ELASTICITY - Quiz

1) Which is elastic material?

Nylon Polystyrenes Celluloid Polycarbonates

2) Which is thermo plastic material?

Butyl rubber Nylon Neoprene Vinyl polymers

3) What is the maximum percentage of stretch of its original length is allowable for elastic materials?

100% 200% 300% 400%

4) What is the ratio between the change in dimension to its original dimension of the substance?

Stress Strain Poisson's ratio Factor of safety

5) What is the unit of strain?

Kg/cm² Newton/metre² Metre No unit