Environmental Engineering On standard silica scale, the turbidity in drinking water should be limited to 10 ppm 20 ppm 50 ppm 30 ppm 10 ppm 20 ppm 50 ppm 30 ppm 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 Sluice valve Scour valve Safety valve Check valve Sluice valve Scour valve Safety valve Check valve ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The velocity of flow does not depend on Roughness of sewer Hydraulic mean depth of sewer Length of sewer Grade of sewer Roughness of sewer Hydraulic mean depth of sewer Length of sewer Grade of sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Alkalinity in water is expressed as milligrams per litre in terms of equivalent Calcium carbonate Calcium hydroxide Sodium carbonate Magnesium carbonate Calcium carbonate Calcium hydroxide Sodium carbonate Magnesium carbonate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to geometrical increase method of forecasting population, arithmetical increase method gives Same value Higher value Accurate value Lesser value Same value Higher value Accurate value Lesser value ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Period of cleaning of slow sand filters is about 2 - 3 months 24 - 48 hours 1 - 2 year 10 - 12 days 2 - 3 months 24 - 48 hours 1 - 2 year 10 - 12 days ANSWER DOWNLOAD EXAMIANS APP
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