Municipal Solid Waste Includes PDF
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Ramsheth Thakur
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This document appears to be a collection of questions and answers related to municipal solid waste management. It covers topics like waste types, treatment, and technologies. The questions and answers might be from a quiz, exam, or study guide, and the content can be categorized as environmental science and engineering.
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Municipal solid waste includes residential, institutional and commercial waste. institutional, industrial and commercial waste. construction and demolition, biomedical, industrial waste. E-waste, biomedical and residential waste Yes, the answer is correct. Score: 1 Accepted Answers: residential, ins...
Municipal solid waste includes residential, institutional and commercial waste. institutional, industrial and commercial waste. construction and demolition, biomedical, industrial waste. E-waste, biomedical and residential waste Yes, the answer is correct. Score: 1 Accepted Answers: residential, institutional and commercial waste. Correct order of solid waste management is transportation, collection, treatment, disposal. collection, treatment, transportation, disposal. collection, transportation, treatment, disposal. transportation, treatment, collection, disposal. No, the answer is incorrect. Score: 0 Accepted Answers: collection, transportation, treatment, disposal. After which initiative segregation of waste at source came into praactice? Assign Unnat Bharat Abhiyan (UBA) Swachh Bharat Mission (SBM) Swachh Bharat Abhiyan(SBA) Waste Management Policy (WMP) No, the answer is incorrect. Score: 0 Accepted Answers: Swachh Bharat Mission (SBM) Biogas is majorly composed of carbon dioxide and hydrogen methane and carbon dioxide hydrogen and nitrogen methane and hydrogen No, the answer is incorrect. Score: 0 Accepted Answers: methane and carbon dioxide What to do with plastic wastes? Composting Recycling Disposal in dump yard Underground storage No, the answer is incorrect. Score: 0 Accepted Answers: Recycling Technologies used for energy production. Biomethanation and Incineration Incineration and Composting Composting and Biomethanation Composting and Pyrolysis Yes, the answer is correct. Score: 1 Accepted Answers: Biomethanation and Incineration In which of the following conditions can we expect the highest rate of waste generation? (a) hilly area with warm weather (b) plain area with cold weather (c) hilly area with cold weather (d) plain area with warm weather Yes, the answer is correct. Score: 1 Accepted Answers: (d) plain area with warm weather Statement 1: Collection frequency affects the waste generation rate. Statement 2: More wastes are generated in areas where collection frequency is high (a) Both statement 1 and statement 2 are correct (b) Statement 1 is correct, but statement 2 is wrong (c) Statement 1 is wrong, but statement 1 is correct (d) Both Statement 1 and statement 2 are wrong No, the answer is incorrect. Score: 0 Accepted Answers: (a) Both statement 1 and statement 2 are correct Methods used to estimate waste quantity: (a) Load-Count analysis (b) Field capacity (c) Quartering Method (d) Weight-Volume analysis No, the answer is incorrect. Score: 0 Accepted Answers: (a) Load-Count analysis (d) Weight-Volume analysis Variation in the waste composition depends on: (a) Location (b) Season (c) Economy (d) All of these Yes, the answer is correct. Score: 1 Accepted Answers: (d) All of these Which of the following states has the highest waste collection efficiency in India (CPCB, 2013)? (a) Kerala (b) Maharashtra (c) Karnataka (d) West Bengal No, the answer is incorrect. Score: 0 Accepted Answers: (b) Maharashtra Statement 1: Understanding the field capacity of waste is important in determining leachate formation in a landfill. Statement 2: The field capacity doesn’t depend on the state of the decomposition of the waste. (a) Both statement 1 and statement 2 are correct (b) Statement 1 is correct, but statement 2 is wrong (c) Statement 1 is wrong, but statement 1 is correct (d) Both Statement 1 and statement 2 are wrong Yes, the answer is correct. Score: 1 Accepted Answers: (b) Statement 1 is correct, but statement 2 is wrong 1 point Statement 1: Volatile solids content is often used as a measure of the biodegradability of the