Polymer Technology Quiz 1
1 / 50
Neoprene is the trade name of_________?
2 / 50
In nylon-66, the first and second numbers (i.e., 6) respectively designate the number of carbon atoms present in the__________?
3 / 50
Condensation polymerisation of ______ produces Bakelite?
4 / 50
Cation exchange resins used in water treatment is made from ______ resin?
5 / 50
Automobile steering wheels are normally made of___________?
6 / 50
Maximum consumption of polymers is in_____?
7 / 50
Perspex can be used as a substitute of glass. Its monomer is___________?
8 / 50
Main constituent of cotton fiber is ___________?
9 / 50
_____ polymer is used for making unbreakable crockery?
10 / 50
______ is not a polyester fiber?
11 / 50
Fillers such as zinc oxide and carbon black are added to the crude natural rubber before vulcanisation in order to improve its__________?
12 / 50
Acrylonitrile-butadiene-styrene (ABS) copolymer, which is produced by blending styreneacrylonitrile copolymer with butadiene based elastomer, is a/an___________?
13 / 50
Non sulphonated hard bakelites are not used for making _________?
14 / 50
_______are produced by reacting polybasic acid (e.g. Phthalic anhydride) with polyhydric alcohol (e.g., glycerol) ?
15 / 50
Epoxy resins (i.e., epoxide polymers) ?
16 / 50
Alkyd resin e.g., glyptal resin formed by Phthalic anhydride and glycerine is not used________?
17 / 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?
18 / 50
Celluloid is___________?
19 / 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__________?
20 / 50
A copolymer of vinyl and vinylidene chloride is called_______?
21 / 50
Nylon-6 as compared to nylon-66 is__________?
22 / 50
Out of all the elastomers, natural rubber has the longest elongation range & flexibility of the order of ________ percent?
23 / 50
Nylon-6 is manufactured from ________?
24 / 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?
25 / 50
________ practically possess no elasticity?
26 / 50
Mastication of rubber means________?
27 / 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?
28 / 50
Glyptal used in the manufacture of paints & lacquers is a ______ polymer?
29 / 50
Orion is__________?
30 / 50
Molecular weights of plastics ranges from________?
31 / 50
Addition polymerisation is not involved in the manufacture of________?
32 / 50
Addition of stabiliser during PVC manufacture is done to_________?
33 / 50
Pick out the wrong statement ?
34 / 50
Poly-methyl-methacrylate (PMMA) is known as________?
35 / 50
Nylon-6 as compared to nylon 66 has lower ?
36 / 50
Low pressure Zeigler process of polythene manufacture______?
37 / 50
Cation exchange resins (0.3 to 1 mm size) used in water treatment is prepared from _______ resins?
38 / 50
Buna-S is a ________ material?
39 / 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 ?
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
Epoxy resin is a polymer containing two or more groups of the bellow fig. is called epoxide group or ethoxyline group. It is a ________?
42 / 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 ?
43 / 50
Orlan fibre which is used as a wool substitute is ___________?
44 / 50
Condensation polymerisation of formaldehyde with ______ does not produce phenolic resin?
45 / 50
_______ resins are produced by the condensation polymerisation of formaldehyde with urea or melamine?
46 / 50
Identify the group in which all the polymers mentioned can be used to make fibres ?
47 / 50
Neoprene is rendered non-inflammable, because of_______?
48 / 50
Amino resins are used in paper treatment to improve its___________?
49 / 50
Caprolactam, a raw material for the manufacture of nylon-6, is produced from________?
50 / 50
Pick out the wrong statement regarding the solubility characteristics of high polymers?
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