Answer: Yarns are made up of thin strands called fibres. Only the better qualities of yarn are gassed, such as that used for voiles, poplins, venetians, gabardines, many Egyptian qualities, etc. Answer: Fabric means a woven material, a textile or other material resembling woven cloth. Traditional methods for turning hemp fiber into fabric are eco-friendly, and many companies are still using those methods today. 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. Variety in fabrics. Read article about Wool fibres have a unique surface structure of overlapping scales called cuticle cells. Most fabrics are presently produced by some method of interlacing, such as weaving or knitting. 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. This brings the fibres together to form yarn. 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 … EXTRA QUESTIONS for Class 6 Science Chapter 3 Chop hemp stalks into 12- to 18-inch lengths. 2.14 Today a number of unstitched fabrics are used by both men and women. (True) b) Spinning is a process of making fibres. Can you give four examples of such clothes. When a fibre is taken and weaving is performed on it, fabric is what is created. Step I: The first step is the removal of the fleece of the sheep along with a thin layer of skin. NCERT Extra Questions for Class 6 Science Chapter 3 Fibre to Fabric . Question 2. So that any possible weaving fault can be detected. 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. Q.6. In America, this process was a tedious, labor-intensive activity done by hand until the 19th century. This process is known as shearing. Today, there are four basic types of the bamboo fabric: Rayon: What is rayon from bamboo? Join now. This brings the fibres together to form a yarn . In this process, fibres from a mass of cotton wool are drawn out and twisted. Such as brushing, singeing, washing, impregnation for dressing and drying. The two common methods used for producing Fabrics are: Knitting. Once silkworm breeders have harvested silkworm cocoons, they usually expose them to high heat to prevent the mature worms from emerging. The cleaned cotton is then fed into a machine. 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. The process of making yarn from fiber is called spinning. This brings the fibres together to form yarn. Nonwoven textiles are manufactured by the bonding of fibres to make fabric. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Exactly which steps the fabric goes through depends on the type, or blend of fibre, and how it will be treated afterwards. Explain the process of making yam from fibre. Ancient Greeks and Romans greatly valued it as a commodity. As early as 3,000 B.C. 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. 2.13 Explain the process of making yarn from fibre. Fiber generation. The process of making yam from fibres is called spinning. Ans. The process of making yam from fibres is called spinning. 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. Fabrics are converted into wearable garments through the garment manufacturing process in the garment factories. Fabric consider as a major raw material in the garments manufacturing process. Fabric is made up of yarns. Then its goes through various finishing process. 6. this brings the fibers together to from a Yarn. 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. What is 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. At the time of garment making, functional trims and accessories are attached to the garment at various stages. Fabrics are made by the two main processes known as weaving and knitting. Textile loom. 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. Ask your question. Processing of fibres into wool Animal fibres of Class 7. what are the Processing of fibres into wool . Processing. Explain the process of making yarn from fibre. Answer: The process of making yarn from fibres is called spinning. Fibre to Fabric Class 6 Extra Questions Science Chapter 3. To be sure, what we seen in retail shops selling dress materials or textiles are fabrics. The rope-like bundles of polyester that emerge are called tow. , 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. Bonding may be thermal or mechanical, or adhesives can be used. The sliver of cotton fibre is converted into yarn by spinning using machines. 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. The Spinning Process. This brings the fibres together to … Mentioned several times in the Bible, it has been used as a cool, comfortable fiber in the Middle East for centuries as well. Fabric is the end result of a process called weaving that makes use of fibre as the ingredient. The textile fabrics are made of from yarns in weaving and knitting process. Log in. Things You'll Need. Once a natural raw material goes through a chemical process, a cellulose fiber becomes rayon, and this fiber produces the textile fabric. (True) e) Weaving of yarn makes a piece of fabric. For these, the fibers go through an added step of careful reopening and further processing. Here we will explain each process in detail using some illustrations. Weaving: The process of arranging two sets of yarn together to make a fabric is called weaving. Cutting equipment Spinning machine. Bamboo fabric is sustainable, breathable, and soft, so it’s used more and more often. The process of making yam from fibres is called spinning. Sorting Wool scouring, Drying, Burr picking are the process of fibre to fabric. This is, of course, the first step. In this process, a mass of cotton wool are drawn out and twisted. Class 7 Chemistry Fibre to Fabric: Processing fibres into wool: Processing fibres into wool. It is the basic sequence of man made fiber production. You know that the undergarment you wear is made up of cotton. 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. Question: Explain the process of making yam from fibre. Pre-treatment processes can be carried out with fibres, yarns or fabrics. Explain the process of making yarn from fabric - 17307111 1. Most fabric is also treated with chemicals to remove oils and wax which occur naturally in most fibers. Answer. Log in. Carding machines pull the clumps apart and lay the fibers straight, side-by-side to dry. 1. 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. (True) f) Silk fibre is obtained from the stem of a plant. To get a fresh, clean, crisp white sheet, it takes some cleaning. (False) c) Jute is an outer covering of coconut. "There may or may not be thorough penetration of the colorant into the fibers or yarns. Fabric: Fabric is a plain sheet of cloth, which is made from natural or man-made fibers by weaving or knitting process. 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. 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. Here, I have given a flow chart of synthetic fiber production which is same for all. The hair provides woollen fibres that are then processed to obtain woollen yarn. The cotton fibre are combed, straightened and converted into a rope like structure called sliver. 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. "The process of applying color to fiber stock, yarn or fabric is called dyeing. 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. This process is termed as shearing. They form soft, untwisted ropes called slivers, which will be spun on spinning machines to make various materials and fabrics. This is done in a multi-step process. Ask your question. However, in the melt spinning process, the spinneret has many more holes when the product is staple fiber. In this process, a mass of cotton wool are drawn out and twisted. In this process,fibers from a mass of cotton wool are drawn out and twisted. These strands are spun through different methods depending on the yarn thickness or count desired for weaving or knitting fabric, then wound on bobbins. abdullahkamaal09 abdullahkamaal09 10.05.2020 Chemistry Secondary School +10 pts. Yarns are made up of thin strands called fibres. answer. Question 1. Join now. Most fabrics are knitted or woven, but some are produced by non-woven processes such as braiding, felting, twisting, etc. It enables subsequent processing of the material, which needs to be prepared to accept dyes and functional chemicals. Ans : a) Yarn is made from fibre. (False) d) The process of removing seeds from cotton is called ginning. 2.14.1 The Process of Making Fabric from Yarn; Class 6 Science Chapter 3 Important Questions 2020-21. Items made from coir (coconut fibre) are: (i) Coir Mattresses (ii) Mats (iii) Baskets Q9: Explain the process of making yarn from fibre. In this case, both the fabric as well as fibre is cotton. Fibres from a mass of cotton wool are drawn out and twisted. Explain the process of making fabric from fibres Ask for details ; Follow Report by ShreyaMathur433804 09.10.2019 Log in to add a comment
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