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In order to have smooth operation, the minimum number of teeth on the smaller sprocket, for moderate speeds, should be

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in Machine Kinematics by (38.0k points)
In order to have smooth operation, the minimum number of teeth on the smaller sprocket, for moderate speeds, should be

(a) 15

(b) 17

(c) 21

(d) 25

I got this question during a job interview.

My question is taken from Advantages and Disadvantages of Chain Drive Over Belt or Rope Drive topic in division Belt, Rope and Chain Drives of Machine Kinematics

1 Answer

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by (106k points)
The correct answer is (b) 17

The explanation: In order to have smooth operation, the minimum number of teeth on the smaller sprocket or pinion may be taken as 17 for moderate speeds and 21 for high speeds.

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