Environmental Engineering Dissolved oxygen in streams is Minimum at noon Maximum at midnight Same throughout the day Maximum at noon Minimum at noon Maximum at midnight Same throughout the day Maximum at noon ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sludge volume index is defined as the ratio of Percentage of sludge by volume to percentage of total solids by weight Percentage of suspended solids by weight to percentage of sludge by volume Percentage of sludge by volume to percentage of suspended solids by weight Percentage of total solids by weight to percentage of sludge by volume Percentage of sludge by volume to percentage of total solids by weight Percentage of suspended solids by weight to percentage of sludge by volume Percentage of sludge by volume to percentage of suspended solids by weight Percentage of total solids by weight to percentage of sludge by volume ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The type of valve which is provided to control the flow of water in the distribution system at street corners and where the pipe lines intersect is Safety valve Scour valve Check valve Sluice valve Safety valve Scour valve Check valve Sluice valve ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following retards the self purification of stream? None of these Sunlight Higher temperature Satisfying oxygen demand None of these Sunlight Higher temperature Satisfying oxygen demand ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The amount of residual chlorine left in public water supply for safety against pathogenic bacteria is about 0.5 to 1.0 ppm 0.01 to 0.05 ppm 1.0 to 5.0 ppm 0.05 to 0.5 ppm 0.5 to 1.0 ppm 0.01 to 0.05 ppm 1.0 to 5.0 ppm 0.05 to 0.5 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The percentage of chlorine in fresh bleaching powder is about 40 to 50 10 to 15 30 to 35 20 to 25 40 to 50 10 to 15 30 to 35 20 to 25 ANSWER DOWNLOAD EXAMIANS APP