Environmental Engineering Disinfection efficiency is Highest at pH value equal to 7 Reduced at higher pH value of water Increased at higher pH value of water Unaffected by pH value of water Highest at pH value equal to 7 Reduced at higher pH value of water Increased at higher pH value of water Unaffected by pH value of water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The biochemical treatment of sewage effluents is essentially a process of Alkalinization Reduction Dehydration Oxidation Alkalinization Reduction Dehydration Oxidation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In water treatment, rapid gravity filters are adopted to remove Floating solids and dissolved inorganic solids Dissolved organic substances Dissolved solids and dissolved gases Bacteria and colloidal solids Floating solids and dissolved inorganic solids Dissolved organic substances Dissolved solids and dissolved gases Bacteria and colloidal solids ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The method of analysis of distribution system in which the domestic supply is neglected and fire demand is considered is Equivalent pipe method Circle method Electrical analysis method Hardy cross method Equivalent pipe method Circle method Electrical analysis method Hardy cross method ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The chemical most commonly used to increase speed of sedimentation of sewage is Sulphuric acid Sodium permanganate Copper sulphate Lime Sulphuric acid Sodium permanganate Copper sulphate Lime ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sewerage system is usually designed for 27 years 28 years 25 years 26 years 27 years 28 years 25 years 26 years ANSWER DOWNLOAD EXAMIANS APP
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