Certificate In Textile Waste Management/30 0 Your Examination is Complete !Certificate In Textile Waste ManagementOnline Examination Detail: Duration- 60 minutes. Number of Questions- 30. (Multiple Choice Questions). Maximum Marks- 100, Passing Marks- 40%. There is no negative marking. 1 / 301. Effluents from textile industries contain detergents. A. True B. False 2 / 302. Which parameter in wheat quality assessment is obtained by measuring the weight of grains that fits a cylinder of predetermined volume? A. Thousand kernel weight B. Test weight C. Grain hardness D. Ash content 3 / 303. The process of converting fivers directly into fabric is __________. A. Weaving B. Felting C. Spinning D. Knitting 4 / 304. At which stage are oils and greases removed from textile wastewater? A. Primary treatment B. Secondary treatment C. Tertiary treatment D. Advanced treatment 5 / 305. Which stage in the paper processing industry is responsible for most of the effluent generation? A. Bleaching B. Pulping C. Refining D. Debarking 6 / 306. What is textile wastewater treatment? A. Biological treatment processes B. Chemical precipitation C. Adsorption and membrane technology D. All of the above 7 / 307. What is the pH of textile wastewater? A. 4.5-6.7 B. 7.0-9.0 C. 9.5-11.0 D. None of these 8 / 308. Which gas is released during the printing process in textile industries? A. Dinitrogen tetroxide B. Dinitrogen tetroxide C. Nitrous oxide D. Ammonia 9 / 309. Which of the following is NOT a source of oil mists in textile industries? A. Calendaring B. Bleaching C. Drying D. Curing 10 / 3010. Which is an elastomeric fiver? A. Acrylic B. Mod Acrylic C. Nylon D. Spandex 11 / 3011. Reverse osmosis is used to recover chemicals from the textile industry. Which of the following is NOT one of these chemicals? A. Phenols B. Pickling liquors C. Polyvinyl alcohols D. Mineral oils 12 / 3012. At which stage are reactive dyes removed from textile effluents? A. Primary treatment stage B. Tertiary treatment stage C. Secondary treatment stage D. Advanced treatment stage 13 / 3013. Which of the following is the most commonly used secondary treatment process in the paper manufacture? A. Trickling filters B. Activated sludge process C. Flotation D. Aerobic ponds 14 / 3014. What are the types of textile industry? A. Apparel B. Home furnishings C. Industrial textiles D. All of the above 15 / 3015. What is the final treatment method used for dyes and dye-intermediates? A. Chemical B. Physical C. Thermal D. Biological 16 / 3016. Which of the following two heavy metals are recovered from textile industries? A. Chromium and mercury B. Titanium and Mercury C. Mercury and Zinc D. Chromium and cadmium 17 / 3017. The short length man-made yarns are called ___________ yarns. A. Complex B. Filament C. Spun D. None of these 18 / 3018. Which of the following inorganic pollutants is absent from textile effluents? A. Cyanides B. Acids C. Bases D. Bleaches 19 / 3019. The process of converting waste material into new product and objects is called __________. A. Recreation B. Redesigning C. Reformation D. Recycling 20 / 3020. Globally _________ tonnes of textile waste are produced every year. A. 30 million B. 58 million C. 74 million D. 92 million 21 / 3021. Kraft pulping produces which kind of particulate matter? A. Fumes B. Chemical dust C. Smoke D. Coal dust 22 / 3022. Which method is used commonly for the primary treatment of textile effluents? A. Landfills B. Fabric filters C. Flocculation D. Aerobic filters 23 / 3023. How is the removal of detergent surfactants from textile effluents carried out? A. Adsorption by alumina B. Solvent extraction by benzene C. Adsorption by activated carbon D. Solvent extraction by xylene 24 / 3024. What is hard waste in textile? A. Preconsumer waste B. Postconsumer waste C. Reusable waste D. Not Reusable waste 25 / 3025. Which of the following tertiary treatment methods is NOT used for treating paper and pulp effluents? A. Electrodialysis B. Membrane filtration C. Coagulation D. Solvent extraction 26 / 3026. The paper and pulp manufacture releases which of the following air pollutants? A. Carbon monoxide B. Hydrogen sulphide C. Fumes D. Nitrogen dioxide 27 / 3027. In textile industries, rayon is recovered using which method? A. Flotation B. Adsorption C. Ion exchange D. Dialysis 28 / 3028. Which of the following is used commonly as a secondary treatment method for the treatment of textile wastewater? A. Nitrification B. Aerated lagoons C. Sedimentation D. Reverse osmosis 29 / 3029. Which of the following garments provides the best medium for self-expression? A. Aerobic leotard B. Business suit C. Hospital gown D. Police uniform 30 / 3030. Which heavy metal is recovered from precipitation during rayon manufacture? A. Cadmium B. Mercury C. Lead D. Zinc Exit