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CSS Solved Papers
Physics Chemistry

Engineering :: Machine Design

  A triple threaded worm has a pitch diameter of 100 mm and an axial pitch of 22 mm. The lead angle will be
[A]. tan-1 0.21[B]. tan-1 0.22
[C]. tan-1 0.3[D]. tan-1 0.36
[E]. tan-1 0.66    

Answer: Option A
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