Question

Question 7 :
The spring index (C) is ratio of
wire diameter / mean coil diameter
wire diameter x mean coil diameter
mean coil diameter / wire diameter
mean coil diameter/2​

Answer 1

The spring index (C) is ratio of mean coil diameter / wire diameter

Explanation:

Spring index is ratio between the mean diameter of a spring coil and the wire diameter of a spring.

Spring index = mean diameter of spring coil  / wire diameter of spring

C = D/d

C = Spring index

D = mean diameter of spring coil

d = wire diameter of spring

Learn More:

Spring Index is equal to

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f mean diameter of the coil 30mm

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