Question: 1. A driver gear has 72 teeth and makes 162 rpm. Find the rpm of the driven gear with 81 teeth. 2. A driver gear

1. A driver gear has 72 teeth and makes 162 rpm. Find the rpm of the driven gear with 81 teeth.

2. A driver gear with 60 teeth makes 1600 rpm. How many teeth must the driven gear have if it makes 480 rpm?

3. What size gear should be meshed with a 20-tooth pinion to achieve a speed reduction of 3 to 1?

4. A motor turning at 1500 rpm is fitted with a gear having 60 teeth. Find the speed of the driven gear if it has 40 teeth.

5. The larger of two gears in a clock has 36 teeth and turns at a rate of 0.50 rpm. How many teeth does the smaller gear have if it rotates at 1/30 rev/s?

6. How many revolutions does an 88-tooth gear make in 10.0 min when it is meshed with a 22-tooth pinion rotating at 44 rpm?

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1 n NTt 162rpm 72 81 144 rpm 2 t NTn 1600rpm 60 480rpm 200 ... View full answer

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