+1 vote
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in Machine Design by (89.5k points)
The axial deflection of spring for the small angle of θ is given by?

(a) 328PDᵌN/Gd⁴

(b) 8PDᵌN/Gd⁴

(c) 16PDᵌN/Gd⁴

(d) 8PD²N/Gdᵌ

I faced this question in my board exam.

This theoretical question is from the Design of Helical Springs in chapter Springs of Machine Design

1 Answer

0 votes
by (52.6k points)
The accurate choice is (b) 8PDᵌN/Gd⁴

Easy explanation: Deflection=θxD/2.

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