Chemical Engineering - Polymer Technology

1. 

Which of the following is the lowest cost plastic commercially available ?

A. Polythene
B. Teflon
C. Bakelite
D. PVC

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

2. 

Thermosetting plastic materials

A. can be repeatedly melted.
B. is useful for melt casting.
C. can not be melted after forming.
D. is useful for spinning.

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

3. 

Terylene is a/an

A. addition polymer
B. poly amide
C. homopolymer
D. none of these

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

4. 

Rayon is a __________ fibre.

A. cellulosic
B. polyamide
C. polyester
D. natural

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

5. 

Commercial production of polypropylene employs __________ polymerisation.

A. emulsion
B. suspension
C. solution
D. bulk

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

1 2 3 4 5 6 7 8 9 10 Next »