Question 3. (c) To make fabric, the fibres are first converted into yarns. The process of twisting the fibres together into yarn is called spinning and it was one of the first processed to be industrialised. All these fibres are first converted into yarns to make fabrics. Which of the following materials did people use in ancient times for making clothes? At spinning mills, cotton fibres are first converted into different types of yarns At fabric mills, yarns are woven or knitted into fabrics At manufacturing factories, fabrics are cut and sewn into … 37. Yarns are woven together to make a fabric. One such example is given. 38. 4. • Cotton fibres are made from cotton ball. The longer fibres are made into wool for sweaters and the shorter fibres are spun and woven into woollen cloth. In fact, some nonwoven products are subjected to both textile and p aper industry . (a) Use of charkha was popularised by Mahatma Gandhi as a part of the Independence movement (b) In India, jute is mainly grown in Kerala and Punjab (c) To make fabric, the fibres are first converted into yarns (d) Sufi Saint Kabir was a weaver Solution: (b) In India, jute is mainly grown in West Bengal, Bihar and Assam. These fibres are converted into yarns to make … Cotton has also been cultivated and used to make fabrics for at least 7,000 years. ACTIVITY 10.1 Activity 4 Hold some cotton wool in one hand. Important Questions on Fibre to Fabrics. Fill in the names of useful items made from jute fibres in Fig. The cotton fibres are then converted into rope-like loose strands. The fibres best suited for textile weaving typically measure between 1 to 1 3/4 inches long; the first destination for these fibres is the carding machine. 2. ScienceDirect ® is a registered trademark of Elsevier B.V. ScienceDirect ® is a registered trademark of Elsevier B.V. This brings the fibres together to form a yam. technologies, to form and bond polymers, fibres, filaments, yarns or combination sheets into a flexible, porous structure. (c) Spinning (iii) Yarns are made from these thin strands (d) Ginning (iv) These are spun from fibres and then used to make fabrics (e) Fibre (v) Process of arranging two sets of yarns together to make a fabric (f) Yarn (vi) Process of making yarn from fibres 23. The conventional systems for processing staple fibre into spun yarns are those developed for cotton and wool: opening, carding, drawing, combing, roving and spinning. Passage - 2 The process of making yam from fibres is called spinning. 3.1. 39. These fibres are converted into yarns to make fabrics (Fig). This process is known as the spinning of cotton yarns. Figure 5 shows the bonding of nonoven fabric. Here, the raw materials that have been harvested and processed are transformed from raw fibers into yarn and threads. In the case of synthetic continuous-filament yarns, manufacturing methods including melt spinning, wet spinning, dry spinning and gel spinning techniques are explained and different forms of continuous-filament yarns are dealt with, such as flat yarns, textured yarns, bi-component yarns and split tape or film yarns. Match the terms given in Column I with the statements given in Column II. Spinning can be done both by hands and by machines. Cotton fibres are converted into several intermediary products before a cotton-containing end-product is produced. Other cotton fibres and myself were made into yarn by the process of _____. They are made from both natural and synthetic fibres. The 2 main processes are weaving and knitting. Yarns are made up of a number of fibres twisted together. That thread which was made of fibres is called yarn. (ii) Fabric is made from yarn by the process of weaving or knitting. In the process of spinning, fibres from a mass of cotton (or wool, silk, etc.) If weaving is used to make the fabric, the warp yarns are assembled onto a beam. Yarns are the continuous, strands produced from a short and staple fibres. When grouped together in a loose, continuous rope without twist, synthetic filaments are called tow. The earliest known samples of yarn and fabric of any kind were found near Robenhausen, Switzerland, where bundles of flax fibers and yarns and fragments of plain-weave linen fabric, were estimated to be about 7,000 years old. The strands are twisted to make yarns. Opening is the process of reducing compressed cotton fibres from a bale into smaller-fibre tufts. In case of staple-fibre yarns, manufacturing technologies including ring, rotor, air-jet spinning and Vortex spinning are explained together with the type of yarn structures obtained from the respective technologies and their end-uses. ↓ The yarns are then used to make fabrics by weaving and knitting. Pinch some cotton between the thumb and forefinger of the other hand. 3.1. The yarn was _____to give beautiful colours and then_____to get cotton fabric. Appropriate yarn structures and manufacturing technologies are selected for required applications and properties. Answer: The devices on which weaving of fabrics takes place are called looms. Similarly , there are many other fibres available to us, which can be used to make cloth and we will learn about these in the next section. You can try making cotton yarn yourself. 