When inspecting piston rings through the ports of a two-stroke/cycle diesel engine, black areas on the sealing surfaces are the result of ()
The reversing cams of some four-stroke/cycle diesel engines are brought into position by ()
In a four-stroke cycle diesel engine the intake valves open ()
In a four-stroke engines the camshaft rotates at ().
Ground-breaking discovery is admired purely as a stroke of genus.
A disadvantage of a four-stroke/cycle diesel engine is ()
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because ().
For an ordinary four-stroke diesel engine the exhaust valves close ().
With four-stroke engines, it takes four revolutions of the crank shaft to make () power stroke(s).
In some type of two-stroke engines, besides some small holes for(), starting valve, safety valve, indicator cock, and central opening in each cylinder cover for mounting the()