Machine Design
Pitch point of a cam is

Any point on the pitch circle
A point on the pitch curve having maximum pressure angle
A point on the pitch curve having minimum pressure angle
Any point on the pitch curve

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

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

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

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

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