PART I-CIVIL
ENGINEERING
Environmental
Engineering
Sources of water supply Quantification of water demand
through population forecasting fluctuations in demand,Types of pumps and
location of pumping station,Quality of water-Drinking water standards.Physical,
chemical and biological analysis,Treatment of water,Theory and principles of
Sedimentation tanks,Stoke’s law.Types of settling,Coagulation-Mixing,Flocculation,Clariflocculator,Filtration,Types
of filters,Rapid sand,Slow sand,and Pressure filters,Methods of
Disinfection,Taste and Odour removal.Fluoridation,Defluoridation,Lay out of
water distribution network,Methods of distribution-Hardy cross method,Equivalent
pipe method.
Waste water Characteristics,Systems of sewerage,Design of
circular sewer,Waste water disposal systems,Dilution techniques,land
treatment,Self purification of streams,Treatment of sewage,Theory and
Principles of Screen and Grit chamber,Detritus chamber,Skimming tank,Primary
treatment-Sedimentation tank,Trickling filter,Activated sludge process,Septic
tank,Oxidation pond.Sludge treatment and disposal methods.