organic fraction of solid waste Statement 2: Volatile solids content is an exact indicator of biodegradability (a) Both statement 1 and statement 2 are correct (b) Statement 1 is correct, but statement 2 is wrong (c) Statement 1 is wrong, but statement 1 is correct (d) Both Statement 1 and statement 2 are wrong Yes, the answer is correct. Score: 1 Accepted Answers: (b) Statement 1 is correct, but statement 2 is wrong Waste quantification is an important aspect of SWM because it helps in: (a) Selecting specific equipment (b) Designing waste collection routes (c) Designing material recovery facilities and disposal facilities (d) All of these Yes, the answer is correct. Score: 1 Accepted Answers: (d) All of these Which of the following waste characterization techniques analyse the proportion of carbon, hydrogen, oxygen, nitrogen and sulphur? (a) Proximate analysis (b) Ultimate analysis (c) Calorific value (d) None of these Yes, the answer is correct. Score: 1 Accepted Answers: (b) Ultimate analysis The calorific value of the organic components in MSW is determined using (a) CHONS analyser (b) full-scale boiler as a calorimeter (c) laboratory bomb calorimeter (d) None of these Partially Correct. Score: 0.5 Accepted Answers: (b) full-scale boiler as a calorimeter (c) laboratory bomb calorimeter In the functional element of Municipal Solid Waste Management, processing and transformation is followed by: (a) Transfer and transport (b) Secondary collection (c) Disposal (d) Storage Yes, the answer is correct. Score: 1 Accepted Answers: (c) Disposal Which type of wastes need to be discarded in "blue bins" for segregation of household waste? (a) Soiled tissues, paper cardboard, discarded clothing. (b) Paper cardboard, plastics, wood, metals, glass. (c) E-waste, household medical waste, batteries, lights bulbs. (d) Soiled tissues, food wrappers, paper towels; fish and meat. Yes, the answer is correct. Score: 1 Accepted Answers: (b) Paper cardboard, plastics, wood, metals, glass. What is the maximum distance between a house and a nearest dustbin for waste storage? (a) 250 m (b) 500 m (c) 100 m (d) 50 m No, the answer is incorrect. Score: 0 Accepted Answers: (a) 250 m Which is the most common onsite processing operations used at residential dwellings for dry waste? (a) Incineration (b) Composting (c) Anaerobic digestion (d) Vermicomposting No, the answer is incorrect. Score: 0 Accepted Answers: (a) Incineration What are the processing technologies used for sanitary waste? (a) Gasification (b) Anaerobic digestion (c) Gasification and incineration (d) Autoclaving and incineration Yes, the answer is correct. Score: 1 Accepted Answers: (d) Autoclaving and incineration What are the techniques used to speed up the composting process? (a) Addition of more waste (b) Maintaining optimum ratio of wet and dry waste (c) Addition of microorganism (d) Reducing the moisture content to 20 percent No, the answer is incorrect. Score: 0 Accepted Answers: (c) Addition of microorganism Which type of composting is done only in household level? (a) In-vessel composting (b) Pile composting (c) Vermicomposting (d) Pit composting No, the answer is incorrect. Score: 0 Accepted Answers: (a) In-vessel composting Which of the following is included in secondary collection of waste? (a) Curb services (b) Alley services (c) Setout services (d) Haul container system Yes, the answer is correct. Score: 1 Accepted Answers: (d) Haul container system In which waste collection services homeowner is responsible for returning the containers to their storage location? (a) Backyard services (b) Setout services (c) Setout-setback services (d) Door to door services Yes, the answer is correct. Score: 1 Accepted Answers: (b) Setout services In which collection services the cost due to size and time requirement is highest? (a) Curb services (b) Alley services (c) Setout setback services (d) Backyard services No, the answer is incorrect. Score: 0 Accepted Answers: (c) Setout setback services Which of the following is not a unit operation of collection system? (a) Pickup (b) Haul (c) On-site (d) Off-route Yes, the answer is correct. Score: 1 Accepted Answers: (c) On-site In waste collection system, Haul Container System includes (a) Time required to reach the location where the waste will be emptied (b) Actual picking up of the loaded container (c) Redeposition of the empty container (d) Time spent at the location where the