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The external radius of the cone clutch is 120 mm and the internal radius is 80 mm. The cone angle is kept at 20°. What is the effective mean radius assuming the uniform wear theory?(a) 292 mm(b) 295 mm(c) 100 mm(d) 150 mmThis question was posed to me by my school principal while I was bunking the class.My doubt is from Transmission System topic in portion Chassis & Transmission System of Automobile Engineering

Answer» CORRECT answer is (a) 292 mm

The BEST explanation: ri = 80 mm, r0 = 120 mm and θ = 20°.Effective mean RADIUS = (ri + ro) / (2*Sin(θ)) = (80 + 120) / (2 * Sin(20°)) = 292.3 mm.


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