Environmental Engineering As compared to cast iron pipes, steel pipes are Heavier Less susceptible to corrosion Stronger Costlier Heavier Less susceptible to corrosion Stronger Costlier ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Ground water is usually free from None of these Both suspended and dissolved impurities Dissolved impurities Suspended impurities None of these Both suspended and dissolved impurities Dissolved impurities Suspended impurities ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Disinfection of water results in Removal of turbidity Removal of hardness Complete sterilisation Killing of disease bacteria Removal of turbidity Removal of hardness Complete sterilisation Killing of disease bacteria ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In lime-soda process Lime reduces the non-carbonate hardness and soda-ash removes the carbonate hardness Only noncarbonated hardness is removed Lime reduces the carbonate hardness and soda-ash removes the non-carbonate hardness Only carbonate hardness is removed Lime reduces the non-carbonate hardness and soda-ash removes the carbonate hardness Only noncarbonated hardness is removed Lime reduces the carbonate hardness and soda-ash removes the non-carbonate hardness Only carbonate hardness is removed ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The process in which the chlorination is done beyond the break point is known as Super chlorination Break point chlorination Pre-chlorination Post chlorination Super chlorination Break point chlorination Pre-chlorination Post chlorination 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 300 ppm 400 ppm 200 ppm 100 ppm 300 ppm 400 ppm 200 ppm 100 ppm ANSWER DOWNLOAD EXAMIANS APP
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