The hair provides woollen fibres that are then processed to obtain woollen yarn. Bonding may be thermal or mechanical, or adhesives can be used. (False) d) The process of removing seeds from cotton is called ginning. Answer. However, in the melt spinning process, the spinneret has many more holes when the product is staple fiber. 2.13 Explain the process of making yarn from fibre. answer. The fabric usually used in the clothes we wear is produced through two processes: the “spinning process,” where raw cotton is turned into thread, and the “weaving process,” where the thread is woven into fabric. Manufacturing Staple Fiber In making polyester staple fiber, polymerization, drying, and melt spinning (steps 1-4 above) are much the same as in the manufacture of filament yarn. This brings the fibres together to … Variety in fabrics. Today, there are four basic types of the bamboo fabric: Rayon: What is rayon from bamboo? Fibre to Fabric Class 6 Extra Questions Science Chapter 3. abdullahkamaal09 abdullahkamaal09 10.05.2020 Chemistry Secondary School +10 pts. This process is known as shearing. Ask your question. Fabric is made up of yarns. Can you give four examples of such clothes. At the time of garment making, functional trims and accessories are attached to the garment at various stages. In this process,fibers from a mass of cotton wool are drawn out and twisted. The creation of textiles, or cloth and fabric materials, is one of humanity’s oldest activities.Despite the great advances in production and manufacturing of clothing, the creation of natural textiles still to this day relies on the effective conversion of fiber into yarn and then yarn to fabric.As such, there are four primary steps in the manufacturing of textiles which have remained the same. Question: Explain the process of making yam from fibre. Explain the process of making fabric from fibres Ask for details ; Follow Report by ShreyaMathur433804 09.10.2019 Log in to add a comment The rope-like bundles of polyester that emerge are called tow. Join now. Processing. Question 2. , the fiber was processed into fine white fabric (540 threads to the inch—finer than anything woven today) and wrapped around the mummies of the ancient Egyptian pharaohs. Step I: The first step is the removal of the fleece of the sheep along with a thin layer of skin. Read article about Wool fibres have a unique surface structure of overlapping scales called cuticle cells. This is, of course, the first step. The process of making yam from fibres is called spinning. NCERT Extra Questions for Class 6 Science Chapter 3 Fibre to Fabric . Class 7 Chemistry Fibre to Fabric: Processing fibres into wool: Processing fibres into wool. Bamboo fabric is sustainable, breathable, and soft, so it’s used more and more often. Hemp is one of the strongest and most durable of all fibers, it holds its shape well and it does not require herbicides or pesticides to produce. Most fabric is also treated with chemicals to remove oils and wax which occur naturally in most fibers. It is the basic sequence of man made fiber production. Then its goes through various finishing process. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Fabrics are converted into wearable garments through the garment manufacturing process in the garment factories. This brings the fibres together to form a yarn . "The process of applying color to fiber stock, yarn or fabric is called dyeing. Join now. 2.14 Today a number of unstitched fabrics are used by both men and women. 1. Once a natural raw material goes through a chemical process, a cellulose fiber becomes rayon, and this fiber produces the textile fabric. The wool which is used for knitting sweaters or for weaving shawls is the finished product of a long process, which involves the following steps: Step I: in the first step the fleece of the sheep with its thin layer of skin is removed from its body. Most fabrics are presently produced by some method of interlacing, such as weaving or knitting. These strands are spun through different methods depending on the yarn thickness or count desired for weaving or knitting fabric, then wound on bobbins. Yarns are made up of thin strands called fibres. Explain the process of making yarn from fibre. In this process, a mass of cotton wool are drawn out and twisted. Explain the process of making yam from fibre. The textile fabrics are made of from yarns in weaving and knitting process. EXTRA QUESTIONS for Class 6 Science Chapter 3 Most fabrics are knitted or woven, but some are produced by non-woven processes such as braiding, felting, twisting, etc. Items made from coir (coconut fibre) are: (i) Coir Mattresses (ii) Mats (iii) Baskets Q9: Explain the process of making yarn from fibre. The process of making yarn from fiber is called spinning. Cutting equipment Spinning machine. Answer: Fabric means a woven material, a textile or other material resembling woven cloth. Log in. The cleaned cotton is then fed into a machine. Ans. This brings the fibres together to form yarn. While the silk industry has expanded greatly during the last century, the processes used to make this fabric are still largely the same as they were in the ancient world. (True) f) Silk fibre is obtained from the stem of a plant. Textile - Textile - Production of fabric: Fabric construction involves the conversion of yarns, and sometimes fibres, into a fabric having characteristics determined by the materials and methods employed. Sorting Wool scouring, Drying, Burr picking are the process of fibre to fabric. So that any possible weaving fault can be detected. Answer: The process of making yarn from fibres is called spinning. Weaving: The process of arranging two sets of yarn together to make a fabric is called weaving. The fabrics are the