Polymer Technology MCQs

Option A: Coated fabrics

Option B: Front wheel tyres of aeroplanes (i.e., heavy duty tyres)

Option C: Gaskets

Option D: Soles of shoes

Correct Answer: Front wheel tyres of aeroplanes (i.e., heavy duty tyres) ✔

Option A: Extrusion

Option B: Mastication

Option C: Calendaring

Option D: Vulcanisation

Correct Answer: Calendaring ✔

Option A: Carbon atoms in the ring

Option B: Carbon atoms in the linear polymer chain

Option C: Nitrogen atoms in the ring

Option D: Hydrogen atoms in the ring

Correct Answer: Carbon atoms in the linear polymer chain ✔

Option A: Saturated polyester

Option B: Polyurethane

Option C: Polystyrene

Option D: Either B. or C.

Correct Answer: D. Either B. or C. ✔

Option A: Employs addition polymerisation

Option B: Employs condensation polymerisation

Option C: Is a monomer

Option D: Is an abrasive material

Correct Answer: Employs condensation polymerisation ✔

Option A: Bakelite

Option B: Melamine polymer

Option C: Poly-methyl-methacrylate (PMMA)

Option D: None of these

Correct Answer: Poly-methyl-methacrylate (PMMA) ✔

Option A: Nylon

Option B: Polyacrylonitrile

Option C: Polypropylene

Option D: Polyester

Correct Answer: Polyacrylonitrile ✔

Option A: Catalytic dehydrogenation of ethyl benzene

Option B: Dehydration of ethyl alcohol followed by hydrogenation

Option C: Reacting ethylene oxide with acetaldehyde

Option D: Fermentation of starch

Correct Answer: Catalytic dehydrogenation of ethyl benzene ✔

Option A: High density

Option B: Low density

Option C: Cross-linked

Option D: Linear low density

Correct Answer: High density ✔

Option A: Micro-molecules

Option B: Macromolecules

Option C: Sub-micromolecules

Option D: None of these

Correct Answer: Macromolecules ✔

Option A: Are cross-linked molecules

Option B: Soften on application of heat

Option C: Are solvent soluble

Option D: None of these

Correct Answer: Are cross-linked molecules ✔

Option A: Polyisoprene

Option B: Neoprene

Option C: Nitrile-butadiene

Option D: None of these

Correct Answer: None of these ✔

Option A: 85

Option B: 135

Option C: 165

Option D: 205

Correct Answer: 135 ✔

Option A: Teflon

Option B: Nylon-66

Option C: Dacron

Option D: Polystyrene

Correct Answer: Teflon ✔

Option A: Bulk polymerisation

Option B: Suspension polymerisation

Option C: Solution polymerisation

Option D: Emulsion polymerisation

Correct Answer: Emulsion polymerisation ✔

Option A: Perspex

Option B: Nylon-66

Option C: Polystyrene

Option D: Bakelite

Correct Answer: Nylon-66 ✔

Option A: Polyamide

Option B: Thermosetting resin

Option C: Polyester

Option D: None of these

Correct Answer: Polyamide ✔

Option A: Polymethyl methacrylate (PMMA)

Option B: Polytetrafluroethylene (PTFE)

