Q. In a four stroke S.I engine the exhaust valve usually opens

(A) 35? to 60? after BDC
(B) 35? to 60? before BDC
(C) At BDC
(D) 10? to 20? before TDC

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✅ Correct Answer: (B) 35? to 60? before BDC

Published by Vijay Sangwan ⭐ 28.62K Points at 17-Feb-2025 06:51 pm in Automobile Engineering

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