Polymer Technology Mcqs

This set of Engineering Multiple Choice Questions & Answers (MCQs) focuses on “ Polymer Technology ”. These Mcqs are chosen from a collection of most authoritative and best reference books on Chemical Engineering. Our aim is to prepare an individual for competitive exams like NTS, GAT, ECAT, University and College entrance exams, Jobs and interviews. One should practice our MCQS to assimilate Polymer Technology comprehensively.

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1.
Which of the following natural bio polymers are formed as a result of polymerisation of amino-acids ?

Starch

Cellulose

Proteins

Nucleic acids

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3.
_______________ practically possess no elasticity?

Vulcanite or ebonite

Spandex fibre

Polysulphide rubber

Epoxy resin

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4.
Low pressure Zeigler process of polythene manufacture____________________?

Employs a pressure of 30 kgf/cm2

Achieves an yield of 95-98% based on ethylene

Produces very low density polythene

Does not use any catalyst for polymerisation

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5.
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?

Thermoplastic

Thermosetting

Elastometric

Brittleness

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6.
Thermoplastic resins usually____________________?

Remain hard as long as they are hot

Cannot be reclaimed from waste

Permanent setting resins

Less brittle than thermosetting resins

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7.
Cation exchange resins (0.3 to 1 mm size) used in water treatment is prepared from ______________ resins?

Epoxy

Phenol formaldehyde

Urea formaldehyde

Melamine formaldehyde

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9.
Glyptal used in the manufacture of paints & lacquers is a _____________ polymer?

Polyamide

Polystyrene

Polyester

Polyacrylonitrile

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10.
Temperature and gage pressure maintained during the manufacture of hot SBR (styrene butadiene rubber) are____________________?

50°C and 3 – 4 kg/cm2

50°C and 1 kgf/cm2

250°C and 10 kgf/cm2

250°C and 1 kgf/cm2

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11.
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 ?

Carbon

Alkylated diphenyl amine

Thiokol

Magnesium

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12.
Acrylonitrile-butadiene-styrene (ABS) copolymer, which is produced by blending styreneacrylonitrile copolymer with butadiene based elastomer, is a/an__________________?

Rigid foam

Engineering plastic

Thermosetting polymer

Spongy rubber

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13.
Perspex can be used as a substitute of glass. Its monomer is__________________?

Methyl methacrylate

DMT

Butadiene

Tetrafluoroethylene

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14.
Condensation polymerisation of formaldehyde with _____________ does not produce phenolic resin?

Resorcinol

Phenol

Para-cresol

Melamine

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15.
The monomer for the production of neoprene rubber is_________________?

Acetylene

Chloroprene

Isoprene

None of these

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