Pitch of helix is 7 mm and the number of revolutions is 15. Length of

1.	Pitch of helix is 7 mm and the number of revolutions is 15. Length of spring is?
A.	100 mm
B.	10.5 cm
C.	110 mm
D.	12 cm
Answer» C. 110 mm

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Pitch of helix is 7 mm and the number of revolutions is 15. Length of spring is?

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