Waste Water Engineering ‘Cowl’ is provided at Upper end of ventilating column Lower end of ventilating column Upper end of the manhole First step in manhole Upper end of ventilating column Lower end of ventilating column Upper end of the manhole First step in manhole ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The pressure exerted by The sewage when running full from inside, is called internal pressure Pressure sewers are designed to be safe in tension The internal pressure if any, causes tensile stress in the pipe material All listed here The sewage when running full from inside, is called internal pressure Pressure sewers are designed to be safe in tension The internal pressure if any, causes tensile stress in the pipe material All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The laying of sewers is done with Magnetic compass Theodolite Level Clinometer Magnetic compass Theodolite Level Clinometer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If 2% solution of a sewage sample is incubated for 5 days at 20°C and depletion of oxygen was found to be 5 ppm, B.O.D. of the sewage is 200 ppm 225 ppm None of these 250 ppm 200 ppm 225 ppm None of these 250 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Before discharging the foul sewage into rivers, it is generally treated by Oxidation All listed here Sedimentation Screening Oxidation All listed here Sedimentation Screening ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Facultative bacteria survive in The absence of oxygen Neither A nor B Both cases A and B The presence of oxygen The absence of oxygen Neither A nor B Both cases A and B The presence of oxygen ANSWER DOWNLOAD EXAMIANS APP
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