Interview question based on skill :
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Total Questions: 20
1. Which of the following is not the essential structural requirement of an elastomer?
Correct Answer is : Rigidity in structure
2. Natural rubber is
Correct Answer is : Poly isoprene
3. The structural formula of isoprene is
Correct Answer is : 2-methyl-1,3-butadiene
4. Select the incorrect statement from the following option.
Correct Answer is : Raw rubber is durable
5. In the vulcanisation process, the raw rubber is heated with
Correct Answer is : Sulphur
6. Conveyor belts are made by _______
Correct Answer is : BUNA – N
7. BUNA – N is used in the auto mobiles because of its _______
Correct Answer is : Light weight
8. __________ are used in the air crafts.
Correct Answer is : Fibre rein forced plastics
9. The fibre rein forced plastics has ____________ cost of production.
Correct Answer is : Low
10. Which of the following is the example of the polysaccharides?
Correct Answer is : Cellulose
11. The crystallinity in Polyhydroxy alkanoates is lie in the range of__________
Correct Answer is : 0.7
12. The glass transition temperature of poly lactic acid is __________
Correct Answer is : 60-65oC
13. Which of the following is made by the poly lactic acid?
Correct Answer is : Screws
14. Catering is done by the ________
Correct Answer is : MATER BI
15. Poly vinyl acetate is soluble in the water.
Correct Answer is : TRUE
16. Poly vinyl acetate is used in _________
Correct Answer is : Food industry
17. For making compostable packing material _______ is used.
Correct Answer is : Poly lactic acid
18. Diaper are made by __________
Correct Answer is : Poly lactic acid
19. The conductivity of the conducting polymers increases with __________
Correct Answer is : Increase in temperature
20. ____________ are used for the electron beam lithography.
Correct Answer is : Conducting polymers
