Pick up the correct statement from the following?

A. The pitch of a close coil spring, is very small

B. A wire wound in spiral form, is called a helical spring

C. All the above

D. The angle made by the coil with horizontal, is called the angle of helix

Be the first to comment if anything wrong with this mcq
Your comment successfully submitted!
It will automatically posted after review and approval by our staff member.