Generally speaking for better efficiency of IC engine the valves must

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Vikash Gupta

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📊 Automobile Engineering

Q. Generally speaking for better efficiency of IC engine the valves must

(A) open before the beginning of a stroke and close before the end of a stroke
(B) open after the beginning of a stroke and close before the end of a stroke
(C) open after the beginning of a stroke and close after the end of a stroke
(D) open before the beginning of a stroke and close after the end of a stroke

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✅ Correct Answer: (D) open before the beginning of a stroke and close after the end of a stroke

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