Q89
In a typical medium speed 4-stroke cycle diesel engine the inlet valve
A.
Opens at 20° before top dead center and closes at 35° after the bottom dead center
AnswerB.
Opens at top dead center and closes at bottom dead center
C.
Opens at 10° after top dead center and closes 20° before the bottom dead center
D.
May open or close anywhere
Answer: Option A
Solution
Answer: Option A
Solution:
In a typical medium speed 4-stroke cycle diesel engine the inlet valve Opens at 20° before top dead center and closes at 35° after the bottom dead center