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A chain is used for speed reduction from 240 rpm to 110 rpm. The number of teeth on driving sprocket is 22. The centre to centre distance between 2 sprockets is 540 mm and pitch circle diameter of driven sprockets is 480 mm. determine number of teeth on driven sprockets.

(a) 48

(b) 50

(c) 52

(d) 54

I had been asked this question during an interview for a job.

This interesting question is from Mechanical Power Transmission topic in chapter Mechanical Power Transmission of Farm Machinery

1 Answer

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Right answer is (a) 48

To explain: \(\frac{N1}{N2} = \frac{T2}{T1} \)

T2 = \(\frac{240*2}{110}\) = 48.

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