Q
In a typical medium speed 4-stroke cycle diesel engine the inlet valve_____________________?
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A
A. Opens at 20° before top dead center and closes at 35° after the bottom dead center
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B
B. Opens at top dead center and closes at bottom dead center
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C
C. Opens at 10° after top dead center and closes 20° before the bottom dead center
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D
D. May open or close anywhere
Correct Answer:
A. A. Opens at 20° before top dead center and closes at 35° after the bottom dead center
