Waste Water Engineering To test chemical oxygen demand (C.O.D.) of sewage, organic matter is oxidised by potassium dichromate in the presence of Citric acid Hydrochloric acid Sulphuric acid Nitric acid Citric acid Hydrochloric acid Sulphuric acid Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Fresh sewage may become stale in Two to three hours Three to four hours One hour Six hours Two to three hours Three to four hours One hour Six hours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering To prevent settling down of sewage both at the bottom and on the sides of a large sewer, self-cleaning velocity recommended for Indian conditions, is 0.60 m/sec 0.70 m/sec 0.75 m/sec 0.50 m/sec 0.60 m/sec 0.70 m/sec 0.75 m/sec 0.50 m/sec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Hydraulic mean radius is Mean of radii in a pipe line of varying cross -sections Cross-sectional area/wetted perimeter Mean radius of sewer Difference in heads between two points in circular pipes Mean of radii in a pipe line of varying cross -sections Cross-sectional area/wetted perimeter Mean radius of sewer Difference in heads between two points in circular pipes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The laying of sewers is done with Clinometer Magnetic compass Level Theodolite Clinometer Magnetic compass Level Theodolite ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewerage system consists of Branch sewer House sewer Lateral sewer All of these Branch sewer House sewer Lateral sewer All of these ANSWER DOWNLOAD EXAMIANS APP
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