+1 vote
in Machine Dynamics by (34.3k points)
4-stroke engine has one power stroke per 2 revolutions hence turning moment diagram is uniform.

(a) True

(b) False

I have been asked this question in final exam.

Question is taken from Turning Moment Diagram for a Four Stroke Cycle Internal Combustion Engine in portion Turning Moment Diagrams and Flywheel of Machine Dynamics

1 Answer

0 votes
by (38.6k points)
Correct choice is (b) False

Easiest explanation: One power stroke per 2 revolutions of crank shaft hence its turning moment is not uniform so heavier flywheel is needed.

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