Polymer Technology MCQs

Option A: Sebacic acid

Option B: Terephthalic acid

Option C: Adipic acid

Option D: Benzoic acid

Correct Answer: Adipic acid ✔

Option A: Ion-exchange resins

Option B: Fountain pen barrels

Option C: Formica table tops

Option D: Combs

Correct Answer: Ion-exchange resins ✔

Option A: 1.18

Option B: 1.05

Option C: 0.95

Option D: 0.99

Correct Answer: 0.95 ✔

Option A: Addition polymer

Option B: Elastomer

Option C: Thermoplastic

Option D: None of these

Correct Answer: None of these ✔

Option A: 1-1000

Option B: 1000-1500

Option C: 1500-2000

Option D: 2000-2500

Correct Answer: 1-1000 ✔

Option A: Organic peroxides

Option B: Sulphuric acid

Option C: Hydrofluoric acid

Option D: None of these

Correct Answer: Organic peroxides ✔

Option A: Chloroethane

Option B: Ethylene dichloride

Option C: Ethyl chloride

Option D: Chloroform

Correct Answer: Chloroethane ✔

Option A: Hexamethylene diamine and the ring

Option B: Hexamethylene diamine and the adipic acid

Option C: Adipic acid and the ring

Option D: None of these

Correct Answer: Hexamethylene diamine and the adipic acid ✔

Option A: Terylene

Option B: Dacron

Option C: Nylon

Option D: Polyacrylonitrile

Correct Answer: Nylon ✔

Option A: Its cross-linked structure

Option B: Its linear chain structure

Option C: The presence of chlorine atoms in its monomer

Option D: The absence of chlorine atoms in its monomer

Correct Answer: The presence of chlorine atoms in its monomer ✔

Option A: Are formed by addition polymerisation

Option B: Have three dimensional structure

Option C: Have linear structure

Option D: None of these

Correct Answer: Have three dimensional structure ✔

Option A: For surface coating of automobiles & air crafts

Option B: For fibre making

Option C: As plasticiser for PVC & nitrocellulose

Option D: For film forming materials

Correct Answer: For fibre making ✔

Option A: A copolymer

Option B: A condensation polymer

Option C: Obtained by polymerising vinyl cyanide

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

Correct Answer: Obtained by polymerising vinyl cyanide ✔

Option A: 5°C and 1 kgf/cm2

Option B: – 20°C and 1 kgf/cm2

Option C: 0°C and 1 kgf/cm2

Option D: 0°C and 3 kgf/cm2

Correct Answer: 5°C and 1 kgf/cm2 ✔

Option A: Phosphorous

Option B: Carbon black

Option C: Pine oil

Option D: Rosin

Correct Answer: Carbon black ✔

Option A: Tensile strength

Option B: Resistance to organic solvents

Option C: Tackiness

Option D: Working temperature range

Correct Answer: Tackiness ✔

Option A: Decreases with increase in molecular weight

Option B: Decreases with increase in temperature

Option C: Increases with increase in temperature

Option D: Does not vary with temperature rise

Correct Answer: Increases with increase in temperature ✔

Option A: Polymer termination step

Option B: Condensation of siloxane to silicone

Option C: Initial hydrolysis of silicone monomer

Option D: None of these

Correct Answer: Initial hydrolysis of silicone monomer ✔

Option A: Hardeners

Option B: Anti-shrinkage agents

Option C: Plasticisers

Option D: Transparency improver

Correct Answer: Plasticisers ✔

Option A: In a chain without the elimination of water

Option B: With the elimination of small amount of water

Option C: Of the same monomer by elimination of small molecules of water

Option D: None of these

Correct Answer: In a chain without the elimination of water ✔

Option A: Electrical insulation

Option B: Toys making

Option C: Coating and films

Option D: Packaging

Correct Answer: Coating and films ✔

