State the role of microorganisms in the environment.
[3 marks]Differentiate quality wise surface water and ground water sources.
[4 marks]Give IS standards for drinking water in India. Differentiate quality wise surface water and ground
[7 marks]Dwifafteerre nsotiuartec ebse. t ween: BOD and COD.
[3 marks]Enlist and explain any two methods of population forecasting.
[4 marks]What cause acidity and alkalinity in water? Describe the procedure of laboratory analysis of acidity.
[7 marks]Explain different types of water demands that are to be considered while designing the water supply system of a town.
[7 marks]Explain working of bell type flushing cistern with sketch.
[3 marks]Write a short note on sewage sickness.
[4 marks]State the principles of house drainage system.
[7 marks]Explain the Difference between temporary and permanent hardness.
[3 marks]Write a short note on sewage sickness.
[4 marks]Which are the main components of house drainage system? Explain different types of traps in detail.
[7 marks]Discuss different compositions of typical Indian solid waste
[3 marks]Write a short note on Aerobic Decomposition.
[4 marks]Why solid waste management is important. Draw solid waste management system flow chart with brief detail.
[7 marks]Define the following terms : (1)Vent pipe,(2) Rainwater pipe, (3)soil pipe
[3 marks]Write effects of Air Pollution on Property and Material.
[4 marks]Enumerate different air pollution control devices and explain the function of electrostatic precipitator in detail.
[7 marks]Write note on EIA.
[3 marks]Explain in brief The environment (Protection) Act – 1986.
[4 marks]Define Noise pollution and its unit of measurement. Which are the sources of Noise pollution?
[7 marks]Give classification of source of air pollution.
[3 marks]Explain sanitary land filling in detail with its merits and demerits.
[4 marks]Explain in detail the D.O. sag curve.
[7 marks]