When a closely coiled helical spring is subjected to a couple about its axis, the stress induced in the wire material of the spring is

A combination of torsional shear stress and bending

A combination of bending stress and direct shear stress

When a closely coiled helical spring is subjected to a couple about i

1.	When a closely coiled helical spring is subjected to a couple about its axis, the stress induced in the wire material of the spring is
A.	Bending stress only
B.	A combination of torsional shear stress and bending
C.	Direct shear stress only
D.	A combination of bending stress and direct shear stress
Answer» B. A combination of torsional shear stress and bending

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When a closely coiled helical spring is subjected to a couple about its axis, the stress induced in the wire material of the spring is

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