STUPIDSID
1(a)
Explain different phases of microbial growth and draw neat sketch of it.
7 M
1(b)
Explain with neat sketch DO sag curve and write stricter Phelp's equation.
7 M
2(a)
Write a short note on Water borne Diseases.
7 M
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 M
2(c)
State physical and Chemical characteristics of water and describe any two physical characteristics in detail.
7 M
Solved any one question from Q.3 & Q.4
3(a)
Explain zones of pollution in a river with a neat sketch.
7 M
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
(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 M
4(a)
Enlist different components of House drainage system and explain any two in detail.
7 M
4(b)
Classify the traps in house drainage system.
7 M
Solved any one question from Q.5 & Q.6
5(a)
Enlist the advantages and disadvantages of Sanitary land filling.
7 M
5(b)
Give the classification of Municipal solid waste in brief.
7 M
6(a)
Write a short note on Incineration.
7 M
6(b)
What is solid waste management? Enlist its objectives.
7 M
Solved any one question from Q.7 & Q.8
7(a)
Explain the effects of air pollution on human health.
7 M
7(b)
Give a classification of Air pollutants.
7 M
8(a)
Write a short note on Environmental Impact Assessment.
7 M
8(b)
What is Noise pollution? Describe the major effects of Noise pollution.
7 M
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