Mechanical Engineering - Engineering Mechanics - Discussion


The velocity ratio of a simple wheel and axle with D and d as the diameters of effort wheel and load axle, is

[A]. D + d
[B]. D - d
[C]. D x d
[D]. D / d

Answer: Option D


No answer description available for this question.

Joseph Dada said: (Jun 3, 2017)  
Velocity ratio = Load moved by load/Distance moved by Effort
= Circumference of Wheel/Circumference of Axle = D/d.

S.Gaurav said: (Nov 19, 2018)  
Right, Thanks @Joseph.

Amir Korai said: (May 10, 2019)  
I think v.r= distance moved by effort/ distance moved by load
= circumference of the wheel/ circumference of axel.

Bivash Mahato said: (Jul 7, 2019)  
VR=dist move by effort/dist move by the load.

Ranjeet said: (Jul 24, 2020)  
Thanks @Joseph Dada.

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