Environmental Engineering Which of the following retards the self purification of stream? Sunlight Higher temperature None of these Satisfying oxygen demand Sunlight Higher temperature None of these Satisfying oxygen demand ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The relative stability of a sewage sample, whose dissolved oxygen is same as the total oxygen required to satisfy BOD, is Zero Infinite 100 1 Zero Infinite 100 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The length of rectangular sedimentation tank should not be more than (Where ‘B’ is the width of the tank) 8B 4B B 2B 8B 4B B 2B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Ground water is usually free from None of these Suspended impurities Dissolved impurities Both suspended and dissolved impurities None of these Suspended impurities Dissolved impurities Both suspended and dissolved impurities ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The hydraulic mean depth (HMD) for an egg-shaped sewer flowing two-third full is Less than HMD when flowing full None of these Greater than HMD when flowing full Equal to HMD when flowing full Less than HMD when flowing full None of these Greater than HMD when flowing full Equal to HMD when flowing full ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The amount of residual chlorine left in public water supply for safety against pathogenic bacteria is about 0.05 to 0.5 ppm 1.0 to 5.0 ppm 0.5 to 1.0 ppm 0.01 to 0.05 ppm 0.05 to 0.5 ppm 1.0 to 5.0 ppm 0.5 to 1.0 ppm 0.01 to 0.05 ppm ANSWER DOWNLOAD EXAMIANS APP
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