Answer is:
both valves are open
Explanation:
Valve overlap is the period during engine operation when both intake and exhaust valves are open at the same time. Valve overlap occurs when the piston nears TDC between the exhaust event and the intake event.
Valve overlap is the number of degrees of camshaft rotation during which both valves are open.
Answer is:
suction - compression - power - exhaust
Explanation:
The sequence order of events in a four stroke engine is
1. Suction
2. Compression
3. Power
4. Exhaust
Answer is:
air and fuel
Explanation:
In petrol engines, during suction stroke, air and fuel is drawn in the cylinder.
Answer is:
only air
Explanation:
In Diesel engines, during suction stroke, only air is drawn in the cylinder.
