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Mechanical Engineering
MEDIUM
ENGLISH
Mechanical Engineering
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
Correct answer
B
opens at top dead center and closes at bottom dead center
Option B
C
opens at 10° after top dead center and closes 20° before the bottom dead center
Option C
D
may open or close anywhere
Option D
Correct answer: A
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