Option A: Unsaturated polyester

Option B: Alkyd resins

Option C: Saturated polyester

Option D: Amino resins

Correct Answer: Alkyd resins ✔

Option A: Improve its impact strength

Option B: Improve its elasticity

Option C: Reduce the melt viscosity & glass transition temperature

Option D: Prevent its thermal degradation

Correct Answer: Prevent its thermal degradation ✔

Option A: Wet tear and bursting strength

Option B: Folding endurance

Option C: Wet rub resistance

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

Correct Answer: D. All A., B. & C. ✔

Option A: Low density polythene

Option B: Poly vinyl chloride

Option C: Polystyrene

Option D: Polyhexamethylene adipamide

Correct Answer: Polyhexamethylene adipamide ✔

Option A: Epoxy polymer

Option B: PVC

Option C: Polystyrene

Option D: Polythene

Correct Answer: Epoxy polymer ✔

Option A: Abrasion resistance

Option B: Thermal stability

Option C: Adhesion to rubber

Option D: Hardness

Correct Answer: Abrasion resistance ✔

Option A: Butadiene copolymers, Polyamides, Urea-formaldehyde

Option B: Cellulose derivatives, Polyisoprene, Polyethylene

Option C: Cellulose derivatives, Polyamides, Polyurethane

Option D: Polypropylene, Poly vinyl chloride, Silicon

Correct Answer: Cellulose derivatives, Polyisoprene, Polyethylene ✔

Option A: Caprolactam

Option B: Adipic acid and Hexamethylenediamine

Option C: Maleic anhydride and Hexamethylenediamine

Option D: Sebacic acid and Hexamethylenediamine

Correct Answer: Caprolactam ✔

Option A: Are made by addition polymerisation reaction only

Option B: Contain an epoxy group (fig bellow) at the ends of the polymer

Option C: Are cross-linked polymers only

Option D: Use emulsion polymerisation methods

Correct Answer: Contain an epoxy group (fig bellow) at the ends of the polymer ✔

Option A: Melamine resins

Option B: Teflon

Option C: Dacron

Option D: None of these

Correct Answer: Melamine resins ✔

Option A: Acetylene

Option B: Chloroprene

Option C: Isoprene

Option D: None of these

Correct Answer: Chloroprene ✔

Option A: Resorcinol

Option B: Phenol

Option C: Para-cresol

Option D: Melamine

Correct Answer: Melamine ✔

Option A: Methyl methacrylate

Option B: DMT

Option C: Butadiene

Option D: Tetrafluoroethylene

Correct Answer: Methyl methacrylate ✔

Option A: Rigid foam

Option B: Engineering plastic

Option C: Thermosetting polymer

Option D: Spongy rubber

Correct Answer: Engineering plastic ✔

Option A: Carbon

Option B: Alkylated diphenyl amine

Option C: Thiokol

Option D: Magnesium

Correct Answer: Alkylated diphenyl amine ✔

Option A: 50°C and 3 – 4 kg/cm2

Option B: 50°C and 1 kgf/cm2

Option C: 250°C and 10 kgf/cm2

Option D: 250°C and 1 kgf/cm2

Correct Answer: A. 50°C and 3 – 4 kg/cm2 ✔

Option A: Polyamide

Option B: Polystyrene

Option C: Polyester

Option D: Polyacrylonitrile

Correct Answer: Polyester ✔

Option A: Lignin

Option B: Cellulose

Option C: Starch

Option D: Gelatine

Correct Answer: Cellulose ✔

Option A: Epoxy

Option B: Phenol formaldehyde

Option C: Urea formaldehyde

Option D: Melamine formaldehyde

Correct Answer: Urea formaldehyde ✔

Option A: Remain hard as long as they are hot

Option B: Cannot be reclaimed from waste

Option C: Permanent setting resins

Option D: Less brittle than thermosetting resins

Correct Answer: Less brittle than thermosetting resins ✔

Option A: Thermoplastic

Option B: Thermosetting

Option C: Elastometric

Option D: Brittleness

Correct Answer: Elastometric ✔

Option A: Employs a pressure of 30 kgf/cm2

Option B: Achieves an yield of 95-98% based on ethylene