waste is unloaded Yes, the answer is correct. Score: 1 Accepted Answers: (a) Time required to reach the location where the waste will be emptied In waste collection system, Off-route collection system includes (a) Redeposition of the empty container (b) Time spent at the site (c) Actual picking up of the loaded container (d) Time spent on all non-productive activities Yes, the answer is correct. Score: 1 Accepted Answers: (d) Time spent on all non-productive activities Part B: Solve the problem and answer the questions that follow (Q4 to Q10) A private solid waste collector wishes to locate MRF near a commercial area. The collector would like to use a hauled container system but fears that the haul costs might be prohibitive. What is the maximum distance away from the commercial area that the MRF can be located so that weekly costs of the hauled container system do not exceed those of the stationary container? Assume that one collector-driven vehicle will be used in each system. For the purpose of this example assume the travel times t1 and t2 are included in the off-route factor. Assume the following data Hauled Container system a) Quantity of solid wastes = 230 m3/wk b) Container size = 6 m3/trip c) Container utilization factor = 0.67 d) Container pickup time = 0.33h/trip e) Haul time constants: a = 0.022h/trip and b = 0.014h/km f) At-site time (s) = 0.053h/trip g) Overhead costs = ₹28464 per week h) Operational Costs = ₹1067 per hour of operation Stationary Container system a) Quantity of solid wastes = 230 m3/wk b) Container size = 6 m3/location c) Container utilization factor = 0.67 d) Collection vehicle capacity = 23 m3/trip e) Collection vehicle compaction ratio=2 f) Container unloading time = 0.05h/container g) Haul time constants: a = 0.022h/trip and b=0.014h/km h) At-site time (s) = 0.01h/trip i) Overhead costs = ₹53370 per week j) Operational costs = ₹1423 per hour of operation Location characteristics a) Average distance between container locations = 0.16 km b) Constants for estimating driving time between container locations for both haul and stationary container systems are: a = 0.060 h/trip and b = 0.042 h/km Estimate the average pickup time for the hauled container system? (a) 0.113 h/trip (b) 0.133 h/trip (c) 0.331 h/trip (d) 0.131 h/trip Yes, the answer is correct. Score: 1 Accepted Answers: (b) 0.133 h/trip Estimate the time required per week (Tw) as a function of the round-trip haul distance for hauled container system? (a) 1.74+0.12xd/wk (b) 1.47+0.12 xd/wk (c) 1.74+0.21 xd/wk (d) 1.27+0.12 xd/wk Yes, the answer is correct. Score: 1 Accepted Answers: (a) 1.74+0.12xd/wk Estimate the weekly operational cost as a function of round-trip haul distance for hauled container system? (a) 44044.64+1024.32(x) (b) 40346.64+1024.32(x) (c) 43046.64+1024.32(x) (d) 46446.64+1024.32(x) Yes, the answer is correct. Score: 1 Accepted Answers: (c) 43046.64+1024.32(x) Estimate the number of containers emptied per trip? (a) 11 containers/trip (b) 10 containers/trip (c) 12 containers/trip (d) 9 containers/trip Yes, the answer is correct. Score: 1 Accepted Answers: (a) 11 containers/trip Estimate the pickup time per container for the stationary container system? (a) 1.45h/trip (b) 2.22h/trip (c) 1.12h/trip (d) 1.22h/trip Yes, the answer is correct. Score: 1 Accepted Answers: (d) 1.22h/trip Estimate the No. of trips required per week? (a) 4 trips/week (b) 5 trips/week (c) 6 trips/week (d) 3 trips/week Yes, the answer is correct. Score: 1 Accepted Answers: (b) 5 trips/week Estimate the time required per week, Tw, as a function of the round-trip haul distance for stationary container system? (a) 0.29+0.10x d/wk (b) 0.92+0.01x d/wk (c) 0.01+0.92x d/wk (d) 0.09+0.01x d/wk Yes, the answer is correct. Score: 1 Accepted Answers: (b) 0.92+0.01x d/wk What is the requirement for setting up of an economic transfer station? (a) A disposal sites more than 10 km far from city boundary and smaller vehicles are used for transportation of waste. (b) A disposal sites more than 10 km far from city boundary and transportation of waste by railroads. (c) A disposal sites of 3 km far from city boundary and smaller vehicles are used for transportation of waste. (d) A disposal sites more than 10 km far from city boundary and large dumpster are used for transportation of waste. Yes, the answer is correct. Score: 1 Accepted Answers: (a) A disposal sites more than 10 km far from city boundary