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If uncompressed length of spring is 40mm and...

If uncompressed length of spring is 40mm and number of coils 10mm, then pitch of coil is?

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asked Jan 23 in Machine Design by Carter (89.5k points)

If uncompressed length of spring is 40mm and number of coils 10mm, then pitch of coil is?

(a) 4

(b) 40/9

(c) 40/11

(d) None of the mentioned

This question appeared by my colleague.

I am reviewing the Springs topic in Springs of Machine Design

machine design
springs

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1 Answer

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answered Feb 2 by Chris (52.6k points)

Right answer is (b) 40/9

Easy explanation: Pitch=Uncompressed length/N-1.

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