A.Exactly at T.D.C. after compression stroke
B.Just after T.D.C. during exhaust compression stroke
C.Approaching T.D.C. during compression stroke
D.Approaching T.D.C. during exhaust stroke
A.Exactly at T.D.C. after compression stroke
B.Just after T.D.C. during exhaust compression stroke
C.Approaching T.D.C. during compression stroke
D.Approaching T.D.C. during exhaust stroke