Group A

Environmental engineering: Introduction and scope. Ecology and environment—definitions
and interactions, anthropogenic effects.
Pollution and environmental quality: Air and water quality parameters, variation of water
quality in the hydrogeologic cycle, beneficial uses of water, water ity criteria and standards
for various beneficial uses, air quality criteria, ambient air standards.
Pollutants: Definition, significance, measurement (both air and water).
Wastes: Solid, liquid and gaseous, and their sources and characteristics.
Water and wastewater quality estimation: Population forecast, water demand for various
purposes, variation in quantity of water and wastewater.
Overview and elements of water supply scheme.

Group B


Water/wastewater quality enhancement: Unit operations and processes, physico-chemical vs.
biological methods, solid-liquid separation, grit removal, screening, commutation, mixing,
equalization, coagulation, flocculation, filtration, disinfection, aeration and gas transfer,
precipitation, softening, adsorption and ion exchange.
Surface and groundwater treatment: Sequencing of unit operations and processes, plant
layout, hydraulic considerations-Rural water supply and sanitation.
Wastewater collection system and water distribution system: Review of analysis, design and



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