Question Paper: Environmental Engineering : Question Paper Dec 2015 - Civil Engineering (Semester 5) | Gujarat Technological University (GTU)
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Environmental Engineering - Dec 2015

Civil Engineering (Semester 5)

TOTAL MARKS:
TOTAL TIME: HOURS

1(a) Explain different phases of microbial growth and draw neat sketch of it.(7 marks) 1(b) Explain with neat sketch DO sag curve and write stricter Phelp's equation.(7 marks) 2(a) Write a short note on Water borne Diseases.(7 marks)


Solved any one question from Q.2(b) & Q.2(c)

2(b) Explain 1 st stage BOD and derive its formula with usual notations Lt = L0 (1-10-kt ).(7 marks) 2(c) State physical and Chemical characteristics of water and describe any two physical characteristics in detail.(7 marks)


Solved any one question from Q.3 & Q.4

3(a) Explain zones of pollution in a river with a neat sketch.(7 marks) 3(b) During BOD test conducted on a 5% dilution of waste, the following observations were taken
(i) DO of aerated water used for dilution = 3.6mg/l
(ii) DO of original sample = 0.8mg/l.(iii) DO of diluted sample after 5 day incubation = 0.7 mg/l
Compute : (a) 5 day BOD (b)Ultimate BOD
Assume deoxygenation constant at test temperature = 0.12
(7 marks)
4(a) Enlist different components of House drainage system and explain any two in detail.(7 marks) 4(b) Classify the traps in house drainage system.(7 marks)


Solved any one question from Q.5 & Q.6

5(a) Enlist the advantages and disadvantages of Sanitary land filling.(7 marks) 5(b) Give the classification of Municipal solid waste in brief.(7 marks) 6(a) Write a short note on Incineration.(7 marks) 6(b) What is solid waste management? Enlist its objectives.(7 marks)


Solved any one question from Q.7 & Q.8

7(a) Explain the effects of air pollution on human health.(7 marks) 7(b) Give a classification of Air pollutants.(7 marks) 8(a) Write a short note on Environmental Impact Assessment.(7 marks) 8(b) What is Noise pollution? Describe the major effects of Noise pollution.(7 marks)

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