and smaller vehicles are used for transportation of waste. If the quantity of waste generated is low, waste separation can be done at (a) Material Recovery Facility (b) Separation at the source (c) After dumping in the landfill (d) None of these Yes, the answer is correct. Score: 1 Accepted Answers: (b) Separation at the source Which of the following does not require size reduction of waste? (a) Reduce storage (b) Reduce shipping cost (c) To get uniform product (d) To reduce volume Yes, the answer is correct. Score: 1 Accepted Answers: (d) To reduce volume Screening is the process of (a) Separation of waste of different densities (b) Separation of waste of different volume (c) Separation of waste of different sizes (d) Separation of waste of different mass Yes, the answer is correct. Score: 1 Accepted Answers: (c) Separation of waste of different sizes Which type of waste separator is used for separation of light material from heavy material based on weight? (a) Screening (b) Density separator (c) Magnetic separator (d) None of these Yes, the answer is correct. Score: 1 Accepted Answers: (b) Density separator What is the technique used to store and transport waste cheaply? (a) Shredding (b) Conveyors (c) Hydraulic and pneumatic system (d) Densification Yes, the answer is correct. Score: 1 Accepted Answers: (d) Densification What is the requirement of a waste drop-off center? (a) The waste generator is not responsible for carrying the waste to the collection station (b) The waste producer has to carry the waste to the collection center (c) The waste producer can purchase the recyclable material (d) None of these Yes, the answer is correct. Score: 1 Accepted Answers: (b) The waste producer has to carry the waste to the collection center Waste such as HDPE or PET are usually separated by (a) Air classification (b) Density blower (c) Conveyor (d) Eddy current separator Yes, the answer is correct. Score: 1 Accepted Answers: (a) Air classification Which among the following are non-recyclable plastics? (a) Low-density polyethylene (b) Polypropylene (c) Composite plastics (d) Polystyrene Yes, the answer is correct. Score: 1 Accepted Answers: (c) Composite plastics What are the stages of glass recycling process? (a) Segregation, glass breaking, trommel, primary rotary screen, secondary rotary screen size classifier, fluidized bed dryer, pulveriser. (b) Segregation, glass breaking, trommel, fluidized bed dryer, pulveriser, primary rotary screen, secondary rotary screen size classifier. (c) Segregation, glass breaking, trommel, fluidized bed dryer, primary rotary screen, pulveriser, secondary rotary screen size classifier. (d) Segregation, trommel, glass breaking, fluidized bed dryer, primary rotary screen, pulveriser, secondary rotary screen size classifier. No, the answer is incorrect. Score: 0 Accepted Answers: (c) Segregation, glass breaking, trommel, fluidized bed dryer, primary rotary screen, pulveriser, secondary rotary screen size classifier. The feasibility of waste for the incineration process should have: (a) Moisture content hand picking large objects> windrow turning> spraying mist spray bio culture> screening (b) Excavation> hand picking large objects> windrow making> windrow turning> spraying mist spray bio culture> screening (c) Excavation> hand picking large objects> spraying mist spray bio culture> windrow making> windrow turning> screening (d) Excavation> hand picking large objects> windrow making> spraying mist spray bio culture> windrow turning> screening Yes, the answer is correct. Score: 1 Accepted Answers: (d) Excavation> hand picking large objects> windrow making> spraying mist spray bio culture> windrow turning> screening Factors affecting LFG transport mechanisms: (a) Permeability (b) Geologic Conditions (c) Landfill cover and liner systems (d) None of these Yes, the answer is correct. Score: 1 Accepted Answers: (a) Permeability (b) Geologic Conditions (c) Landfill cover and liner systems Which of the following should be tested time to time for bioearth? (a) Microorganisms (b) Heavy metals (c) Petrochemicals (d) Radioactive elements Yes, the answer is correct. Score: 1 Accepted Answers: (b) Heavy metals Permissible options for reusing recovered Landfill sites after certain years can be: a) For Open Stadium b) Reuse for SWM c) For Flammable Warehouses d) All of these Yes, the answer is correct. Score: 1 Accepted Answers: a) For Open Stadium