Municipal Solid Waste Management Nptel Week 4 Answers
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Municipal Solid Waste Management Nptel Week 4 Answers (July-Dec 2025)
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Question 1. 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.
Question 2. 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
Question 3. 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
Question 4. 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
Question 5. 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
These are Municipal Solid Waste Management Nptel Week 4 Answers
Question 6. What is the technique used to store and transport waste cheaply?
a) Shredding
b) Conveyors
c) Hydraulic and pneumatic system
d) Densification
Question 7. What is the requirement of a waste drop off centre?
a) The waste generator is not responsible to carry the waste to the collection station
b) The waste producer has to carry the waste to the collection centre
c) The waste producer can purchase the recyclable material
d) None of these
Question 8. Waste such as HDPE or PET are usually separated by:
a) Air classification
b) Density blower
c) Conveyor
d) Eddy current separator
Question 9. Which among the following are non-recyclable plastics?
a) Low density polyethylene
b) Polypropylene
c) Composite plastics
d) Polystyrene
Question 10. 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
These are Municipal Solid Waste Management Nptel Week 4 Answers