Question

Question 24:

On doing the comparative study of natural and synthetic fibres, the following observations

have been made.

Properties Natural Synthetic

Cotton Silk Wool Polyester Nylon Acrylic

Tensile

strength

Strong Strong Week Very strong Very strong Strong

Moisture

Absorption

Good Good Good Hydrophobic Hydrophobic Hydrophobic

Thermal

Behavior

Heat

resistant

Heat

sensitive

Heat

sensitive

Heat

sensitive

Heat

sensitive

Heat

sensitive

Read the observations carefully and think if you “Agree” or “Disagree” with the statements

i. Heat sensitive fibers are thermosetting

ii. The moisture absorption ability of the fibre affects its flammability

iii. Synthetic fibres are more long-lasting/durable

Now choose the correct option from below:

a) i. Agree, ii. Agree, iii Agree

b) i. Disagree, ii. Disagree, iii. Disagree

c) i. Disagree, ii. Disagree, iii. Agree

d) i. Disagree, ii. Agree, iii. Agre​

Answer 1

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