Question: 1. A driver gear has 36 teeth and makes 85.0 rpm. Find the rpm of the driven gear with 72 teeth. 2. A motor turning

1. A driver gear has 36 teeth and makes 85.0 rpm. Find the rpm of the driven gear with 72 teeth.

2. A motor turning at 1250 rpm is fitted with a gear having 54 teeth. Find the speed of the driven gear if it has 45 teeth.

3. A gear running at 250 rpm meshes with another revolving at 100 rpm. If the smaller gear has 30 teeth, how many teeth does the larger gear have?

4. A driver gear with 40 teeth makes 154 rpm. How many teeth must the driven gear have if it makes 220 rpm?

5. Two gears have a speed ratio of 4.2 to 1. If the smaller gear has 15 teeth, how many teeth does the larger gear have?

6. What size gear should be meshed with a 15-tooth pinion to achieve a speed reduction of 10 to 3?


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