1. Mechanical Engineering
  2. Automobile Engineering
  3. In a four stroke S.I engine the exhaust ...
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
E. At TDC
Answer» B. 35? to 60? before BDC
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