Synthetic Fibres And Plastics Test

Question 1
1 / -0

A few polymers grouped together on the basis of some common property as follow:

Group I: Nylon, Hemp, cotton, jute
Group II: Bakelite Melamine, PVC
Group III: Polycot, terry wool, acrylic.

Choose odd one out in the group I, II and III

A
Group I - Nylon
Group II - PVC
Group III - Acrylic

B
Group I - Cotton
Group II - Melamine
Group III - Acrylic

C
Group I - Jute
Group II - Melamine
Group III - Terry wool

D
Group I - Hemp
Group II - Melamine
Group III - Acrylic

Question 2
1 / -0

________ is a natural protein fibre, some forms of which can be woven into textiles.

A
Spandex

B
Silk

C
Kente cloth

D
Linen

Question 3

1 / -0

Select the option that correctly fills the blanks in the given statements.

I. __(i)__ fibres are produced by plants, animals and geological processes. They are __(ii)__ over time.
II. __(iii)__ fibre is used for making paper.
III. __(iv)__ is a naturally occurring mineral fibre.
IV. __(v)__ and __(vi)__ are examples of cellulose fibres.

	(i)	(ii)	(iii)	(iv)	(v)	(vi)
(1)	Cotton	natural fibres	Wood	Hemp	Asbestos	natural fibres
(2)	Natural	biodegradable	Wood	Asbestos	Cotton	hemp
(3)	Hemp	wood	Asbestos	Natural fibre	Biodegradable	cotton
(4)	Natural	asbestos	Cotton	Wood	Hemp	asbestos

(1)

(2)

(3)

(4)

Question 4
1 / -0

Which element is used for the vulcanisation of rubber?

A
Magnesium

B
Sulphur

C
Copper

D
Phosphorus

Question 5
1 / -0

_____________ is stronger than a steel wire.

A
Cotton fibre

B
Silk thread

C
Plastic thread

D
Nylon fibre

Question 6
1 / -0

________ is a polyester used for making bottles, utensils, films.

A
Leather

B
Nylon

C
PET

D
Plastic

Question 7
1 / -0

Polyester is formed by the repeating units of _______.

A
ether

B
beads

C
carbon

D
ester

Question 8
1 / -0

Read the two statements given below and select the correct option.

Statement I: Synthetic fibres are used to make medicine capsules and to give internal stitches during surgeries.
Statement II: These fibres are biodegradable.

A
Both statements I and II are correct and statement II is the correct reason for statement I.

B
Both statements I and II are correct, but statement II is not the correct reason for statement I.

C
Statement I is correct, but statement II is incorrect.

D
Both statements I and II are incorrect.