Waste Water Engineering The asbestos cement sewers are Not structurally strong to bear large compressive stress Susceptible to corrosion by sulphuric acid Light in weight All of these Not structurally strong to bear large compressive stress Susceptible to corrosion by sulphuric acid Light in weight All of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The pressure exerted by Pressure sewers are designed to be safe in tension All listed here The internal pressure if any, causes tensile stress in the pipe material The sewage when running full from inside, is called internal pressure Pressure sewers are designed to be safe in tension All listed here The internal pressure if any, causes tensile stress in the pipe material The sewage when running full from inside, is called internal pressure ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For detecting the nitrates in sewage, the colour may be developed by adding Phenol-di -sulphuric acid and potassium hydroxide Sulphuric acid and napthamine Potassium permanganate None of these Phenol-di -sulphuric acid and potassium hydroxide Sulphuric acid and napthamine Potassium permanganate None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The reduced levels of the string at the consecutive sight rails A and B are 203.575 m, 203.475 m respectively. If the difference of their R.D.s is 10 m, the gradient of the sewer line is 1 in 100 downward 1 in 100 upward 1 in 503 upward 1 in 500 upward 1 in 100 downward 1 in 100 upward 1 in 503 upward 1 in 500 upward ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Skimming tanks are Tanks provided with self- cleansing screens Used to remove the grease and oil Improved version of grit chambers Those from which sludge is skimmed out Tanks provided with self- cleansing screens Used to remove the grease and oil Improved version of grit chambers Those from which sludge is skimmed out ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The grit chambers of sewage treatment plants, are generally cleaned after 14 days 7 days 2 days 12 days 14 days 7 days 2 days 12 days ANSWER DOWNLOAD EXAMIANS APP