5. 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The process of arranging two sets of yarns together to make a fabric is called weaving. 3.1. After many different colours of finest Australian Merino wool fibres have been blended and carded, ring spinning frames twist them into woolen yarns and into the desired fineness. 3.4 SPINNING COTTON YARN. The fibres of cotton and wool have many folds and uneven surfaces. Answer 2 (b) Question 3. Yarns are made up of a number of fibres twisted together. There are two types of wool yarn that make different fabrics: woolen and worsted. A brief treatment of yarn follows. How is it done? The yarn is then woven on a loom to create wool fabric. Filaments may be loosely twisted together to form yarns of a specified thickness. • A yarns is a continuous strand made up of a number of fibres which are twisted together 19. • The process of removing seeds from cotton wool is called ginning. We use these yarns to make fabrics. In this process, fibres from a mass of cotton wool are drawn out and twisted. There are two forms of yarn: one with a low amount of fibers and one with a high amount of fibers. Natural fibers—cotton, flax, silk, and wool—represent the major fibers available to ancient civilizations. For full treatment, see textile: Production of yarn. We use cookies to help provide and enhance our service and tailor content and ads. In spinning, fibre from a mass of cotton or wool are drawn out and twisted. In weaving 2 sets of yarns are interlaced to from the fabric. Bobbin is the wooden or plastic reels on which yarn is wound. 6. Question: What are looms? Fibres are made from the yarns. Weft is … So they are first converted into yarns which are longer, thicker and stronger. Improve your learning 1. 36. The yarn was _____to give beautiful colours and then_____to get cotton fabric. This brings the tiny fibres together to form a long and twisted thread called ‘yarn’. 81 Science VI Class converted into yarn. To be made into fabric, wool undergoes several processes. Weaving / Knitting / making of non wovens Then the yarn is made into fabric. Textile - Textile - Conversion to yarn: Because filaments, such as silk and the synthetic fibres, have extreme length, they can be made into yarn without the spinning operation necessary for the shorter staple fibres. Yarns … (i) Leaves of trees (ii) Newspaper (iii) Metal foils The stems rot (the process is called retting) and fibres are separated by hand. These materials vary in their sizes and texture and form a suitable for knitting, weaving or otherwise intertwining to form textile fabrics. Copyright © 2021 Elsevier B.V. or its licensors or contributors. By continuing you agree to the use of cookies. To make fabrics, all these fibres are first converted into yarns. The chapter describes different types of yarns in terms of their structures, properties and applications. To make fabrics, all these fibres are first converted into yarns. (c) To make fabric, the fibres are first converted into yarns. (d) Sufi saint Kabir was a weaver. 2. Question 2: Which statement out of the following is incorrect? Raw jute fibres are red in colour. Log in, Concise Mathematics Class 10 ICSE Solutions 2018. Fiber is the smallest unit of a fabric. Match the terms given in Column I with the statements given in Column II. The process of making fabric or cloth by arranging yarns at right angles to them, is called weaving.The process of making a fabric by interlocking loops of single yarn with knitting needles or machines, is called knitting. Copyright © 2015 Elsevier Ltd. All rights reserved. This is done by spinning the fibers. Processing of a Fibre into Fabric. • Opening: This is the basic operation in the spinning of yarn from raw fibres. 3. Spun yarns can contain a single type of fibre, or you can spin various types of fibre together to give you a blend. • Jute fibre is obtained from the stem of a jute plant. Spinning: The process of making yarn from fibre is called spinning. The stems of harvested plants are bundled and immersed in water for 10 to 15 days. We use these yarns to make fabrics. Fabric are made from yarn by two main processes : 1 Weaving 2 Knitting. The fabrics are made from fibres in the following two steps : (i) Fibres are first converted to yarn by the process of spinning. Which of the following materials did people use in ancient times for making clothes? These fibres are spun into continuous strands called as yarns, by imparting twist. The first step in creating fabric is yarn production. The fibres are then further separated in a blending machine; this separates different grades of cotton to be blended, processes and spun into yarn. Making of Fabric, Fibre to Fabric, Class 6. This process is also called warping. To make fabrics, all these fibres are first converted into yarns. The fleece is sheared from the sheep, scoured, carded, combed and spun into yarn. Fabric is … There are three basic steps required for fabric production. 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