A. Follow Permanent Care Label Instructions. 7. 6-january-1947: all india congress committee accepted the division of the country. Classification of natural fibers. 5. Viscose is probably the most misunderstood of all fibres, manmade or natural. The raw, natural materials are spun into threads and yarns that are then woven or knit into natural fabrics. Because silk is made up of continuous filaments rather than staple fibres, it is one of the strongest natural fibre fabrics. Since silk is an animal fibre obtained from silkworms. Vegetable fiber, strong, tough, flexible, moisture absorbent, not shape retentive. Viscose: a misunderstood fabric? The following is an answer given by Boojho to a question asked by his teacher- “Cotton, wool, silk and jute are classified as natural fibres … (a) False. Question is ⇒ Which of the following is not a natural fibre?, Options are ⇒ (A) Silk, (B) Viscose rayon, (C) Wool, (D) Cotton, (E) , Leave your comments or Download question paper. Rayon synthesised for the first time in England. •Silk •Cotton •Wool •Mohair •Cashmere. Synthetic fibres shrink a lot when washed. (b) False. Polyester is the strongest synthetic fibre. towards. Natural fibers are classified according to their origin: •Vegetable or cellulose •Animal or protein •Mineral. Dress shields should be worn to protect the underarms of silk dresses. Source: Have Love Will Travel via Etsy Linen. Previous question Next question. 6. Question: Four different types of fibres are given to us. Because sunlight damages silk, especially that which has been heavily weighted, it is not a good fiber for drapery fabrics unless the draperies are lined. There are two general categories of natural fibers: animal-based or plant-based. The animal fibres consist exclusively of proteins and, with the exception of silk, constitute the fur or hair that serves as the protective epidermal covering of animals. 8. Since jute is obtained from the stem of a plant. (c) True (d) True. Linen comes from the stem of a flax plant. Fibres can weaken when wet; 5. 2. Silk: B. Silk filaments are extruded by the larvae of moths and are used to spin their cocoons.. With the exception of mineral fibres, all natural fibres have an affinity for water in both liquid and vapour form. 4. In woven silk, the fibre's triangular structure acts as a prism that refracts light, giving silk cloth its highly prized "natural shimmer". Does not melt, but should be pressed with a press cloth. 15. Nylon was made in 1931. It has good absorbency, low conductivity and dyes easily. Terylene is a common variety of polyester. Cellulose. Silk: It's filament is a continuous thread of great tensile strength measuring from 500 to 1 500 metres in length, with a diameter of 10-13 microns. Animal-based natural fibers include silk and wool, while plant-based natural fibers include cotton, linen, and jute. 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