Option C: Produces very low density polythene

Option D: Does not use any catalyst for polymerisation

Correct Answer: Achieves an yield of 95-98% based on ethylene ✔

Option A: Vulcanite or ebonite

Option B: Spandex fibre

Option C: Polysulphide rubber

Option D: Epoxy resin

Correct Answer: Vulcanite or ebonite ✔

Option A: Fibrous

Option B: Plastic

Option C: Resinous

Option D: Rubbery

Correct Answer: Rubbery ✔

Option A: Starch

Option B: Cellulose

Option C: Proteins

Option D: Nucleic acids

Correct Answer: Proteins ✔

Option A: Epoxy

Option B: Amino

Option C: Alkyd

Option D: Phenolic

Correct Answer: Amino ✔

Option A: Propylene

Option B: Phenol & formaldehyde

Option C: Phenol & acetaldehyde

Option D: Urea & formaldehyde

Correct Answer: Phenol & formaldehyde ✔

Option A: Ductile

Option B: Brittle

Option C: Malleable

Option D: None of these

Correct Answer: Brittle ✔

Option A: For the manufacture of styrene, the major raw materials are benzene and ethylene

Option B: One important copolymer of styrene is SBR, which is widely used in the manufacture of

Option C: Manufacture of phenol by chloroben-zene-eaustic process involves. The chlorination of benzene, causticisation and hydrolysis

Option D: Phenol manufacture by chlorobenzene-caustic process is competitive even when low cost chlorine is not available

Correct Answer: Phenol manufacture by chlorobenzene-caustic process is competitive even when low cost chlorine is not available ✔

Option A: Greater the degree of cross-linking in the polymer, lesser is its solubility

Option B: Polymers having more aliphatic character are more soluble in aliphatic solvents, while those polymers having more aromatic character are more soluble in aromatic solvents

Option C: Swelling tendency or solubility of polymers in a particular solvent decreases with increase in molecular weight of the solvent

Option D: High molecular weight polymers on dissolving gives solution of very low viscosity

Correct Answer: High molecular weight polymers on dissolving gives solution of very low viscosity ✔

Option A: 1: 3

Option B: 3 : 1

Option C: 1 : 2

Option D: 2 : 1

Correct Answer: 1: 3 ✔

Option A: Treylene

Option B: Orlon

Option C: Saran

Option D: Dacron

Correct Answer: Saran ✔

Option A: Bakelite

Option B: Teflon

Option C: Perspex

Option D: Nylon-6

Correct Answer: Perspex ✔

Option A: 1000 to 5000

Option B: 5000 to 1000

Option C: 20000 to 25000

Option D: 109 to 1011

Correct Answer: 20000 to 25000 ✔

Option A: Bakelite (phenol formaldehyde)

Option B: Polyester

Option C: Polythene

Option D: Nylon-6

Correct Answer: Bakelite (phenol formaldehyde) ✔

Option A: Cation/anion exchanger

Option B: Water soluble adhesive

Option C: Textile fibre

Option D: Non-sticky coating on frying pans

Correct Answer: Water soluble adhesive ✔

Option A: Phenol

Option B: Naphthalene

Option C: Benzene

Option D: Pyridine

Correct Answer: Benzene ✔

Option A: 25

Option B: 50

Option C: 70

Option D: 90

Correct Answer: 90 ✔

Option A: Poor tensile strength

Option B: Poorer resistance

Option C: Greater amount of heat build up heavy loading

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

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

Option A: Lignin

Option B: Cellulose

Option C: Polyamides

Option D: Ethylene glycol

Correct Answer: Cellulose ✔

Option A: Thermoplastic

Option B: Melamine

Option C: Addition

Option D: None of these

Correct Answer: Melamine ✔

Option A: Polyurethane

Option B: Phenol formaldehyde

Option C: Polychlorophrene

Option D: Styrene butadiene rubber (SBR)

