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Polymer Technology - Section 1 (6)

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Polymer Technology - Section 1

Polymer technology is a field and there are many MCQs available on
polymer technology in this section which you can solve easily.

41. 

__________ tubes are good substitude for human blood vessels onrheart by-pass operation.

A. PVC
B. Polythene
C. Teflon/dacron
D. Polystyrene

Answer: Option C

Explanation:

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

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42. 

__________ resins are produced by the condensation polymerisation of formaldehyde with urea or melamine.

A. Epoxy
B. Amino
C. Alkyd
D. Phenolic

Answer: Option B

Explanation:

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43. 

Cellulose is the main contituent of most __________ fibres.

A. acrylic
B. spandex
C. synthetic
D. natural

Answer: Option D

Explanation:

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44. 

Plasticisers are added to synthetic plastics to

A. impart flexibility.
B. improve workability during fabrication.
C. develop new improved properties not present in the original resin.
D. all (a), (b) and (c).

Answer: Option D

Explanation:

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45. 

Lavatory cisterns are normally made of

A. expanded polystyrene
B. saturated polyester
C. perspex
D. PVC

Answer: Option A

Explanation:

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46. 

Neoprene is chemically known as

A. polybutandiene
B. styrene butadiene rubber (SBR)
C. polyurethane
D. poly chloroprene

Answer: Option D

Explanation:

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47. 

Buna-S is also known as

A. teflon
B. PTFE
C. SBR
D. polycrylates

Answer: Option C

Explanation:

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48. 

The monomer of poly vinyl chloride (PVC) is

A. chloroethene
B. ethylene dichloride
C. ethyl chloride
D. chloroform

Answer: Option A

Explanation:

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