Recent questions tagged municipal-solid-waste-management

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Which ONE of the following options is NOT a parameter as a part of proximate analysis of municipal solid waste?Volatile matterAsh contentCarbon to nitrogen ratioMoisture ...
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Which of the following processes is/are primarily used to remove the organic matter in sludge?DigestionIncinerationMagnetic separationWet-oxidation
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An anaerobic digestion system is operated for methane gas generation from organic fraction of municipal solid waste $\text{(OFMSW)}$. The moisture content and volatile so...
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The characteristics of two types of solid waste are given in the table.The quantity of sludge to be added to leaves to achieve a $\mathrm{C} / \mathrm{N}$ ratio of $25$ (...
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​​​​Which option gives the components that are most likely to be present in the segregated combustible fraction (SCF) separated from raw mixed municipal solid waste (MSW)...
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​​​​​Plastic wastes may be burnt to generate fuel oil and fuel gas.Plastic wastes along with bitumen may be used for road/pavement construction.Polyethylene terephthalate...
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​​​​​Choose the option(s) giving the correct process flow-sheet for producing refuse derived fuel (RDF) from the segregated waste collected in the dry waste containers (b...
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A solid waste of composition $\mathrm{C}_{60} \mathrm{H}_{135} \mathrm{O}_{50} \mathrm{~N}_{5}$ is to be composted aerobically in a closed vessel mechanical composting fa...
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The costliest functional element in an urban centralized Municipal Solid Waste management infrastructure for a typical Indian Tier $\text{I}$ city is _______.biological t...
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A municipal solid waste digester generates $1000 \mathrm{~kg}$ of methane gas. The volume of the tank needed to store this gas at $30^{\circ} \mathrm{C}$ and 3 atmospheri...
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Food waste, paper waste and plastic waste have typical densities of $280 \mathrm{~kg} / \mathrm{m}^{3}, 80 \mathrm{~kg} / \mathrm{m}^{3}$, and $50 \mathrm{~kg} / \mathrm{...
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Two hypothetical organic waste streams A and B are mixed prior to the composting process. Waste-A has $2.16 \%$ of $\mathrm{C}$ and $1.20 \%$ of N. Waste-B has $19.10 \%$...
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Consider the following waste categoriesi) Domestic Hazardous Wasteii) Nuclear Wasteiii) Sludge from wet scrubbers of hazardous waste treatment processesiv) Chromium beari...
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Read the following statements about aerobic composting of organic fraction of municipal solid wasteThe majority of the odour problem in an aerobic composting process is d...
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A city generates on average $1000$ metric tonnes/day of municipal solid waste and follows integrated waste management system. $15 \%$ of the total waste is recycled, $40 ...
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Ultimate analysis of a municipal solid waste sample is given below\begin{array}{|c|c|c|c|c|}\hline { Percent by weight } \\\hline Carbon & Hydrogen & Oxygen & Nitrogen & ...
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What is the order of preference of the various elements in integrated waste management hierarchy $\text{(highest preference to lowest preference)}$?Reduce $>$ Rcuse $>$ r...
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Choose the correct order of biodegradability $\text{(highest to lowest)}$ of the following municipal solid waste components.Food waste $>$ Newspaper $>$ Polyvinyl Chlorid...
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In proximate analysis, when a $10 \mathrm{~kg}$ moisture-free solid sample is heated in a furnace at $950^{\circ} \mathrm{C}$ in the absence of air, its mass is reduced b...
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In context of municipal solid waste treatment, match the equipment in List I with their function in List II.List IList IITrommelSize reductionMagnetic separatorAluminium ...