1.
Body centered cubic structure has an atomic packing factor equal to

2.
In which type of point defect, positive and negative ions are missing from the crystal?

3.
What is meant work hardening process?

4.
What are thermoplastics?

5.
What happens when thermosetting polymers are heated?

6.
Which among the following is the characteristics of polymers?

7.
How is Ester produced?

8.
Which among the following is a type of destructive test?

9.
What is meant by resilience in stress strain curve?

10.
Non-destructive testing is used to determine