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Synthetic Fibres and Plastics

Description: practice questions on fibres
Number of Questions: 15
Created by:
Tags: fibres and plastics Types of Synthetic Fibers and Their Characteristics. Plastics and Their Properties Plastics and The Environment Degradation
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Which of the following is not a synthetic fibre?

  1. Nylon

  2. Rayon

  3. Silk

  4. Polyester

  5. Acrylic


Correct Option: C
Explanation:

Silk is obtained from silkworm.

Which of the following fibres is used to make parachutes?

  1. Acrylic

  2. Rayon

  3. Silk

  4. Polyester

  5. Nylon


Correct Option: E
Explanation:

Nylon fibres are strong and durable. So, they can withstand the pressure needed in a parachute.

Which of the following fibres is used to make ropes for rock climbing?

  1. Nylon

  2. Rayon

  3. Silk

  4. Polyester

  5. Acrylic


Correct Option: A
Explanation:

Nylon fibres are very strong and durable. They can withstand the pressure during rock climbing.

Which of the following fibres is called artificial silk?

  1. Nylon

  2. Rayon

  3. Terylene

  4. Polyester

  5. Acrylic


Correct Option: B
Explanation:

Rayon is called artificial silk.

Which synthetic fibre is prepared from coal, water and air?

  1. Nylon

  2. Rayon

  3. Terylene

  4. Polyester

  5. Acrylic


Correct Option: A
Explanation:

Nylon is prepared from coal, water and air.

Some shawls and blankets used by people in winter season may not be made from natural wool. Which of the following is the artificial wool used to make shawls and blankets?

  1. Nylon

  2. Rayon

  3. Terylene

  4. Teflon

  5. Acrylic


Correct Option: E
Explanation:

Acrylic is the artificial wool used to make shawls and blankets.

What is terylene?

  1. A thermosetting plastic

  2. A material used to make uniforms of firemen

  3. A popular polyester

  4. A material used in non-stick cookware

  5. A material known as artificial silk


Correct Option: C
Explanation:

Terylene is a popular polyester.

Non-stick cookware is made with a coating of ______.

  1. nylon

  2. bakelite

  3. terylene

  4. teflon

  5. acrylic


Correct Option: D
Explanation:

Teflon does not permit oil or water to stick to it. Hence, this material is ideal to make non-stick vessels.

Which of the following is used for making electrical switches?

  1. Nylon

  2. Bakelite

  3. Terylene

  4. Teflon

  5. Acrylic


Correct Option: B
Explanation:

Bakelite is used for making electrical switches.

A special property of a particular material is used in saving lives. It also ensures safety of the person who wears it during a rescue operation. Which fibre is being mentioned here?

  1. PET

  2. Polycot

  3. Nylon

  4. Melamine

  5. Rayon


Correct Option: D
Explanation:

Melamine is used to make fire resistant uniforms that are worn by firemen.

Which of the following is not a use of plastics in the healthcare industry?

  1. Packaging of tablets

  2. Making of threads to stitch wounds

  3. Making of syringes

  4. Making of medical instruments

  5. Making of non-stick cookware


Correct Option: E
Explanation:

This is not a use of plastics in the healthcare industry. 

Which of the following is not a property of plastics?

  1. They are non-reactive.

  2. They are good conductors of electricity

  3. They are poor conductors of heat

  4. They are light, strong and durable.

  5. Since they are light-weight, they are easy to handle.


Correct Option: B
Explanation:

This statement is wrong. Plastics are poor conductors of electricity.

Fabrics made of synthetic fibres should not be used while working in the kitchen. What could be the best reason for it?

  1. They are expensive.

  2. They are light-weighted.

  3. They catch fire easily.

  4. They are poor conductors of electricity.

  5. They are long lasting.


Correct Option: C
Explanation:

They catch fire easily. So, the fabric will melt and stick to the body.

Plastics should be avoided as far as possible. Which of the following statements is not a correct explanation for it?

  1. They are biodegradable.

  2. Burning of plastics releases poisonous fumes.

  3. They cause pollution.

  4. They take years to decompose.

  5. They can be swallowed by animals.


Correct Option: A
Explanation:

Plastics are non-biodegradable.

Why are handles of frying pans made of plastic?

  1. Plastics degrade easily.

  2. They are cheap.

  3. Poor conductors of electricity

  4. They are light-weighted.

  5. Poor conductors of heat


Correct Option: E
Explanation:

Plastics are poor conductors of heat. So, handles of frying pans are made of plastic.

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