Machine Design
When the speed of belt increases,

The power transmitted will decrease
The coefficient of friction between the belt and pulley increases
The coefficient of friction between the belt and pulley decreases
The power transmitted will increase

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Machine Design
A compound belt drive is used when

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

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Machine Design
The flank of the tooth is the

Surface of the tooth above the pitch surface
Width of the tooth measured along the pitch circle
Surface of the top of the tooth
Surface of the tooth below the pitch surface

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