Question: 5 . A triple thread worm gear has a helix angle of 7 8 degrees. It has a pitch of ( 3 / 4

5. A triple thread worm gear has a helix angle of 78 degrees. It has a pitch of \(3/4\) in. Find the pitch diameter of the gear.
A.2.37 in
B.2.77 in
C.3.07 in
D.3.37 in

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