b) Reuse for SWM Which of the following activity is most preferred in ISWM hierarchy? a) Recycling b) Waste to Energy c) Source Reduction and Reuse d) Landfills Yes, the answer is correct. Score: 1 Accepted Answers: c) Source Reduction and Reuse The engineering division of local authority is responsible for removing silt from surface drains or stormwater drains deeper than: a) 60 inches b) 60 cm c) 60 foot d) 60 meters Yes, the answer is correct. Score: 1 Accepted Answers: b) 60 cm What is permissible time for collected silt to be on open road? a) 1 hour b) 2 hours c) 4 hours d) 3 hours Yes, the answer is correct. Score: 1 Accepted Answers: c) 4 hours It is the duty of which ministry to setup labs to test the quality of compost produced by local authorities a) Ministry of Urban Development b) Ministry of Chemicals and Fertilizers c) Ministry of Agriculture, Government of India d) Ministry of New and Renewable Energy Sources No, the answer is incorrect. Score: 0 Accepted Answers: c) Ministry of Agriculture, Government of India Which of these e-waste streams is covered under schedule I of the e-waste management rule 2016? (a) Dry cell batteries (b) Li-ion batteries (c) Mercury (d) Plastics Yes, the answer is correct. Score: 1 Accepted Answers: (d) Plastics Maximum allowable value of suspended solids in treated leachate while disposing in land is: a. 100 mg/L b. 600 mg/L c. 200 mg/g d. 200 mg/L Yes, the answer is correct. Score: 1 Accepted Answers: d. 200 mg/L What is the acceptable level of suspended particulate matter in ambient air of at the processing or recycling site? a. 100 μg/m3 (24 hours) b. 60 μg/m3 (24 hours) c. 500 μg/m3 (24 hours) d. 40 μg/m3 (Annual) Yes, the answer is correct. Score: 1 Accepted Answers: c. 500 μg/m3 (24 hours) Which sweeper has lower energy demand in street sweeping? a) Vacuum sweeper b) Mechanical broom sweeper c) Regenerative sweeper d) None of these Yes, the answer is correct. Score: 1 Accepted Answers: b) Mechanical broom sweeper According to the Manual of Solid Waste Management, Dry waste should be segregated in which colour coded Bin? (a) Blue (b) Green (c) White (d) Yellow Yes, the answer is correct. Score: 1 Accepted Answers: (a) Blue List the objectives, which are not framed according to E-Waste management rules 2016? (a) To regulate the generation (b) To reuse the e-waste (c) To regulate the transportation (d) To regulate the disposal of e-waste Yes, the answer is correct. Score: 1 Accepted Answers: (b) To reuse the e-waste Which of this is not a characteristic of PPP project? (a) Value for Money (b) Efficiency (c) Risk Transfer (d) Time period Why there is a need of PPP? (a) Lack of funds with government (b) Private sector has lot more to invest (c) Private sector holds expertise and managerial capacity (d) All of these Which cost process comes under one-time fixed cost related to a project? (a) Front end costs (b) Backend costs (c) Capital costs (d) Social costs Which cost includes the maintenance for leakage from municipal landfill? (a) Operation & Maintenance cost (b) Capital cost (c) Transportation cost (d) Contingent cost Duties of central pollution Control Board includes: (a) identification and allocation of land for setting up of waste processing facilities (b) development of guidelines for maintaining buffer zone (c) publication of the standards and reports in website from time to time (d) development of master plan with all the policies and action plans What is the sequence in implementation of PPP Project? (a) Full feasibility, Identification, Procurement, Operation (b) Identification, Full feasibility, Procurement, Operation (c) Identification, Procurement, Full feasibility, Operation (d) Identification, Operation, Full feasibility, Procurement Which model operates decentralized system of waste management? (a) BOT (b) DBFO (c) DBO (d) Management contract Which of these critical success factors is not considered as crucial for MSWM projects? (a) Integration of informal sector (b) Public awareness (c) Project Feasibility (d) Waste Segregation What provides the pathway for identifying and assessing the costs related to ISWM? (a) Fixed cost accounting (b) Full cost revenue (c) Front end cost (d) Full cost accounting Which type of analysis is performed between transfer station capacity and the finance of transport operations? (a) Financial analysis (b) economic analysis (c) Trade-off analysis (d) Trading analysis