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Mechanical Engineering · Q46

Internal Combustion Engines (I.C. Engines)

Engineering and GATE · Mechanical Engineering · question 46

Q46

In a four stroke cycle diesel engine, the inlet valve

A.
Opens at 20° before top dead center and closes at 40° after bottom dead center
Answer
B.
Opens at 20° after top dead center and closes at 20° before bottom dead center
C.
Opens at top dead center and closes at bottom dead center
D.
May open and close anywhere

Answer: Option A

Solution

Answer: Option A
Solution:
In a four stroke cycle diesel engine, the inlet valve Opens at 20° before top dead center and closes at 40° after bottom dead center