In a typical medium speed 4-stroke cycle diesel engines
A. Exhaust valve opens at 35° before bottom dead center and closes at 20° after top dead center
B. Exhaust valve opens at bottom dead center and closes at top dead center
C. Exhaust valve opens just after bottom dead center and closes just before top dead center
D. May open and close anywhere
Answer: Option A
Solution(By Examveda Team)
In a typical medium speed 4-stroke cycle diesel engines Exhaust valve opens at 35° before bottom dead center and closes at 20° after top dead centerThis Question Belongs to Mechanical Engineering >> Internal Combustion Engines (I.C. Engines)
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C. Absorbs shocks
D. Is stronger
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B. Increase power
C. Reduce weight and bulk for a given output
D. Effect fuel economy
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C. Multi cylinder engines
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A. 0
B. 50
C. 100
D. 120
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