Description : Which of the following is not a natural fibre? (A) Silk (B) Viscose rayon (C) Wool (D) Cotton
Last Answer : (B) Viscose rayon
Description : Example of natural plant fibre: a. Silk b. Cotton c. Viscose rayon d. Polyester
Last Answer : b. Cotton
Last Answer : Cotton lintus , bamboo pulp , wood pulp
Description : A polymeric substance used to make parachute is – (1) Rayon (2) Viscose (3) Cotton (4) Terylene
Last Answer : (2) Viscose Explanation: Viscose is a viscous organic liquid used to make rayon and cellophane. Viscose is also used as shorthand for Viscose Rayon, thus becoming synonymous with rayon, a soft man-made fibre commonly used in dresses, linings shirts, shorts, coats, jackets, and other outer wear.
Description : In case of wet spinning of polymers, the polymer solution is forced through spinnerates into, a coagulating bath to give a filament form. Wet spinning is not used in case of the __________ fibres. (A) Viscose rayon (B) Acrylic (C) Polyvinyl acetate (D) Saturated polyeste
Last Answer : (D) Saturated polyeste
Description : Viscose rayon is (A) Cellulose nitrate (B) Regenerated cellulose nitrate (C) Regenerated cellulose acetate (D) None of these
Last Answer : (D) None of these
Description : Pick out the wrong statement. (A) Denier is defined as weight in gm of 9000 metres length of a fibre, while tex is defined as weight in gm of 1000 metres length of fibre (B) ... fibres are all prepared by wet spinning (D) Nylon fibres have greater water absorption capacity than polyester fibres
Last Answer : (C) Dacron fibres, acrylic fibres, viscose rayon fibres & cellulose acetate fibres are all prepared by wet spinning
Description : For spinning viscose rayon, the extrusion spinnerettes are made of (A) Platinum or gold alloys (B) High carbon steel (C) Aluminium (D) Nickel
Last Answer : (A) Platinum or gold alloys
Description : Viscose rayon (A) Cannot be made from sulphite pulp (B) Utilises H2SO4 , NaOH and CS2 during its manufacture (C) Cannot yield textile grade fibre (D) None of these
Last Answer : (B) Utilises H2SO4 , NaOH and CS2 during its manufacture
Description : In the manufacture of viscose rayon, the raw material used industrially is (A) Eucalyptus wood (B) Bamboo (C) Bagasse (D) Fine teak wood
Last Answer : (D) Fine teak wood
Description : Viscose rayon is chemically (A) Cellulose nitrate (B) Regenerated cellulose nitrate (C) Cellulose acetate (D) Regenerated cellulose acetate
Last Answer : (D) Regenerated cellulose acetate
Description : Carbon disulphide is mainly used in the production of(A) Viscose rayon (B) Corundum (C) Plasticiser for unsaturated polyester (D) Paints
Last Answer : (A) Viscose rayon
Description : Retting is used in the processing of which of the following fibres: a. Cotton b. Linen c. Silk d. Viscose rayon
Last Answer : b. Linen
Description : A polymeric substance used to make parachute is (1) Rayon (2) Viscose (3) Cotton (4) Terylene
Last Answer : Viscose
Last Answer : Synthetic fiber rayon was renamed in 1924
Description : Rayon is a __________ fibre. (A) Cellulosic (B) Polyamide (C) Polyester (D) Natural
Last Answer : (A) Cellulosic
Description : The purest natural form of cellulose is _______. a) rayon b)cotton c)wool d)silk
Last Answer : b)cotton
Description : Who invented viscose?
Last Answer : Sir Isaac newton who originated the concept of viscosity and isoften called Non- Newtonian fluid mechanics.
Description : Which of the following family does the weed Grass belongs to? A. Poaceae B. Cyperaceae C. Crotalaria verrucose D. Indigofera viscose
Last Answer : A. Poaceae
Description : Can I get this polyester rayon blend to shrink in the wash?
Last Answer : answer:Polyestere does not shrink. Rayon usually shrinks like crazy. I have a feeling with that ratio the garment won't shrink much, not sure. Throw it in the dryer after you wash it, see what happens. ... a lot, deoending on the rayon, but I doubt that will be a problem with all that polyester.
Description : Are there advantages to a bamboo-derived rayon duvet cover?
Last Answer : Thanks for asking this question because as a designer I know little about bamboo fabric and it forced me to do a bit of research out of curiosity. I found this explanation of the ... to know if it has the great properties inherent in bamboo. http://organic.lovetoknow.com/Organic_Bamboo_Fabric
Description : I was rooting around in my (deceased) father's stuff and now have a fish hook stuck in my brand new rayon shirt. How do I get it out?
Last Answer : Use a pair of pliers to pinch down the barb near the sharp end of the fish hook. Without the barb, you should be able to remove the hook with no appreciable damage to the fabric.
Description : Why is rayon called artificial silk? -Chemistry 9th
Last Answer : Rayon is a synthetic fiber or man-made fiber or artificial fiber as it is prepared from the natural raw material called cellulose. ... The kind of rayon fibers which imitate the feel and texture of natural silk is therefore termed as 'artificial silk'.
