Environmental Engineering Laying of sewers is usually done with the help of A plane table Sight rails and boning rods A Theodolite A compass A plane table Sight rails and boning rods A Theodolite A compass ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The dissolved oxygen level in natural unpolluted waters at normal temperature is found to be of the order of 1 mg/liter 10 mg/liter 100 mg/liter 1000 mg/liter 1 mg/liter 10 mg/liter 100 mg/liter 1000 mg/liter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The main disadvantage of cement concrete sewers is Difficulty in construction Difficulty in transportation due to heavy weight Less life Less strength Difficulty in construction Difficulty in transportation due to heavy weight Less life Less strength ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Turbidity is measured on Standard cobalt scale Standard platinum scale Platinum cobalt scale Standard silica scale Standard cobalt scale Standard platinum scale Platinum cobalt scale Standard silica scale ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If the sewage contains grease and fatty oils, these are removed in Grit chambers Skimming tanks Sedimentation tanks Detritus tanks Grit chambers Skimming tanks Sedimentation tanks Detritus tanks ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The hourly variation factor is usually taken as 1.5 2.0 1.8 2.7 1.5 2.0 1.8 2.7 ANSWER DOWNLOAD EXAMIANS APP