Acrylic Fibre

Q.

Write the uses of acrylic fibres.

Q. Fabrics made from which of the following fibres do not wrinkle easily?

1. Rayon
2. Acrylic
3. Cotton
4. Polyester

Q.

Which synthetic fibre feels like wool and used as a substitute for wool ?

Q.

The synthetic fibre A is chemically a polyamide whereas the synthetic fibre B contains a large number of ester groups. Another synthetic fibre C is made of a polymer D which consists of a number of glucose units joined one after the other.

(a) Which fibre could be (i) terylene (ii) rayon , and (iii) nylon ?

(b) Name the polymer D.

(c) Which fibre (A, B or C) is prepared from a natural raw material ?

(d) Which fibre (A, B or C) contains the same type of grups as those in a PET jar ?

Q.

The synthetic polymer which can be used as a substitute for wool for making sweaters and shawls, etc., is :

(a) nylon (b) polyester (c) terylene (d) acrylic

Q.

The fabric terry wool is obtained by mixing terylene and wool.

1. True
2. False

Q. Assertion: Acrylic fibres are used in making socks and shawls.
Reason: Acrylic fibres are a replacement or woolen fibres.

1. The assertion is true but the reason is false.
2. The assertion is false but the reason is true.
3. Both assertion and reason are true but the reason is not correct for the assertion.
4. Both assertion and reason are true and the reason is the correct explanation of assertion.

Q. Which synthetic fibre is generally known as 'fake fur'?

1. Rayon
2. Acrylic
3. Nylon
4. Polyester

Q.

Which of the following fiber is used in parachute making and ropes for rope climbing?

1. Jute

2. Nylon

3. Rayon

4. Teflon

Q.

What is acrylic ? State one important property of acrylic.

Q.

Out of the following materials :

Cotton, Nylon, Terylene, Wool, PET, Acrylic

(a) Which materials are polyesters?

(b) Which material is a polyamide ?

(c) Which material is used as a substitute for wool ?

(d) Which material is used as a substitue for glass ?

Q. Which is water resistant nylon or rayon?

Q.

Sweaters knitted of acrylic keep us as warm as woollen sweaters.

1. Acrylic

2. Rayon

Q.

Identify the synthetic fibre which resembles wool.

1. Acrylic

2. Nylon

3. Terylene

4. Rayon

Q.

Rohit took with him some nylon ropes when he was going rock climbing. Can you tell why he selected nylon ropes instead of ropes made of cotton or jute?

Q. Which of the following fibres is used as linings for boots and gloves?

1. Cotton
2. Polyester
3. Silk
4. Acrylic

Q. Match the following materials with their characteristics feature:

1. Insect resistant
2. Parachutes
3. Artificial silk
4. Non-stick pans

Q. Match the following materials with their characteristics feature:

1. Artificial wool
2. Parachutes
3. Artificial silk
4. Sportswear

Q.

Identify the synthetic fibre which resembles wool.

1. Rayon

2. Acrylic

3. Nylon

4. Terylene

Q. Imagine you are shopping clothes for your trek to the Himalayas. Which amongst the following fabrics will be a better choice for you?

1. Polycot
2. Terrycot
3. Rayon
4. Acrylic

Q. How is rayon made? Why is it called artificial silk? List its important properties and uses.

Q.

Acrylic is -

1. synthetic fibre which has high resistance to shrinkage.

2. first artificial fibre.

3. natural fibre of wool.

4. natural fibre of silk.

Q.

The advantage of acrylic over other fabrics is that it _____.

1. Resistance to shrinkage, sunlight and great elasticity

2. Water Proof, good conductor of electricty and great elasticity

3. Has good elasticity, and conductivity of electricity

4. Great resistance to sunlight and water proof

Q. Question 19
Rohit took with him some nylon ropes when he was going for rock climbing. Can you tell why he selected nylon ropes instead of ropes made of cotton or jute?

Q.

Refer to the description given below and identify the fibres X and Y.

X: Used to make bristles of toothbrushes.

Y: Used to make water bottles.

1. X: Nylon, Y: Polyester

2. X: Nylon, Y: Rayon

3. X: Polyester, Y: Nylon

4. X: Rayon, Y: Nylon

Q. is a synthetic fibre which resembles wool.

1. Nylon
2. Acrylic
3. Rayon

Q. Fill in the blank.

Q.

The advantage of acrylic over other fabrics is_____.

1. Water Proof, good conductor of electricty and great elasticity

2. Resistance to shrinkage, sunlight and great elasticity

3. Has good elasticity, and conductivity of electricity

4. Great resistance to sunlight and water proof

Q. Match the following materials with their characteristic features:

1. High strength
2. Artificial silk
3. Insect resistant

Q. Write answers to the following questions
(a) The first fully synthetic fibre.
(b) A synthetic fibre similar to wool.
(c) A plastic used for making non-stick pans.