Polymer Technology Quiz 1

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Polymer Technology Quiz 1

1 / 50

Cation exchange resins (0.3 to 1 mm size) used in water treatment is prepared from _______ resins?

2 / 50

Molecular weights of plastics ranges from________?

3 / 50

A copolymer of vinyl and vinylidene chloride is called_______?

4 / 50

______ is not a polyester fiber?

5 / 50

Neoprene is rendered non-inflammable, because of_______?

6 / 50

In case of dry spinning of polymers, the polymer solution in a volatile solvent is forced through the spinnerates into a warm air chamber, where the solvent evaporates leaving behind the polymer in the filament form. Dry spinning is used for ________ fibres?

7 / 50

Orlan fibre which is used as a wool substitute is ___________?

8 / 50

Orion is__________?

9 / 50

Condensation polymerisation of ______ produces Bakelite?

10 / 50

Pick out the wrong statement ?

11 / 50

Maximum consumption of polymers is in_____?

12 / 50

Amino resins are used in paper treatment to improve its___________?

13 / 50

Epoxy resins (i.e., epoxide polymers) ?

14 / 50

Addition polymerisation takes place either by a free radical mechanism or ionic mechanism depending on the reagents used. Free radical polymerisation is catalyzed by ________, which decompose to give free radicals?

15 / 50

Non sulphonated hard bakelites are not used for making _________?

16 / 50

Cross linked polymers formed from bi-and trifunctional groups in which cross-linkage in three dimensions via few chemical bonding across linear chains occur imparts to the polymer _______ properties?

17 / 50

Cation exchange resins used in water treatment is made from ______ resin?

18 / 50

Caprolactam, a raw material for the manufacture of nylon-6, is produced from________?

19 / 50

Poly-methyl-methacrylate (PMMA) is known as________?

20 / 50

Addition of stabiliser during PVC manufacture is done to_________?

21 / 50

Condensation polymerisation of formaldehyde with ______ does not produce phenolic resin?

22 / 50

Alkyd resin e.g., glyptal resin formed by Phthalic anhydride and glycerine is not used________?

23 / 50

Perspex can be used as a substitute of glass. Its monomer is___________?

24 / 50

Nylon-6 as compared to nylon 66 has lower ?

25 / 50

Out of all the elastomers, natural rubber has the longest elongation range & flexibility of the order of ________ percent?

26 / 50

Epoxy resin is a polymer containing two or more groups of the bellow fig. is called epoxide group or ethoxyline group. It is a ________?

27 / 50

_____ polymer is used for making unbreakable crockery?

28 / 50

Neoprene which is used for making shoe heels & belts is superior to natural rubber in its stability to aerial oxidation and resistance to oils & other solvents. The monomer used for making neoprene is__________?

29 / 50

Glyptal used in the manufacture of paints & lacquers is a ______ polymer?

30 / 50

In nylon-66, the first and second numbers (i.e., 6) respectively designate the number of carbon atoms present in the__________?

31 / 50

Mastication of rubber means________?

32 / 50

Neoprene is the trade name of_________?

33 / 50

Identify the group in which all the polymers mentioned can be used to make fibres ?

34 / 50

Celluloid is___________?

35 / 50

Fillers such as zinc oxide and carbon black are added to the crude natural rubber before vulcanisation in order to improve its__________?

36 / 50

Main constituent of cotton fiber is ___________?

37 / 50

________ practically possess no elasticity?

38 / 50

Nylon-6 is manufactured from ________?

39 / 50

_______are produced by reacting polybasic acid (e.g. Phthalic anhydride) with polyhydric alcohol (e.g., glycerol) ?

40 / 50

Antioxidants are added to rubber to protect it from the attack of light, heat & atmospheric ozone. Which of the following is an antioxidant used in rubber ?

41 / 50

Low pressure Zeigler process of polythene manufacture______?

42 / 50

Automobile steering wheels are normally made of___________?

43 / 50

Natural rubber is obtained from latex, which is a colloidal dispersion of rubber in water. Which of the following is used as a coagulant in latex ?

44 / 50

_______ resins are produced by the condensation polymerisation of formaldehyde with urea or melamine?

45 / 50

Pick out the wrong statement regarding the solubility characteristics of high polymers?

46 / 50

Acrylonitrile-butadiene-styrene (ABS) copolymer, which is produced by blending styreneacrylonitrile copolymer with butadiene based elastomer, is a/an___________?

47 / 50

In a cross linked polymer, the monomeric units are linked together to constitute a three dimensional network. Which of the following is a cross-linked polymer ?

48 / 50

Nylon-6 as compared to nylon-66 is__________?

49 / 50

Addition polymerisation is not involved in the manufacture of________?

50 / 50

Buna-S is a ________ material?

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