Lewis equation in gears is used to find the
A. Tensile stress in bending
B. Shear stress
C. Compressive stress in bending
D. Fatigue stress
Answer: Option C
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Lewis equation is used to find the failure of Gears under load. As the brittle material fail due to compressive loading unlike Ductile material which fail under tensile load. Gears are brittle hence the option C.
a and c