1.

If D = Pitch circle diameter and T = Number of teeths on gear, then the module of spur gear is defined as:

A. \(\frac{D}{T}\)
B. \(\frac{T}{D}\)
C. \(\frac{{\pi D}}{T}\)
D. \(D{\rm{ }} ~ \times \;T\)
Answer» B. \(\frac{T}{D}\)


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