Envlmnt No.
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GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER- V (New) EXAMINATION - WINTER 2019
Subject Code: 2150603 Date: 04/12/2019
Subject Name: Environmental Engineering
Time: 10:30 AM TO 01:00 PM Total Marks: 70
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Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
Q.1 (a) Enlist the different chemical parameters for water. Explain any one chemical parameter in detail. 03
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(b) Differentiate quality wise surface water and ground water sources. 04
(c) What is a waterborne disease? Discuss any one waterborne disease, its origin, spread and control in details 07
Q.2 (a) What are the limitations of BOD test? 03
(b) Enlist the different types of microorganism and explain their role in environment. 04
(c) Write a short note on self-purification of natural streams 07
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OR
(c) Write a short note on transfer stations. How location of transfer stations is decided? 07
Q.3 (a) Explain with neat sketch one pipe plumbing system. 03
(b) Write a short note on sewage sickness. 04
(c) Which are the main components of house drainage system? Explain different types of traps in detail. 07
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OR
Q.3 (a) Discuss relationship between different components of environment. 03
(b) Define the following terms : 04
- Vent pipe
- Rainwater pipe
- Soil pipe
- Anti-siphonage pipe
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(c) Why solid waste management is important. Draw solid waste management system flow chart with brief detail. 07
Q.4 (a) What are the sources of Alkalinity in water? 03
(b) Write effects of Air Pollution on Property and Material. 04
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(c) Define Noise pollution and its unit of measurement. Which are the sources of Noise pollution? 07
OR
Q.4 (a) What are the objectives of solid waste management? 03
(b) Define (i) Rubbish (ii) Garbage (iii) BOD (iv) Aerosol 04
(c) Explain in detail the D.O. sag curve. 07
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Q.5 (a) Write a brief note on Anglo Indian type water closet with sketch. 03
(b) Write short note on” mechanical composting.” 04
(c) Write drinking water quality standards as per BIS. 07
OR
Q.5 (a) Write note on EIA. 03
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(b) Explain in brief The environment (Protection) Act — 1986. 04
(c) Enlist the different equipments used for control of particulate pollution. 07
Explain any one in detail with advantages and disadvantages.
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