A close coil helical spring when subjected to a moment M having its axis along the axis of the helix

Its mean diameter will decrease

It is subjected to pure bending

Its number of coils will increase

A close coil helical spring when subjected to a moment M having its a

1.	A close coil helical spring when subjected to a moment M having its axis along the axis of the helix
A.	It is subjected to pure bending
B.	Its mean diameter will decrease
C.	Its number of coils will increase
D.	All the above
Answer» B. Its mean diameter will decrease

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A close coil helical spring when subjected to a moment M having its axis along the axis of the helix

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