Machine Design
A type of brake commonly used in motor cars is a

Internal expanding brake
Band brake
Shoe brake
Band and block brake

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

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