flexible materials, which consists of a network of natural or artificial fibres, produced by weaving cotton, nylon, jute, wool, silk, or other threads together. From field to fabric, the process of making cotton transforms the raw fibers into threads, yarn and fabric in three steps: Preparation, Spinning, and Weaving. In this case, both the fabric as well as fibre is cotton. To get a fresh, clean, crisp white sheet, it takes some cleaning. In America, this process was a tedious, labor-intensive activity done by hand until the 19th century. To be sure, what we seen in retail shops selling dress materials or textiles are fabrics. Exactly which steps the fabric goes through depends on the type, or blend of fibre, and how it will be treated afterwards. Question 1. Fabrics are made by the two main processes known as weaving and knitting. They form soft, untwisted ropes called slivers, which will be spun on spinning machines to make various materials and fabrics. Finishing process of denim fabrics: Final woven fabrics, which is wound on a cloth roll that we get from weaving machine at particular intervals and checked on inspection machine. It enables subsequent processing of the material, which needs to be prepared to accept dyes and functional chemicals. This is done in a multi-step process. The two common methods used for producing Fabrics are: Knitting. Nonwoven textiles are manufactured by the bonding of fibres to make fabric. Traditional methods for turning hemp fiber into fabric are eco-friendly, and many companies are still using those methods today. (True) e) Weaving of yarn makes a piece of fabric. Log in. Fibers are the building block of a fabric and they are generated or produced by many means – man-made fibers /synthetic fibers and natural fibers are all made following many practices including sericulture for silk, cattle rearing for wool, various chemical processes … As early as 3,000 B.C. Ans : a) Yarn is made from fibre. The cotton fibre are combed, straightened and converted into a rope like structure called sliver. Once silkworm breeders have harvested silkworm cocoons, they usually expose them to high heat to prevent the mature worms from emerging. This brings the fibres together to form yarn. The process of making yam from fibres is called spinning. This process is termed as shearing. Fiber generation. What is fabric? The process of making yarn from fibres is called spinning .In this process, fibres from a mass of cotton wool are drawn out and twisted. 6. Processing of fibres into wool Animal fibres of Class 7. what are the Processing of fibres into wool . (False) c) Jute is an outer covering of coconut. Answer: Yarns are made up of thin strands called fibres. Felting involves applying pressure and friction to a mat of fibres, working and rubbing them together until the fibres become interlocked and tangled, forming a nonwoven textile. Fabric consider as a major raw material in the garments manufacturing process. Such as brushing, singeing, washing, impregnation for dressing and drying. In this process, a mass of cotton wool are drawn out and twisted. Chop hemp stalks into 12- to 18-inch lengths. Things You'll Need. Here we will explain each process in detail using some illustrations. Explain the process of making yarn from fabric - 17307111 1. Mentioned several times in the Bible, it has been used as a cool, comfortable fiber in the Middle East for centuries as well. In this process, fibres from a mass of cotton wool are drawn out and twisted. Carding machines, which can process more than 100 pounds per hour, separate the fibers into a sliver (pronounced SLY-ver), which is a pliable, rope-like strand that is blended together into as many as eight strands for further refinement. "There may or may not be thorough penetration of the colorant into the fibers or yarns. You know that the undergarment you wear is made up of cotton. Here, I have given a flow chart of synthetic fiber production which is same for all. Q.6. Fabric: Fabric is a plain sheet of cloth, which is made from natural or man-made fibers by weaving or knitting process. Textile loom. When a fibre is taken and weaving is performed on it, fabric is what is created. Process Flow Chart of Synthetic Fiber Production: The process flow chart of various synthetic fibers is differing from one to another but basic process is same. this brings the fibers together to from a Yarn. Fabric is the end result of a process called weaving that makes use of fibre as the ingredient. Gassing is the process of passing yarn, as distinct from fabric very rapidly through a series of Bunsen gas flames in a gassing frame, to burn off the projecting fibres and make the thread round and smooth and also brighter. Ancient Greeks and Romans greatly valued it as a commodity. Ask your question. Fibres from a mass of cotton wool are drawn out and twisted. For these, the fibers go through an added step of careful reopening and further processing. (True) b) Spinning is a process of making fibres. The sliver of cotton fibre is converted into yarn by spinning using machines. The Spinning Process. Pre-treatment processes can be carried out with fibres, yarns or fabrics. Only the better qualities of yarn are gassed, such as that used for voiles, poplins, venetians, gabardines, many Egyptian qualities, etc. Even though woven threads fresh off the loom look a lot like fabric, they also have some weird discolorations and impurities, seed particles and other junk. 2.14.1 The Process of Making Fabric from Yarn; Class 6 Science Chapter 3 Important Questions 2020-21. The process of making yam from fibres is called spinning. Carding machines pull the clumps apart and lay the fibers straight, side-by-side to dry.
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