Polymers Multiple Choice Questions and Answers

1. Kevlar is commercial name for ................

1. Glass fibers
2. Carbon fibers
3. Aramid fibers
4. Cermets

2. One of characteristic properties of polymer material ...........

1. High temperature stability
2. High mechanical strengthHigh elongation
3. Low hardness

3. Polymers are ......... in nature.

1. Organic
2. Inorganic
3. Both (a) and (b)
4. None

4. Elastic deformation in polymers is due to .................

1. Slight adjust of molecular chains
2. Slippage of molecular chains
3. Straightening of molecular chains
4. Severe of Covalent bonds

5. These polymers can not be recycled:

1. Thermoplasts
2. Thermosets
3. Elastomers
4. All polymers

6. In general, strongest polymer group is .................

1. Thermoplasts
2. Thermosets
3. Elastomers
4. All polymers

7. These polymers consist of coil-like polymer chains:

1. Thermoplasts
2. Thermosets
3. Elastomers
4. All polymers

8. Strong covalent bonds exists between polymer chains in ...............

1. Thermoplasts
2. Thermosets
3. Elastomers
4. All polymers

9. The word polymer meant for material made from ?

1. Single entity
2. Two entities
3. Multiple entities
4. Any entity

10. Following is the unique to polymeric materials:

1. Elasticity
2. Viscoelasticity
3. Plasticity
4. None