Machine Design
When the speed of belt increases,

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

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Machine Design
The plasticity is the property of a material which enables it to

Regain its original shape after deformation when the external forces are removed
Resist fracture due to high impact loads
Draw into wires by the application of a tensile force
Retain deformation produced under load permanently

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