General Studies · IC Engine Cycles
What is the operational state of the valves during the compression stroke in a standard four-stroke cycle engine?
- 1Exhaust valve opens and inlet valve closes
- 2Both inlet and exhaust valves remain open
- 3Inlet valve opens and exhaust valve closes
- 4Both inlet and exhaust valves remain closed✓
Correct answer
Both inlet and exhaust valves remain closed
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