Description : Why does rayon thread break and split?
Last Answer : Rayon is known for it's strength and durability. If your thread is breaking then you have the tension too tight.
Description : Will rayon shrink when washed?
Last Answer : Need answer
Description : What do silk rayon wool have in common?
Last Answer : They all are used for clothing
Description : The chief raw material used for manufacturing Rayon is : (1) Nylon (2) Cellulose (3) Silicon (4) Radium and Argon
Last Answer : (2) Cellulose Explanation: Rayon is a manufactured regenerated cellulose fiber. Because it is produced from naturally occurring polymers, it is neither a truly synthetic fiber nor a natural fiber; it is a semi-synthetic or artificial fiber.
Description : Which of the following fibres catches fire least? (1) Nylon (2) Cotton (3) Rayon (4) Terricot
Last Answer : (2) Cotton Explanation: The fibre least prone to catch fire is cotton. Fabrics with more of the fiber surface area exposed to air have more oxygen available to support, burning and therefore burn more easily. Thus, thin, gauzy fabrics, lace, or brushed fabrics can be very flammable.
Description : The first synthetic fibre made by man was- (1) Rayon (2) Nylon (3) Polyester (4) Terycott
Last Answer : (2) Nylon Explanation: Nylon, the first synthetic fiber in the "fully synthetic" sense of that term, was developed by Wallace Carothers, an American researcher at the chemical firm DuPont in the 1930s.
Description : Polycaprolactam is (A) Nylon-6 (B) Nylon-66 (C) Dacron (D) Rayon
Last Answer : (A) Nylon-6
Description : __________ fibres are made of polyamides. (A) Dacron (B) Nylon (C) Rayon (D) Orion
Last Answer : (B) Nylon
Description : Rayon is superior to cotton in making gauge for wound treatment, because rayon (A) Is a synthetic polymer (B) Does not stick to the wound unlike cotton (C) Can absorb over 90% of its own weight of water (D) Both (B) and (C)
Last Answer : (B) Does not stick to the wound unlike cotton
Description : The synthetic fibres produced from __________ are known as rayon. (A) Lignin (B) Cellulose (C) Polyamides (D) Ethylene glyco
Last Answer : (B) Cellulose
Description : In case of dry spinning of polymers, the polymer solution in a volatile solvent is forced through the spinnerates into a warm air chamber, where the solvent evaporates leaving behind the polymer in the filament ... is used for __________ fibres. (A) Polythene (B) PVC (C) Rayon (D) Polyvinyl acetate
Last Answer : (B) PVC
Description : The substance used in the production of nylon; rayon; explosives; fertilizers and dyes?
Last Answer : Ammonia
Description : Which synthetic fibre is known as artificial Silk? A. Nylon B. Rayon (Answer) C. Cotton D. Terylene
Last Answer : B. Rayon (Answer)
Description : For the first time, scientists have developed which fabric from the flax plant? a. Cotton b. Rayon c. Nylon d. Linen
Last Answer : d. Linen
Description : Which of the following products is not derived from cellulose? (a) Rayon (b) Insulin (c) Gun cotton (d) Paper
Last Answer : Insulin
Description : Which of the following statements is false about cellulose? (a) It is a polymer of glucose molecules joined in β-1,4 linkages. (b) It is a major component of cotton. (c) It is used in the manufacture of Dacron fibres. (d) It is used in the manufacture of Rayon fibres
Last Answer : It is used in the manufacture of Dacron fibres.
Description : Polycaprolactam is commercially known as (A) Nylon-6 (B) Nylon-66 (C) Dacron (D) Rayon
Description : The non-stick coating on pan and other cooking utensils is made from __________. a) rayon b)Teflon c)melamine d)PVC
Last Answer : b)Teflon
Description : Rayon clothes are comfortable to wear in _______. a) winters b)rainy season c)both a& b d)summers
Last Answer : d)summers
Description : Which of the following is not a polymer? w) rayon x) Teflon y) rubber z) penicillin
Last Answer : ANSWER: Z -- PENICILLIN
Last Answer : Cellulose
Description : Which of the following fibres catches fire least ? (1) Nylon (2) Cotton (3) Rayon (4) Terricot
Last Answer : Cotton
Description : Where in the Bay Area can I buy natural-fiber underwear and socks?
Last Answer : Doesn't American Apparel sell organic underwear?
Description : What is natural fiber ?
Last Answer : Natural fiber is the fiber that is collected from all the plants , leaves , bark , flowers , animals , mines, etc. that are found in nature or grow in nature .
Description : What term describes the natural waviness of wool fiber?
Last Answer : Crimp
Description : This natural fiber obtained from the stems of a plant of the nettle family has found popularity in modern fibers with a high wet strength, absorbent but dries quickly, it can be spun or woven, has a high rot ... a source of heat or power? w) Plutonium-238 x) Strontium-90 y) Cesium-137 z) Uranium-235
Last Answer : ANSWER: W -- PLUTONIUM-238