Machine Design
The creep in the belt is due to

Effect of temperature on belt
Unequal extensions in the belt due to tight and slack side tensions
Material of belt
Stresses beyond elastic limit of belt material

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Machine Design
In case of thick cylinders, the tangential stress across the thickness of cylinder is

Maximum at the inner surface and minimum at the outer surface
Maximum at the inner surface and zero at the outer surface
Maximum at the outer surface and zero at the inner surface
Maximum at the outer surface and minimum at the inner surface

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