NPTEL Wastewater Treatment And Recycling Week 1 Assignment Answer 2023:- All the Answers provided below to help the students as a reference, You must submit your assignment at your own knowledge.
NPTEL Wastewater Treatment And Recycling Week 1 Assignment Answer 2023
1. Which of the following component of wastewater is often not considered as a resource?
a. Water
b. Nutrient
c. Organic matters
d. Pathogens
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2. Wastewater generated from laundry and showers are typically referred as:
a. Brown water
b. Greywater
c. Black water
d. Stormwater
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3. Identify the correct statements regarding non-point sources of pollution:
Statement I: Non-point pollution sources are usually difficult to monitor and control
in comparison to point sources
Statement II: The individual as well as collective contributions of the non-point
sources are always small.
a. Statement I is correct. while statement Il is incorrect
b. Statement II is correct, while statement I is incorrect
c. Both, statements I and II are correct
d. Both, statements I and II are incorrect
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4. Sort the following in Point and Non-Point sources of pollution:
i. Industrial Effluent
in. Discharge from sewage treatment plant
in. Urban runoff
iv. Atmospheric deposition
a. Point Sources – i, iv; Non-Point Sources – ii, iii
b. Point Sources – i. iii: Non-Point Sources – ii. iv
c. Point Sources – i. iii: Non-Point Sources – i. iv
d. Point Sources – in, iv; Non-Point Sources – i. ill
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5. Adequate wastewater treatment may result in the recovery of:
a. Reclaimed water
b. Nitrogen and Phosphorous
c. Energy
d. All of the above
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6. Which of these is included in greywater:
a. Toilet flush
b. Urine
c. Kitchen drain
d. All of the above
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7. Identify the correct statements regarding contaminants and pollutants:
Statement I: A pollutant always has harmful effects on the surroundings while a contaminant may or may not have the same.
Statement II: A pollutant may be a component of the system while a contaminant is usually introduced from the outside.
a. Statement I is correct. while statement II is incorrect
b. Statement II is correct, while statement I is incorrect
c. Both, statements I and II are correct
d. Both, statements I and II are incorrect
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8. An example of the direct impact of inadequately managed wastewater on the ecosystem is
a. Eutrophication
b. Climate Change
c. Acid Rain
d. All of the above
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9. Which of this is not a technique for the wastewater treatment?
a. Septic Tank
b. Settling and filtration
c. Dilution with freshwater
d. Biological processing for organic contaminants breakdown
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10. Match the type of effects of improper wastewater management with the related examples:
a. (1)-B, (11)-A (in1)-C
b. (i)-C. (in)-A. (ji)-B
c. (i)-C. (ii)-B. (iii)-A
d. (i)-A. (ii)-C. (ini)-B
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11. Which of the following wastewater types are relatively easiest to treat for reuse applications?
a. Municipal sewage
b. Black water
c. Greywater
d. Industrial effluent
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12. Which of the following is more adequate as an example of wastewater reuse in environmental sector?
a. Discharge of treated sewage to agricultural fields
b. Discharge of untreated sewage to a river
c. Treated wastewater recycling for toilet flushing
d. Artificial groundwater recharge with treated sewage
Answer :-
13. Typically, pollution load is considered highest in:
a. Municipal Wastewater
b. Industrial Wastewater
c. Agricultural Wastewater
d. Stormwater
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14. Which of the following is India’s central government programme does include wastewater or greywater management as one of their components?
a. Swachh Bharat Mission
b. National Mission for Clean Ganga
c. Jal Jeevan Mission
d. All of the above
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15. Identify the CORRECT statements regarding decentralized wastewater management:
a. Recycling of wastewater is comparatively easier
b. Disposal or treatment location may be far away from the origin point
c. Large wastewater treatment plant is needed
d. Long-distances transport of sewage is needed
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| Course Name | Wastewater Treatment And Recycling |
| Category | NPTEL Assignment Answer |
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