A.a service tank
B.a collecting tank
C.a sump
D.a settling tank
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A.the outlet of oil
B.the outlet of water
C.the bowl periphery
D.the center of bowl
A.bowl periphery
B.bowl center
C.upper surface
D.lower surface
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
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If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
To determine if the lube oil filter elements need changing, （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
When would the available energy of the exhaust gases of a two-stroke/cycle diesel engine be insufficient to drive an exhaust gas turbocharger, resulting in the incorrect amount of air for combustion?（）
In using reduction gears to obtain efficient propeller speeds, （）.
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 （）.
In a simple mechanical governor, the （）.