Option C: Polycarbonates

Option D: Phenolic resins

Correct Answer: Polymethyl methacrylate (PMMA) ✔

Option A: Teflon

Option B: Bakelite

Option C: SBR

Option D: PVC

Correct Answer: PVC ✔

Option A: Emulsion

Option B: Suspension

Option C: Solution

Option D: Bulk

Correct Answer: Solution ✔

Option A: Hexamethylene diamine and adipic acid

Option B: Adipic acid and methyl amine

Option C: Vinyl chloride and formaldehyde

Option D: None of these

Correct Answer: Hexamethylene diamine and adipic acid ✔

Option A: Rosin

Option B: Shellac

Option C: Amber

Option D: Copal

Correct Answer: Shellac ✔

Option A: Nylon-66

Option B: Teflon

Option C: Polyester

Option D: Bakelite

Correct Answer: Teflon ✔

Option A: Soft & tacky at room temperature

Option B: An isomer of natural rubber

Option C: A thermosetting resin

Option D: Recovered by coagulation of rubber latex

Correct Answer: An isomer of natural rubber ✔

Option A: Polyamide

Option B: Unsaturated polyesters

Option C: Saturated polyesters

Option D: Polyacrylonitrile

Correct Answer: Unsaturated polyesters ✔

Option A: 10

Option B: 20

Option C: 50

Option D: 85

Correct Answer: 50 ✔

Option A: Does not produce linear polymers

Option B: Produces only thermoplastic material

Option C: Produces epoxy polymers

Option D: Does not need any catalyst

Correct Answer: Produces epoxy polymers ✔

Option A: Terylene

Option B: Polybutadiene

Option C: PVC

Option D: Polypropylene

Correct Answer: Terylene ✔

Option A: PTFE

Option B: Buna-S

Option C: PMMA

Option D: Polycaprolactam

Correct Answer: Buna-S ✔

Option A: Chain length

Option B: Intermolecular forces

Option C: Both A. and B.

Option D: None of these

Correct Answer: C. Both A. and B. ✔

Option A: Adipic acid and Hexamethylene diamine

Option B: Caprolactam

Option C: Maleic anhydride and Hexamethylene diamine

Option D: Dimethyl terephthalate (DMT) and ethylene glycol

Correct Answer: Adipic acid and Hexamethylene diamine ✔

Option A: Dacron

Option B: Teflon

Option C: Bakelite

Option D: Celluloid

Correct Answer: Teflon ✔

Option A: 0.38

Option B: 0.56

Option C: 0.81

Option D: 0.91

Correct Answer: 0.91 ✔

Option A: -20 to 25

Option B: 50 to 75

Option C: 100 to 150

Option D: 250-280

Correct Answer: 250-280 ✔

Option A: Improving the stretchability

Option B: Dyeing/colouring

Option C: Detergent solution washing

Option D: Glycol soaking

Correct Answer: Detergent solution washing ✔

Option A: The monomers are unsaturated compounds

Option B: No co-product is lost

Option C: The monomers contain two functional groups

Option D: Generally only one monomer is involved

Correct Answer: The monomers contain two functional groups ✔

Option A: Moulded articles

Option B: Fibres

Option C: Adhesives

Option D: All A., B. & C.

