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Online Chemical Engineering Test - Polymer Technology Test

Instruction:
  • This is a FREE online test. Beware of scammers who ask for money to attend this test.
  • Total number of questions: 20.
  • Time allotted: 30 minutes.
  • Each question carries 1 mark; there are no negative marks.
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  • All the best!

Marks : 2/20

Total number of questions
20
Number of answered questions
0
Number of unanswered questions
20
Test Review : View answers and explanation for this test.
1.
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 ?
Bakelite (phenol formaldehyde)
Polyester
Polythene
Nylon-6
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2.
__________ tubes are good substitude for human blood vessels onrheart by-pass operation.
PVC
Polythene
Teflon/dacron
Polystyrene
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3.
__________ is a homopolymer.
Neoprene
Bakelite
Nylon-66
Terylene
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4.
Antioxidants are added to rubber to protect it from the attack of light, heat & atmospheric ozone. Which of the following is an antioxident used in rubber ?
Carbon
Alkylated diphenyl amine
Thiokol
Magnesium
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5.
Which of the following is stretched into fibres ?
Saturated polyester
Unsaturated polyester
Isoprene
Bakelite
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6.
Condensation polymerisation is not involved in the manufacture of
teflon
polythene
terylene
nylon
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7.
Alkyd resin is a/an
polyamide
polyester
polyolefin
addition polymer
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8.
Polyhexamethylene adipimide is also known as
bakelite
nylon-66
epoxy resin
silicone rubber
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9.
Size range of polymer molecules varies from __________ metre.
10-2 to 10-5
10-4 to 10-7
10-1 to 10-2
10-8 to 10-10
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10.
Which of the following rubbers has the widest service temperature range (-75 to 275°C) ?
Butyl rubber
Silicon rubber
Nitrile rubber
Silicone rubber
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11.
Gutta parcha rubber is
soft & tacky at room temperature.
an isomer of natural rubber.
a thermosetting resin.
recovered by coagulation of rubber latex.
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12.
Elastomers are
thermosetting material.
exemplified by protein derivatives.
having high flexural strength.
having very high tensile strength and heat resistance.
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13.
Polyvinyl alcohol is used as a
cation/anion exchanger.
water soluble adhesive.
textile fibre.
non-sticky coating on frying pans.
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14.
__________ polymer is used for making unbreakable crockery.
Thermoplastic
Melamine
Addition
none of these
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15.
Polymers are
micromolecules
macromolecules
sub-micromolecules
none of these
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16.
Adipic acid is an intermediate in the manufacture of
perspex
nylon-66
polystyrene
bakelite
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17.
Which of the following is the lowest cost plastic commercially available ?
Polythene
Teflon
Bakelite
PVC
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18.
A chain growth polymerisation reaction consists of three different types of reaction namely initiation reaction, propagation reaction & termination reaction. Chain growth polymerisation reaction is not involved in the manufacture of
siloxane elastomers.
polyamides.
vinyl polymers.
urea-formaldehyde resins.
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19.
Poly Vinyl chloride (PVC) is a __________ material.
thermoplastic
thermosetting
fibrous
chemically active
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20.
Hot drink (e.g, tea) cups are usually made of
polystyrene
polythene
polypropylene
PVC
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