A.after TDC
B.before TDC
C.after BDC
D.before BDC
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A.a gravity tank
B.a sump
C.a vessel
D.a bottle
A.intercooler
B.open air
C.oil fired boiler
D.B and C
A.TDC
B.DTC
C.BDC
D.DBC
A.the cylinder liner
B.the cylinder cover
C.the cylinder jacket
D.the piston
A.exhaust valves
B.mechanical lubricators
C.cooling water pumps
D.fuel injection pumps
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Diesel engine control can be obtained by the bridge （）.
To determine if the lube oil filter elements need changing, （）.
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
In a simple mechanical governor, the （）.
Maximum horsepower of a diesel engine is attained （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.