Environmental Engineering The chemical most commonly used to increase speed of sedimentation of sewage is Sulphuric acid Lime Sodium permanganate Copper sulphate Sulphuric acid Lime Sodium permanganate Copper sulphate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Ground water is usually free from None of these Suspended impurities Both suspended and dissolved impurities Dissolved impurities None of these Suspended impurities Both suspended and dissolved impurities Dissolved impurities ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Turbidity is measured on Platinum cobalt scale Standard platinum scale Standard cobalt scale Standard silica scale Platinum cobalt scale Standard platinum scale Standard cobalt scale Standard silica scale ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The settling velocity of a particle in a sedimentation tank depends on None of these Depth of tank Both depth and surface area of tank Surface area of tank None of these Depth of tank Both depth and surface area of tank Surface area of tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The design discharge for the combined sewer system shall be taken as Rainfall + 6 DWF Equal to rainfall Rainfall + DWF Rainfall + 2 DWF Rainfall + 6 DWF Equal to rainfall Rainfall + DWF Rainfall + 2 DWF ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to higher pH values, the contact period required for efficient chlorination at lower pH values is None of these Larger Same Smaller None of these Larger Same Smaller ANSWER DOWNLOAD EXAMIANS APP