Multiple Choice Questions and Answers (MCQ) on Polymer Technology
01. Styrene butadiene rubber (SBR) is
(A) A natural rubber
(B) Another name of silicone rubber
(C) A synthetic polymer
(D) A synthetic monomer
Answer: Option C
02. Bakelite is
(A) Same as Polytetrafluoroethylene (PTFE)
(B) An inorganic polymer
(C) Same as thermoset phenol formaldehyde
(D) Not a polymer
Answer: Option C
03. Polyurethane cannot be used for making
(A) Mattresses & foam
(B) Coating material
(C) Adhesives
(D) Bottles
Answer: Option D
04. __________ resins are produced by the condensation polymerisation of formaldehyde with urea or melamine.
(A) Epoxy
(B) Amino
(C) Alkyd
(D) Phenolic
Answer: Option B
05. Nylon-6, 10 which is used for bristles making is superior to nylon 6, 6 due to its lower water absorption capacity, is a/an
(A) Polyester
(B) Polyamide
(C) Polyisoprene
(D) Polystyrene
Answer: Option B
06. Which of the following natural bio polymers are formed as a result of polymerisation of amino-acids?
(A) Starch
(B) Cellulose
(C) Proteins
(D) Nucleic acids
Answer: Option C
07. Which of the following is an inorganic polymer?
(A) Teflon
(B) Perspex
(C) Silicones
(D) Bakelite
Answer: Option C
08. Buna-S is a __________ material.
(A) Fibrous
(B) Plastic
(C) Resinous
(D) Rubbery
Answer: Option D
09. Epoxy resin is a polymer containing two or more groups of the bellow fig. is called epoxide group or ethoxyline group. It is a
(A) Polyamide & an elastomer
(B) Good adhesive
(C) Surface coating agent
(D) Both (B) and (C)
Answer: Option D
10. __________ practically possess no elasticity.
(A) Vulcanite or ebonite
(B) Spandex fibre
(C) Polysulphide rubber
(D) Epoxy resin
Answer: Option A
11. Which of the following has the weakest intermolecular forces?
(A) Polyisoprene
(B) Nylon-66
(C) Polystyrene
(D) Bakelite
Answer: Option A
12. Polystyrene is a __________ plastic at room temperature.
(A) Ductile
(B) Brittle
(C) Malleable
(D) None of these
Answer: Option B
13. Transistor parts and refrigerator components are normally made of
(A) Polystyrene
(B) Polyester
(C) High density polythene
(D) Polyurethane
Answer: Option A
14. Condensation polymerisation of __________ produces Bakelite.
(A) Propylene
(B) Phenol & formaldehyde
(C) Phenol & acetaldehyde
(D) Urea & formaldehyde
Answer: Option B
15. Silicone resins, which are highly water repellent and has good heat resistance cannot be used
(A) As room temperature adhesive
(B) As grease & lubricant
(C) Hydraulic fluid for heat transfer
(D) Resin for lamination
Answer: Option A
16. Low pressure Zeigler process of polythene manufacture
(A) Employs a pressure of 30 kgf/cm2
(B) Achieves an yield of 95-98% based on ethylene
(C) Produces very low density polythene
(D) Does not use any catalyst for polymerisation
Answer: Option B
17. Fillers such as zinc oxide and carbon black are added to the crude natural rubber before vulcanisation in order to improve its
(A) Elasticity
(B) Strength
(C) Plasticity
(D) Weathering characteristics
Answer: Option D
18. 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.
(A) Thermoplastic
(B) Thermosetting
(C) Elastometric
(D) Brittleness
Answer: Option C
19. Cation exchange resins used in water treatment is made from __________ resin.
(A) Urea formaldehyde
(B) Epoxy
(C) Amino
(D) Phenolic
Answer: Option A
20. Thermoplastic resins usually
(A) Remain hard as long as they are hot
(B) Cannot be reclaimed from waste
(C) Permanent setting resins
(D) Less brittle than thermosetting resins
Answer: Option D
21. Celluloid is
(A) Cellulose acetate
(B) Regenerated cellulose
(C) Cellulose nitrate
(D) Cellulose acetate butyrate
Answer: Option C
22. Cation exchange resins (0.3 to 1 mm size) used in water treatment is prepared from __________ resins.
(A) Epoxy
(B) Phenol formaldehyde
(C) Urea formaldehyde
(D) Melamine formaldehyde
Answer: Option C
23. Tyres are made by
(A) Injection moulding
(B) Extrusion
(C) Rotational moulding
(D) Compression moulding
Answer: Option C
24. Perspex can be used as a substitute of glass. Its monomer is
(A) Methyl methacrylate
(B) DMT
(C) Butadiene
(D) Tetrafluoroethylene
Answer: Option A
25. Automobile steering wheels are normally made of
(A) Cellulose acetate
(B) Cellulose nitrate
(C) PVC
(D) High density polythene
Answer: Option A