In a four stroke S.I engine the exhaust valve usually opens ______ – McqOptions

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1.	In a four stroke S.I engine the exhaust valve usually opens ______
A.	At BDC
B.	35 degree to 60 degree before BDC
C.	35 degree to 60 degree after BDC
D.	10 degree to 20 degree before BDC
Answer» C. 35 degree to 60 degree after BDC

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