SSC JE Mechanical Engineering 2012 Paper

Question : 174 of 200

Marks: +1, -0

From the Lewis equation F

_b

= f.p.y.b, the strength factor of the gear is given by the product

Solution:

From Lewis Equation

F_b= \f_p .b. y

f .y =

Known as strength factor
where
f – bending stress
b – face width
p – Module =

D/T

y = lewis factor

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