Question

If mean diameter of the coil 30mm and
wire diameter of spring 5mm, then Spring
Index is equal to _
25
35
6
5​

Answer 1

Given : mean diameter of the coil 30mm and wire diameter of spring 5mm

To Find : Spring Index

25

35

6

5​

Solution:

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

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

C = D/d

C = Spring index

D = mean diameter of spring

d = wire diameter of spring

mean diameter of spring  D  = 30 mm

wire diameter of spring  d = 5mm

C = D/d

Spring index  C =  30/5  = 6

Spring Index is   6

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Spring Index is equal to

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Answer 2

${ \red{ \bf{ Given: }}}$

Mean diameter of the coil 30mm and wire diameter of spring 5mm

${ \red{ \bf{ To\: Find \:Spring\: Index: }}}$

• 25
• 35
• 6
• 5

${ \red{ \bf{ Solution: }}}$

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

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

• C = D/d
• C = Spring index
• D = mean diameter of spring d = wire diameter of spring

mean diameter of spring D = 30 mm

wire diameter of spring d = 5mm

C = D/d

Spring index C = 30/5 = 6.

${ \red{ \bf{ Spring \: Index \: is \: 6}}}$