Environmental Engineering Laying of sewers is usually done with the help of A compass A plane table Sight rails and boning rods A Theodolite A compass A plane table Sight rails and boning rods A Theodolite ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The water carriage system of collection of waste product Is cheaper in initial cost than dry conservancy system All of these Creates hygienic problem Requires treatment before disposal Is cheaper in initial cost than dry conservancy system All of these Creates hygienic problem Requires treatment before disposal ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The main disadvantage of cement concrete sewers is Difficulty in construction Less life Difficulty in transportation due to heavy weight Less strength Difficulty in construction Less life Difficulty in transportation due to heavy weight Less strength ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The chemical most commonly used to increase speed of sedimentation of sewage is Copper sulphate Sodium permanganate Sulphuric acid Lime Copper sulphate Sodium permanganate Sulphuric acid Lime ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For a given discharge, the efficiency of sedimentation tank can be increased by Increasing the surface area of tank Decreasing the depth of tank Decreasing the surface area of tank Increasing the depth of tank Increasing the surface area of tank Decreasing the depth of tank Decreasing the surface area of tank Increasing the depth of tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Corrosion in concrete sewers is caused by Chlorine Septic conditions Dissolved oxygen Nitrogen Chlorine Septic conditions Dissolved oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
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