JNTU
JNTU B.Tech III ENVIRONMENTAL ENGINEERING Previous Question Paper (March-2024 - 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
Name out any two waterborn diseases.
Answer
Two common waterborne diseases are cholera and typhoid fever.
What are the various sources of water?
Answer
The primary sources of water include surface water sources such as rivers, lakes, streams, and reservoirs, and subsurface or groundwater sources such as wells, tube wells, and infiltration galleries.
Define sedimentation.
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Give the importance of rapid gravity filters.
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What is distribution system requirements?
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Name out various valves and their importance.
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What are sewage characters?
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Give brief note on house drainage.
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What is grit chamber?
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Explain importance of trickling filters.
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Part B
Why water supply should be protected, explain.
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Give brief note on drinking water standards.
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Describe various types of water demands.
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Give brief note on infiltration galleries.
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Explain flocculation clarifier design.
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Give brief note on filtration theory, explain importance of multimedia filters.
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How filters will be design, give the troubles in design?
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What is disinfection, explain their practices.
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Give brief note on Hardy Cross pipe design.
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What is the importance of laying and testing of pipe lines?
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Describe conservancy and water carriage systems.
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Why distribution system required, explain its layout.
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Explain sewage decay and decomposition.
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Compare one pipe and two pipe systems of plumbing.
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Define COD, explain sewers design.
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Describe sanitary fittings and traps.
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Illustrate construction and design of oxidation ponds.
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Explain biological treatment and its importance.
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Distinguish skimming and sedimentation tanks.
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Explain sludge disposal by drying.
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