Correct Answer: Moulded articles ✔

Option A: Soluble in all organic solvents

Option B: More brittle

Option C: Formed by addition polymerisation only

Option D: Easily reshaped & reused

Correct Answer: More brittle ✔

Option A: Perspex

Option B: Lucite

Option C: Plexiglass

Option D: Teflon

Correct Answer: Teflon ✔

Option A: Viscose rayon

Option B: Acrylic

Option C: Polyvinyl acetate

Option D: Saturated polyester

Correct Answer: Saturated polyester ✔

Option A: Electrical insulation purpose

Option B: Tanning of leather

Option C: Strengthening of plaster of Paris

Option D: Decorative laminates

Correct Answer: Strengthening of plaster of Paris ✔

Option A: Trichloroethylene

Option B: Vinyl chloride

Option C: Ethanol amine

Option D: Ethylene oxide

Correct Answer: Vinyl chloride ✔

Option A: Densities

Option B: Melting point

Option C: Tensile strength

Option D: Hardness, rigidity & brittleness

Correct Answer: Hardness, rigidity & brittleness ✔

Option A: Aluminium triethyl activated with TiCl4

Option B: Platinum

Option C: Molybdenum

Option D: Nickel

Correct Answer: Aluminium triethyl activated with TiCl4 ✔

Option A: 7 kgf/cm2 and 70 °C

Option B: 1000 kgf/cm2 and 100°C

Option C: 7 kgf/cm2 and 700°C

Option D: 1 kgf/cm2 (gage) and 70°C

Correct Answer: 7 kgf/cm2 and 70 °C ✔

Option A: Thermosetting material

Option B: Exemplified by protein derivatives

Option C: Having high flexural strength

Option D: Having very high tensile strength and heat resistance

Correct Answer: Having high flexural strength ✔

Option A: Polyolefins

Option B: Polyamide

Option C: Polyacrylate

Option D: Polyurethane

Correct Answer: Polyamide ✔

Option A: In making PVC

Option B: As plasticisers

Option C: In insecticides manufacture

Option D: For making nylon-6

Correct Answer: As plasticisers ✔

Option A: Polyvinyl alcohol

Option B: Polyvinyl acetate

Option C: Polyvinyl butyral

Option D: PVC

Correct Answer: Polyvinyl butyral ✔

Option A: Nylon-66

Option B: Nylon-6

Option C: Teflon

Option D: SBR

Correct Answer: Nylon-6 ✔

Option A: Acrylic

Option B: Polyester

Option C: Nylon 6:6

Option D: Polypropylene

Correct Answer: Acrylic ✔

Option A: PVC

Option B: Silicone rubber

Option C: Polyurethanes

Option D: Polyamides

Correct Answer: Polyurethanes ✔

Option A: Nucleic acids e.g. RNA and DNA

Option B: Polysaccharides

Option C: Polyisoprene

Option D: Polyurethane

Correct Answer: Polyurethane ✔

Option A: Wool

Option B: Silk

Option C: Cotton

Option D: None of these

Correct Answer: Wool ✔

Option A: Deforms, if stretched to double of its original dimension

Option B: Is brittle at low temperature

Option C: Is softer at higher temperature

Option D: Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases

Correct Answer: Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases ✔

Option A: Cellulose

Option B: Dacron

Option C: Nylon-6

Option D: None of these

Correct Answer: Cellulose ✔

Option A: Softness

Option B: Oxidation resistance

Option C: Weight & strength

Option D: Elasticity & water solubility

Correct Answer: Softness ✔

Option A: Teflon

Option B: Bakelite

Option C: Polyester

Option D: Nylon-66

Correct Answer: Bakelite ✔

Option A: Elasticity

Option B: Plasticity

Option C: Ductility

Option D: None of these

Correct Answer: Plasticity ✔

Option A: PVC

Option B: Polythene

Option C: Bakelite

Option D: Polystyrene

Correct Answer: Bakelite ✔

Option A: Nylon-6

Option B: Nylon-66

Option C: Nylon-6, 10

Option D: Epoxy resin

Correct Answer: Nylon-6 ✔

Option A: Melamine formaldehyde resin

Option B: Phenolic resin

Option C: Epoxy resin

Option D: Alkyd resin

Correct Answer: Melamine formaldehyde resin ✔

Option A: Ethylene glycol

Option B: Stearic acid estors

Option C: Tricresyl phosphate

Option D: Esters of phthalic acid

Correct Answer: Ethylene glycol ✔

Option A: Orlon

Option B: Nylon-66

Option C: Nylon-6

Option D: Saran

Correct Answer: Nylon-6 ✔

Option A: Thermoplastic

Option B: Thermosetting

Option C: Fibrous

Option D: Chemically active

Correct Answer: Thermoplastic ✔

Option A: Compression

Option B: Injection

Option C: Transfer

Option D: Extrusion

Correct Answer: Transfer ✔

Option A: Acrylic

Option B: Spandex

Option C: Synthetic

Option D: Natural

Correct Answer: Natural ✔

B. Isoprene
C. 2 methyl-1 propane
D. Both B. and C.

Correct Answer: D. Both B. and C. ✔

Option A: Ethyl alcohol

Option B: Ethylene

Option C: Both A. & B.

Option D: Neither A. nor B.

Correct Answer: C. Both A. & B. ✔

Option A: Copolymerisation

Option B: Addition polymerisation

Option C: Chain polymerisation

Option D: None of these

Correct Answer: Copolymerisation ✔

Option A: Nitrile

Option B: Silicone

Option C: Neoprene

Option D: Butyl

Correct Answer: Butyl ✔

Option A: Filaments

Option B: Pipes

Option C: Buckets

Option D: Tubings

Correct Answer: Buckets ✔

Option A: Impart flexibility

Option B: Improve workability during fabrication

Option C: Develop new improved properties not present in the original resin

Option D: All A., B. and C.

