Environmental Engineering The self cleansing velocity for all sewers in India is usually 3.0 m/sec to 3.5 m/sec Less than 1.0 m/sec 1.5 m/sec to 2.0 m/sec 1.0 m/sec to 1.2 m/sec 3.0 m/sec to 3.5 m/sec Less than 1.0 m/sec 1.5 m/sec to 2.0 m/sec 1.0 m/sec to 1.2 m/sec ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The type of valve, which is provided on the suction pipe in a tube-well, is Pressure relief valve Reflux valve Air relief valve Sluice valve Pressure relief valve Reflux valve Air relief valve Sluice valve ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Assertion A: The consumption of water increases with increase in the distribution pressure.Reason R: Higher distribution pressure causes more loss and waste of waterSelect your answer according to the coding system given below Both A and R is true but R is not the correct explanation of A A is false but R is true A is true but R is false Both A and R is true and R is the correct explanation of A Both A and R is true but R is not the correct explanation of A A is false but R is true A is true but R is false Both A and R is true and R is the correct explanation of A ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The design discharge for the combined sewer system shall be taken as Rainfall + 6 DWF Rainfall + 2 DWF Equal to rainfall Rainfall + DWF Rainfall + 6 DWF Rainfall + 2 DWF Equal to rainfall Rainfall + DWF 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 400 ppm 200 ppm 300 ppm 100 ppm 400 ppm 200 ppm 300 ppm 100 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The gas from sludge digestion tank is mainly composed of Carbon dioxide Nitrogen Methane Hydrogen sulphide Carbon dioxide Nitrogen Methane Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
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