Agricultural Engineering > GATE 2023 > Valve Timing
In a 4-stroke single cylinder diesel engine, the inlet valve opens at 10° before TDC and closes at 40° after BDC. The exhaust valve opens at 25° before BDC and closes at 15° after TDC. The percentage of time for which both the valves remain closed in one cycle of the engine is
Correct : b
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