A.bowl periphery
B.bowl center
C.upper surface
D.lower surface
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A.just below the crankcase
B.the oil cup for the exhaust valve
C.the pan for collecting drain fuel oil
D.oil circulating pump
A.oil
B.sea water
C.air
D.fresh water
A.half the engine rotational speed
B.twice the engine rotational speed
C.the engine rotational speed
D.four times the engine rotational speed
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
最新試題
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.
A thrust bearing is used with a propulsion diesel engine to （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
In a simple mechanical governor, the （）.
Lube oil cannot be efficiently filtered if its （）.
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）