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

Band brake
Band and block brake
Internal expanding brake
Shoe brake

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Machine Design
An open belt drive is used when

Shafts are arranged at right angles and rotate in one definite direction
Shafts are arranged parallel and rotate in the same directions
Driven shaft is to be started or stopped whenever desired without interfering with the driving shaft
Shafts are arranged parallel and rotate in the opposite directions

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Machine Design
Form coefficient of spring is

Its capability of storing energy
Load required to produce unit deflection
Concerned with strength of wire of spring
Ratio of coil diameter to wire diameter

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