Machine Design
Lewis equation in gears is used to find the

Tensile stress in bending
Fatigue stress
Shear stress
Compressive stress in bending

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Machine Design
A compound belt drive is used when

Shafts are arranged parallel and rotate in the opposite directions
None of these
Shafts are arranged at right angles and rotate in one definite direction
Shafts are arranged parallel and rotate in the same directions

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