Correct Answer: D. All A., B. and C. ✔

Option A: Blow moulding

Option B: Vacuum thermo forming

Option C: Injection moulding

Option D: None of these

Correct Answer: Vacuum thermo forming ✔

Option A: Protect rubber goods from attack by oxygen & ozone present in the atmosphere

Option B: Reduce its viscosity to permit easier processing

Option C: Reduce the time of vulcanisation and quantity of vulcanising agent

Option D: Increase its viscosity

Correct Answer: Reduce its viscosity to permit easier processing ✔

Option A: Polystyrene

Option B: Polyisoprene

Option C: Polybutadiene

Option D: Poly chloroprene

Correct Answer: Polyisoprene ✔

Option A: Polypropylene

Option B: PVC

Option C: Polythene

Option D: Polyvinyl acetate

Correct Answer: PVC ✔

Option A: PMMA

Option B: Polyacrylonitrile

Option C: Poly Ethyl acrylate

Option D: None of these

Correct Answer: None of these ✔

Option A: Plastics are good conductors of heat and electricity

Option B: All the polymers are highly crystalline in nature

Option C: Polymers can be vaporised by heating to a very high temperature

Option D: The liquid polymer becomes greasy, then waxy and finally solid on increasing the degree of

Correct Answer: D. The liquid polymer becomes greasy, then waxy and finally solid on increasing the degree of
polymerisation ✔

Option A: Cellulose nitrate

Option B: Regenerated cellulose nitrate

Option C: Regenerated cellulose acetate

Option D: None of these

Correct Answer: None of these ✔

Option A: Higher melting point

Option B: Higher tensile strength

Option C: Lower density

Option D: None of these

Correct Answer: Lower density ✔

Option A: Bakelite

Option B: Epoxy resin

Option C: Polythene

Option D: None of these

Correct Answer: Polythene ✔

Option A: PVC

Option B: Bakelite

Option C: Polythene

Option D: Teflon

Correct Answer: Bakelite ✔

Option A: A thermosetting material

Option B: A condensation polymerisation product

Option C: Made by employing emulsion polymerisation

Option D: None of these

Correct Answer: Made by employing emulsion polymerisation ✔

Option A: Nylon-6

Option B: Dacron

Option C: Polyester

Option D: PVC

Correct Answer: Dacron ✔

Option A: Epoxy resin

Option B: Polyamide

Option C: Alkyd resin

Option D: Phenolic resin

Correct Answer: Alkyd resin ✔

Option A: Polybutadiene

Option B: Styrene butadiene rubber (SBR)

Option C: Polyurethane

Option D: Poly chloroprene

Correct Answer: Poly chloroprene ✔

Option A: Tensile strength

Option B: Chemical resistance

Option C: Flexibility

Option D: All A., B. & C.

Correct Answer: Flexibility ✔

Option A: Dacron

Option B: Nylon

Option C: Cellulose

Option D: None of these

Correct Answer: Cellulose ✔

Option A: Cellulose

Option B: Lignin

Option C: Pentogens

Option D: None of these

Correct Answer: None of these ✔

Option A: Polyester

Option B: Unsaturated polyester

Option C: Polyamide

Option D: Inorganic polymer

Correct Answer: Polyester ✔

Option A: Polyurethane

Option B: Silicone rubber

Option C: Teflon

Option D: Epoxy resin

Correct Answer: Teflon ✔

Option A: Cold SBR

Option B: Butyl rubber

Option C: Bunai N

Option D: Buna S

Correct Answer: Butyl rubber ✔

Option A: Highly vulcanised rubber

Option B: Natural rubber

Option C: Unvulcanised raw rubber

Option D: Adhesive

Correct Answer: Highly vulcanised rubber ✔

Option A: -5

Option B: 10-30

Option C: 250-280

Option D: 500-600

Correct Answer: 250-280 ✔

Option A: High density polyethylene (HDPE)

Option B: Low density polyethylene (LDPE)

Option C: Polypropylene

Option D: Unsaturated polyester

Correct Answer: Low density polyethylene (LDPE) ✔

Option A: Teflon

Option B: PTFE

Option C: SBR

Option D: Polycrylates

Correct Answer: SBR ✔

Option A: Terylene

Option B: Nylon-66

Option C: PVC

Option D: Polystyrene

Correct Answer: Terylene ✔

Option A: Polystyrene

Option B: Nylon

Option C: PVC

Option D: None of these

Correct Answer: PVC ✔

Option A: Bakelite

Option B: Teflon

Option C: Perspex

Option D: PVC

Correct Answer: Teflon ✔