General Studies · Theory of Machines
In a simple gear train, gears X and Y have 48 teeth each, and an idler gear placed between gears X and Y has 24 teeth. Find the speed and direction of gear Y if the speed of gear X is 210 rpm clockwise.
- 1420 rpm counter-clockwise
- 2210 rpm counter-clockwise
- 3210 rpm clockwise✓
- 4840 rpm clockwise
Correct answer
210 rpm clockwise
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