Mathematics · Speed, Time and Distance
In power transmission through a belt passing over a pulley, the rotational speed of the driver pulley is 1200 RPM and that of the driven pulley is 1500 RPM. Neglecting slip, the ratio of the diameter of the driver pulley to that of the driven pulley is:
- 11.00
- 20.80
- 30.64
- 41.25✓
Correct answer
1.25
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