Machine Design - Mechanical Engineering Questions and Answers

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The velocity factor for precision metallic gears cut with high accuracy and operating at velocities upto 20 m/s is equal to

$\frac { 0.75 } { 0.75 + \sqrt{v} }$

$\frac { 3 } { 3 + \sqrt{v} }$

$\frac { 4.5 } { 4.5 + \sqrt{v} }$

$\frac { 6 } { 6 + \sqrt{v} }$

Answer : Option A

Explanation :

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