The lead angle of a worm is 22.5°. Its helix angle will be

1.	The lead angle of a worm is 22.5°. Its helix angle will be
A.	22.5°
B.	45°
C.	67.5°
D.	90°
Answer» D. 90°

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The lead angle of a worm is 22.5°. Its helix angle will be

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