Assertion (A) While washing woolen garments kneading and squeezing method is used.Reason (R) Scaly structure of wool cause felting due to friction.

Give the correct sequence of making woolen felts.
1. Layering of wool fibers.
2. Cleaning, blending and carding of wool fibers.
3. Beating, compressing and squeezing the web.
4. Application of heat and moisture.
5. Imparting required finish to the felt.
6. Scouring, rinsing and drying.

A

1, 2, 3, 4, 6 and 5

B

2, 1, 4, 3, 5 and 6

C

3, 4, 2, 1, 5 and 6

D

2, 1, 4, 3, 6 and 5

For washing rayon fabric, kneading and squeezing method is used because

A

it is weaker when wet

B

it is not very durable

C

it has a very smooth surface

D

it has a natural luster

Consider the following statements.
1. Glass wool has tensile strength greater than steel.
2. Glass wool is fire proof.
3. Glass wool has high electrical conductivity and absorbs moisture.
4. Glass wool is used to prepare libre glass.
Which of the statements given above are correct?

A

1, 2, 3 and 4

B

1, 2 and 3

C

1, 2 and 4

D

3 and 4

Damage in woolen garments is due to enzyme

A

Aldolase

B

Keratinase

C

Kinase

D

Lactase

When we put on thick woolen clothing, ___ in the woolen loops that protect us from the cold.

A

the air

B

it is the air

C

that the air

D

there is the air

Which of the following statements is/are correct?
1. Felt is made from wool or mixed wool. Matt is dampened and heated and pressure applied to it the wool fibres entangled and form dense material felt.
2. Knitted fabrics can be stretched more than woven fabrics, so can used forrests under weavers socks.

A

1 and 2

B

Only 1

C

Only 2

D

None of these

A: Is that your pure wool pullover in the washing machine? It you know!
B: No, I it several times in the machine already. I use the wool cycle and it's fine.

A

was shrinking

B

has shrunk

C

will shrink

D

is going to shrink

E

is shrinking

Consider the following statements
1. Rayon garments undergo progressive shrinkage, hence care has to be taken, while drying and ironing.
2. Direct dyes bleed while washing, therefore direct dyed fabrics are after treated with catonic agent.
Which of the statements given above is/are correct?

A

Both 1 and 2

B

Only 1

C

Only 2

D

None of these

Consider the following statements
1. Garments, which have warm should not be put away until they have been throughly aired.
2. Washable garments should be laundered frequently.
Which of the statements given above is fare correct?

A

Only 1

B

Only 2

C

Both 1 and 2

D

None of these

Ready-made garments are preferred to tailored garments, because of

A

their colour fastness

B

their durability

C

their cost

D

their ready availability

Assertion (A) While washing woolen garments kneading and squeezing method is used.
Reason (R) Scaly structure of wool cause felting due to friction.

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