.an expansion tank
D.a double bottom tank
A.main bearings
B.sea water
C.cooling oil
D.lower temperature fresh water
A.fresh water
B.sea water
C.cooling oil
D.emulsion
最新試題
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
An automated diesel engine should normally shut down due to （）
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
What is the function of the thrust bearing?（）
The ability of the governor to prevent fluctuations in engine speed is termed （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.