Science, asked by divyangana, 11 months ago

V. Nylon
Ginning
4. Answer the following questions:
a. Explain the process of spinning and weaving.
Spinning Process of making yarn from of
Neaming - The process of arranging 2 sets of yarns together
b. What type of clothes should we wear in kitchen- Cotton or Nylon? Give reason.
c. How are silk fibres obtained?
d. List the steps involved in the preparation of fabric.​

Answers

Answered by Anonymous
1
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ANSWER ☑️☑️☑️⬇️⬇️⬇️
✍️1.)•Spinning-It is the process in which fibres (after roving)are twisted together to form yarn.
∆It is done manually.
∆Yarn is continuous strand made up a number of fibres which are twisted into yarns.

✍️2.)Cotton clothes must be suggested to wear in the kitchen because they absorb sweat easily and doesn't caught fire while nylon is a man-made product/fibre which can easily caught fire.

✍️3.)The process of silk production is known as sericulture. Extracting rawsilk starts by cultivating the silkworms on mulberry leaves. Once the worms start pupating in their cocoons, these are dissolved in boiling water in order for individual long fibres to be extracted and fed into the spinning reel.
•Silk fibres are obtained from cocoon.
•The process of separation of silk filaments from the cocoons is called reeling of silk.

✍️4.)•Most fabric that is dyed, printed or finished must first be prepared, with the exception of denim and certain knit styles. Preparation, also known as pretreatment, consists of a series of various treatment and rinsing steps critical to obtaining good results in subsequent textile finishing processes.
•In preparation, the mill removes natural impurities or processing chemicals that interfere with dyeing, printing, and finishing. Typical preparation treatments include desizing, scouring, and bleaching. Preparation steps can also include processes, such as singeing and mercerizing, designed to chemically or physically alter the fabric.
∆∆THIS WAS THE BASIC INTRODUCTION,I HAVE THE MAIN ANSWER:-
4.)The following steps are used in the preparing fabrics:
(i) Obtaining fibre (ii) Spinning where you obtain the yarns, Gives 2 sets of yarns thus, yarns are woven to make a fabric. (iii) When two sets of yarn are involved, yarns are woven on looms to make a fabric. When there is single yarn, knitting process is used in fabric.

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