The intake valve opens at 39° BTDC (before top dead center) and closes at 71° ABDC (After bottom dead center). The exhaust valve opens at 78° BBDC (before bottom dead center) and closes at 47° ATDC (after top dead center). Which of these is correct regarding this cam timing?
A) Exhaust valve duration is 125° B) Intake valve duration is 110°
C) Overlap is 86° D) Both A and B
C
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 FIGURE 1.png)
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