Give the classification of microorganisms.
[3 marks]Enlist and explain different sources of surface water.
[4 marks]Explain different type of water demands in brief.
[7 marks]Write short note on sewage sickness.
[3 marks]The 5 days 20oC BOD of sewage is 160mg/litre. Calculate its 2 days 30oC BOD. Assume the deoxygenation constant at 20oC Kas 0.1/day. D(20°)
[4 marks]Explain the factors affecting self purification capacity of the river.
[7 marks]Explain with sketch DO Sag curve.
[7 marks]What is pH? How is pH measured?
[3 marks]Write short note on water borne diseases.
[4 marks]What do you mean by temporary and permanent hardness. Explain in detail.
[7 marks]Explain different types of solids found in wastewater
[3 marks]Give sanitary significance of following parameters, with reference to drinking water: 1. Nitrate 2. Fluoride 3. Mercury
[4 marks]Explain different physical and chemical characteristics of wastewater.
[7 marks]Define: 1. Sullage 2. Soil pipe 3. Nahni trap
[3 marks]Explain land fill method used for disposal of solid waste.
[4 marks]Enlist the principles of house drainage system.
[7 marks]Define composting method for disposal of solid waste.
[3 marks]What is solid waste management. Explain in detail.
[4 marks]Explain different types of plumbing systems used for house drainage.
[7 marks]How is noise measured? Describe method of controlling noise pollution.
[3 marks]What is Primary and secondary pollutants.
[4 marks]Enumerate different air pollution control devices and functioning cyclone precipitator.
[7 marks]State the sources of noise pollution.
[3 marks]Explain different equipments used for control of particulate matter.
[4 marks]What is the Environmental (Protection) Act-1986, what are its objectives?
[7 marks]