Q:

The normal circular pitch of two helical gears in a mesh is 7 mm. If the number of teeth on the smaller gear is 22 and the gear ratio is 2, find the pitch diameters of the gears. Ψ₁ = 40° and Ψ₂ = 25°.

A) 83.01 mm, 109.93 mm B) 63.99 mm, 108.17 mm
C) 85.34 mm, 96.32 mm D) 79.12 mm, 100.13 mm
 

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