Question

long Answer Type Questions
1. (a) Name the steps in the production of wool from sheep.
(b) Why is scouring essential?
( What is carding of wool fibres?
(d) List some breeds of wool-yielding sheep in India.
2. (a) What do you understand by occupational hazards?
(b) Name the diseases often develop in people working in silk industry.
(0) Define pupal stage of silk moth.
(d) Give the burning characters of wool and silk fibres.​

Answer 1

Answer:

1(a)

The major steps necessary to process wool from the sheep to the fabric are: shearing, cleaning and scouring, grading and sorting, carding, spinning, weaving, and finishing.

(b)

The main purpose of the scouring is to remove impurities from the textile materials. The textile materials are leave in a highly absorptive condition without undergoing any chemical or physical damage significantly. After scouring process materials become suitable for next bleaching process.

(c)

Carding is a mechanical process that disentangles, cleans and intermixes fibres to produce a continuous web or sliver suitable for subsequent processing. ... In preparing wool fibre for spinning, carding is the step that comes after teasing.