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Work produced by the 4-stroke engine is less because _______

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in Machine Dynamics by (34.3k points)
Work produced by the 4-stroke engine is less because _______

(a) One power stroke per 2 revolutions

(b) One power stroke per revolution

(c) One power stroke per 4 revolution

(d) Four power stroke per revolution

The question was asked in unit test.

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

1 Answer

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by (38.6k points)
Correct answer is (a) One power stroke per 2 revolutions

The best explanation: One power stroke per 2 revolutions of crank shaft hence its turning moment is not uniform so heavier flywheel is needed and hence results in less power generation.

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