Correct Answer: Polychlorophrene ✔

Option A: Addition polymerisation product

Option B: Condensation polymerisation product

Option C: Thermosetting material

Option D: None of these

Correct Answer: Addition polymerisation product ✔

Option A: Its softening

Option B: A treatment to retard its deterioration due to oxidation

Option C: Improving its curing rate

Option D: Depression of its freezing point

Correct Answer: Its softening ✔

Option A: Elastomers

Option B: Fibres

Option C: Thermoplastics

Option D: Thermosetting polymers

Correct Answer: Thermosetting polymers ✔

Option A: Ammonium alum

Option B: Potassium alum

Option C: Both A. & B.

Option D: Neither A. nor B.

Correct Answer: C. Both A. & B. ✔

Option A: Harder

Option B: More abrasion resistant

Option C: Having higher melting point

Option D: None of these

Correct Answer: None of these ✔

Option A: Harder

Option B: Stronger

Option C: Lighter

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

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

Option A: Produces high density polythene

Option B: Uses no catalyst

Option C: Produces low density polythene

Option D: Employs very high pressure

Correct Answer: Produces high density polythene ✔

Option A: Chloroethane

Option B: Chloroprene

Option C: Isoprene

Option D: None of these

Correct Answer: Chloroprene ✔

Option A: An amorphous polymer

Option B: A natural polymeric fibre

Option C: Polyacrylonitrile

Option D: Poly-methyl-methacrylate (PMMA)

Correct Answer: Polyacrylonitrile ✔

Option A: Phenol formaldehyde

Option B: An inorganic polymer

Option C: Polytetrafluroethylene (PTFE)

Option D: A monomer

Correct Answer: Polytetrafluroethylene (PTFE) ✔

Option A: As a plasticiser for unsaturated polyester

Option B: In the manufacture of synthetic rubber

Option C: As an anti-skimming agent in paint

Option D: None of these

Correct Answer: In the manufacture of synthetic rubber ✔

Option A: Polythene

Option B: PVC

Option C: Rayon

Option D: Polyvinyl acetate

Correct Answer: PVC ✔

Option A: Cellulose acetate

Option B: Cellulose nitrate

Option C: PVC

Option D: High density polythene

Correct Answer: Cellulose acetate ✔

Option A: Injection moulding

Option B: Extrusion

Option C: Rotational moulding

Option D: Compression moulding

Correct Answer: Rotational moulding ✔

Option A: Cellulose acetate

Option B: Regenerated cellulose

Option C: Cellulose nitrate

Option D: Cellulose acetate butyrate

Correct Answer: Cellulose nitrate ✔

Option A: Urea formaldehyde

Option B: Epoxy

Option C: Amino

Option D: Phenolic

Correct Answer: Urea formaldehyde ✔

Option A: Elasticity

Option B: Strength

Option C: Plasticity

Option D: Weathering characteristics

Correct Answer: Weathering characteristics ✔

Option A: As room temperature adhesive

Option B: As grease & lubricant

Option C: Hydraulic fluid for heat transfer

Option D: Resin for lamination

Correct Answer: As room temperature adhesive ✔

Option A: Polystyrene

Option B: Polyester

Option C: High density polythene

Option D: Polyurethane

Correct Answer: Polystyrene ✔

Option A: Polyisoprene

Option B: Nylon-66

Option C: Polystyrene

Option D: Bakelite

Correct Answer: Polyisoprene ✔

Option A: Polyamide & an elastomer

Option B: Good adhesive

Option C: Surface coating agent

Option D: Both B. and C.

Correct Answer: D. Both B. and C. ✔

Option A: Teflon

Option B: Perspex

Option C: Silicones

Option D: Bakelite

Correct Answer: Silicones ✔

Option A: Mattresses & foam

Option B: Coating material

Option C: Adhesives

Option D: Bottles

Correct Answer: Bottles ✔