+1 vote
in Farm Machinery by (38.9k points)
Two pulleys are connected by a belt. The sum of the diameters of the pulleys is 92.6 cm and while one makes 50 rev/min the other make 200 rev/min. What will be the diameter of the pulleys?

(a) 18.53 cm, 74.07 cm

(b) 19.65 cm, 64.89 cm

(c) 20.01 cm, 78.09 cm

(d) 17.69 cm, 69.90 cm

I got this question in examination.

My doubt is from Power Transmission System in division Ignition and Power Transmission of Farm Machinery

1 Answer

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by (243k points)
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Best answer
Right answer is (a) 18.53 cm, 74.07 cm

The best I can explain: D1 + D2 = 92.6 cm

D1N1 = D2N2

50(92.6 – D2) = D2 * 200

D2 = 18.53 cm

D1 = 74.07 cm

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