Find the helix angle of the worm if the pitch of the worm gear is 12 – McqOptions

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1.	Find the helix angle of the worm if the pitch of the worm gear is 12 mm and the pitch diameter is 50 mm.
A.	8.687°
B.	11.231°
C.	9.212°
D.	10.319°
Answer» B. 11.231°

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