If the quick return ratio is 1: 2, then the length of the

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Direction: A quick return mechanism is shown below. The crank OS is driven at 2 rev/s in counter clockwise direction.

If the quick return ratio is 1: 2, then the length of the crank in mm is

1. 250
2. 250 √3
3. 500
4. 500 √3

Correct Option: A

250