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Synthetic Fibres and Plastics - 2

Covers properties, characteristics, applications, and classification of synthetic fibres and plastics including rayon, nylon, polyester, acrylic, and various plastics

14 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following synthetic fibres is/are used for making a device used to slow down the movement of an object as it falls or moves through the air?

  1. Acrylic
  2. Nylon
  3. Cotton
  4. Polyester
  5. Both (1) and (2)
Question 2 Multiple Choice (Single Answer)

Which of the following fibres is used as a cheaper substitute of wool?

  1. Rayon
  2. Teflon
  3. Acrylic
  4. Nylon
  5. Terylene
Question 3 Multiple Choice (Single Answer)

Name a polymer occurs naturally?

  1. woollen
  2. cellulose
  3. rayon
  4. petrochemicals
  5. both (1) and (2)
Question 4 Multiple Choice (Single Answer)

The raw materials for manufacturing synthetic fibres are obtained from
(a) wood
(b) coal
(c) petroleum
(d) water

  1. Both (a) and (b)
  2. Both (a) and (d)
  3. Both (b) and (c)
  4. (a), (b) and (c)
  5. (b), (c) and (d)
Question 5 Multiple Choice (Single Answer)

All the synthetic fibres are prepared by a number of processes using raw material obtained from

  1. animals
  2. bacteria
  3. plants
  4. dead organisms
  5. none of these
Question 6 Multiple Choice (Single Answer)

Which of the following materials is used in the making of a fireman's uniform?

  1. Teflon
  2. Melamine
  3. Ryon
  4. Acrylic
  5. Terylene
Question 7 Multiple Choice (Single Answer)

Which of the following is/are matched correctly?
(a) PVC - Thermoplastic
(b) PET - Thermosetting plastic
(c) Polyethylene - Thermoplastic

  1. Only (a)
  2. Only (b)
  3. Only (c)
  4. All of these
  5. Both (2) and (3)
Question 8 Multiple Choice (Single Answer)

Which of the following types of plastic is/are used to make electric plugs and switches?

  1. PVC
  2. Bakelite
  3. Melamine
  4. Both (2) and (3)
Question 9 Multiple Choice (Single Answer)

Which of the following objects can be recycled?
(a) Cooker handles
(b) Plastic toys
(c) Plastic carry bags
(d) Wooden chairs
(e) Ballpoint pens

  1. a, c and d
  2. b, c, d and e
  3. both a and d
  4. both b and c
  5. a, b, c, d and e
Question 10 Multiple Choice (Single Answer)

Which of the following is not a characteristic of synthetic fibres?

  1. Synthetic fibres are cheaper than natural fibres.
  2. Natural fibres are stronger than synthetic fibres.
  3. Synthetic fabrics get dried up in less time.
  4. Synthetic fibres are readily available.
Question 11 Multiple Choice (Single Answer)

Which of the following substances is not a constituent of artificial silk?

  1. Rayon
  2. Polyester
  3. Jute
  4. Mercerised cotton
Question 12 Multiple Choice (Single Answer)

Which of the following fibres has properties similar to that of silk?

  1. Bakelite
  2. Nylon
  3. Maleamine
  4. Rayon
Question 13 Multiple Choice (Single Answer)

Which of the following is not a characteristic of vulcanised rubber?

  1. It does not melt upon heating.
  2. It is resistant to chemical attack.
  3. It is an insoluble thermosetting polymer.
  4. It possesses weak covalent bonds.
Question 14 Multiple Choice (Single Answer)

Which of the following is a popular polyester?

  1. Terylene
  2. Nylon
  3. Teflon
  4. Polythene
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