1978Mechanical EngineeringMedium
In a typical medium speed 4 stroke cycle diesel engine________?
Amay open and close anywhere
Bexhaust valve opens just after bottom dead center and closes just before top dead center
Cnone of the above is true
Dexhaust valve opens at 35° before bot-tom dead center and closes at 20° after top dead center
Eexhaust valve opens at bottom ‘dead center and closes at top dead center
Correct answer
D. exhaust valve opens at 35° before bot-tom dead center and closes at 20° after top dead center
Explanation
The correct answer is exhaust valve opens at 35° before bot-tom dead center and closes at 20° after top dead center.