State the sanitary significance of pH of water and wastewater.
[3 marks]Find BOD of a wastewater sample, if BOD of the sample is 200 (5,20) (3,27) mg/lit. Take k value at 20 Cas 0.1 day-1 D
[4 marks]Enlist and explain different physical quality parameter of wastewater.
[7 marks]Differentiate between BOD and COD.
[3 marks]Justify the statement “Degree of treatment depends upon the method of disposal”.
[4 marks]Explain the role of microbes in Environment.
[7 marks]Write a short note on water borne diseases.
[7 marks]Enlist different physical and chemical characteristics of water.
[3 marks]Write a short note on DO sag curve.
[4 marks]Enlist different factors favouring dilution as the method of disposal of sewage.
[7 marks]Define 1. Sewage 2. Sullage 3. Manhole
[3 marks]Enlist the principles of a house drainage system.
[4 marks]Explain different types of water demand which has to be considered while designing the water supply scheme of a city.
[7 marks]Give a typical composition of a municipal solid waste.
[3 marks]Explain floor trap and gully trap with neat sketch.
[4 marks]Find the forecasted population of the city for the year 2031 and 2041 using the data given below. Use any three methods of forecasting. Year Population
[7 marks]Explain different sources of air pollution.
[3 marks]Explain the effects of noise pollution on human beings.
[4 marks]Explain landfill method used for disposal of solid waste with its advantages and disadvantages.1
[7 marks]Explain working of a gravitational settling chamber with a neat sketch
[3 marks]Explain the effect of carbon dioxide and oxides of nitrogen on human health
[4 marks]What is sewage sickness? How it can be controlled?
[7 marks]What are the objectives of Environmental Protection Act
[3 marks]Explain in brief, how air pollution due to automobiles can be controlled
[4 marks]Explain the different control measures for noise pollution
[7 marks]