Environmental Engineering The design discharge for the separate sewer system shall be taken as 2 × DWF 6 × DWF 3 × DWF Equal to dry weather flow (DWF) 2 × DWF 6 × DWF 3 × DWF Equal to dry weather flow (DWF) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The layout of distribution system in which water flows towards the outer periphery is Dead end system Ring system Grid iron system Radial system Dead end system Ring system Grid iron system Radial system ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The polluted water is one which Is safe and suitable for drinking and domestic use Contains pathogenic bacteria Is contaminated Consists of undesirable substances rendering it unfit for drinking and domestic use Is safe and suitable for drinking and domestic use Contains pathogenic bacteria Is contaminated Consists of undesirable substances rendering it unfit for drinking and domestic use ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In a BOD test, 1.0 ml of raw sewage was diluted to 100 ml and the dissolved oxygen concentration of diluted sample at the beginning was 6 ppm and it was 4 ppm at the end of 5 day incubation at 20°C. The BOD of raw sewage will be 200 ppm 300 ppm 400 ppm 100 ppm 200 ppm 300 ppm 400 ppm 100 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The characteristics of fresh and septic sewage respectively are Acidic and alkaline Both alkaline Both acidic Alkaline and acidic Acidic and alkaline Both alkaline Both acidic Alkaline and acidic 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 Scour valve Safety valve Sluice valve Check valve Scour valve Safety valve Sluice valve Check valve ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS