Municipal Solid Waste Management Week 2 NPTEL Assignemt Answers 2025
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✅ Subject: Municipal Solid Waste Management
📅 Week: 2
🎯 Session: NPTEL 2025 July-October
🔗 Course Link: Click Here
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NPTEL Municipal Solid Waste Management Week 2 Assignemt Answers 2025
1. In the functional element of Municipal Solid Waste Management, processing and transformation are followed by:
- Transfer and transport
- Secondary collection
- Disposal
- Storage
Answer : c
2. Which type of waste needs to be discarded in blue bins for segregation of household waste?
- Soiled tissues, paper, cardboard, and discarded clothing.
- Paper, cardboard, plastics, wood, metals, glass.
- E-waste, household medical waste, batteries, and lights bulbs.
- Soiled tissues, food wrappers, paper towels; fish and meat.
Answer : b
3. What is the maximum distance between a house and a nearest dustbin for waste storage?
- 250 m
- 500 m
- 100 m
- 50 m
Answer : See Answers
4. Which is the most common onsite processing operations used at residential dwellings for dry waste?
- Incineration
- Composting
- Anaerobic digestion
- Vermicomposting
Answer :
5. What are the processing technologies used for sanitary waste?
- Gasification
- Anaerobic digestion
- Gasification and incineration
- Autoclaving and incineration
Answer :
6. What are the techniques used to speed up the composting process?
- Addition of more waste
- Maintaining optimum ratio of wet and dry waste
- Addition of microorganism
- Reducing the moisture content to 20 percent
Answer : See Answers
7. Which type of composting is done only at the household level?
- In-vessel composting
- Pile composting
- Vermicomposting
- Pit composting
Answer :
8. Which of the following is included in the secondary collection of waste?
- Curb services
- Alley services
- Setout services
- Haul container system
Answer :
9. In which waste collection services is the homeowner responsible for returning the containers to their storage location?
- Backyard services
- Setout services
- Setout-setback services
- Door to door services
Answer :
10. In which collection services the cost due to size and time requirement is highest?
- Curb services
- Alley services
- Setout setback services
- Backyard services
Answer : See Answers
NPTEL Municipal Solid Waste Management Week 2 Assignemt Answers 2024
1. 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
Answer: (c) Disposal
Explanation: After waste is processed or transformed, the final step is disposal, where the treated waste is safely dumped in landfills or other disposal facilities.
2. 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, light bulbs
(d) Soiled tissues, food wrappers, paper towels; fish and meat
Answer: (b)
Explanation: Blue bins are usually designated for recyclable dry waste like plastics, metals, glass, and paper/cardboard.
3. 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
Answer: (a)
Explanation: According to standard municipal guidelines, the maximum distance from a house to a dustbin should be 250 meters to encourage proper waste disposal.
4. Which is the most common onsite processing operations used at residential dwellings for dry waste?
(a) Incineration ✅
(b) Composting
(c) Anaerobic digestion
(d) Vermicomposting
Answer: (a)
Explanation: Incineration is a common method used to process dry waste, especially non-recyclables, at the source or local level.
5. What are the processing technologies used for sanitary waste?
(a) Gasification
(b) Anaerobic digestion
(c) Gasification and incineration
(d) Autoclaving and incineration ✅
Answer: (d)
Explanation: Sanitary waste is processed using autoclaving (sterilization) and incineration to kill pathogens and reduce volume.
6. 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
Answer: (c)
Explanation: Adding composting microorganisms or bio-cultures helps accelerate decomposition of organic matter.
7. Which type of composting is done only at household level?
(a) In-vessel composting ✅
(b) Pile composting
(c) Vermicomposting
(d) Pit composting
Answer: (a)
Explanation: In-vessel composting is a compact method suitable for households as it contains the compost in a closed container.
8. Which of the following is included in secondary collection of waste?
(a) Curb services
(b) Alley services
(c) Setout services
(d) Haul container system ✅
Answer: (d)
Explanation: Secondary collection involves transporting waste from local storage to processing sites, and haul container systems are typically used for this.
9. 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
Answer: (b)
Explanation: In Setout services, the homeowner sets out the bin, and after collection, is responsible for returning it.
10. 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
Answer: (c)
Explanation: Setout-setback services are costly because they require manual labor to both place and return containers, which increases time and operational expense.
