JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD B.Tech III ENVIRONMENTAL ENGINEERING Previous Question Paper (July - 2023 - R16)
Note: i) Question paper consists of Part A, Part B. ii) Part A is compulsory, which carries 25 marks. In Part A, Answer all questions. iii) In Part B, Answer any one question from each unit. Each question carries 10 marks and may have a, b as sub questions.
Part A
What is the significance of water quality monitoring and testing?
Answer
Water quality monitoring is essential to ensure the safety of drinking water supplies by detecting contaminants, preventing waterborne diseases, and verifying compliance with regulatory health standards. It also helps in assessing the effectiveness of water treatment processes.
What are the factors affecting per capita demand?
Answer
Factors affecting per capita demand include: 1) Size and standard of living of the population, 2) Climatic conditions, 3) Industrial and commercial activities, 4) Quality and pressure of the water supply, and 5) Cost of water and metering systems.
Define Coagulation.
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What are the applications of Multimedia filters?
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What is equivalent pipe method?
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What is the advantages of Water carriage system?
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Define COD.
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What is the functions of one pipe system of plumbing?
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What is Soak pit?
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What is the functions of Grit Chamber?
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Part B
Discuss the Arithmetical Increase method and its significance.
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List any four major factors affecting the rate of demand of water and explain the concept of fluctuations in water demand.
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With the help of neat sketches, explain in detail the Infiltration gallery and Infiltration well.
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Distinguish between slow sand and rapid gravity filters.
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What are the design criteria for clarifiers?
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Explain in detail the principles and design factors of sedimentation.
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What is a circular and radial system in Distribution Networks? Give a schematic diagram.
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What is the application of check valves?
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Explain Hardy-Cross method of analysis of complex pipe networks.
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Differentiate Pressurized and Separate Sewers.
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Describe the functions of V-notch method and Float Method.
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Discuss the applications of sewage farming.
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Describe in detail the selection of materials of sewers and its advantages.
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Explain in detail the working mechanism of skimming tank.
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Discuss in detail the types of screens used in waste water treatment.
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Explain in detail the construction and design of Oxidation Ponds.
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What are the factors affecting the sludge digestion?
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