+1 vote
in Machine Dynamics by (34.3k points)
For a 4 stroke IC engine, the angle θ assumes a value equal to _______

(a) π

(b) 2π

(c) 4π

(d) π/2

I got this question during an online exam.

I'd like to ask this question from Coefficient of Fluctuation of Energy topic in portion Turning Moment Diagrams and Flywheel of Machine Dynamics

1 Answer

0 votes
by (38.6k points)
Right choice is (c) 4π

To explain I would say: For a 4 stroke internal combustion engine, a power stroke takes place every 2 revolution therefore the total angle turned is equal to 4π.

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