Engines on Automobile Engineering related Questions and Answers


Question :   In a four stroke S.I engine the exhaust valve usually opens
1. At BDC
2. 35 degree to 60 degree before BDC
3. 35 degree to 60 degree after BDC
4. 10 degree to 20 degree before BDC
Answer :   2 - 35 degree to 60 degree before BDC  

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