Environmental Engineering Which of the following chemical compounds can be used for de-chlorination of water? Chloramines Bleaching powder Carbon dioxide Sulphur dioxide Chloramines Bleaching powder Carbon dioxide Sulphur dioxide 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 300 ppm 200 ppm 100 ppm 400 ppm 300 ppm 200 ppm 100 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The rate of filtration in slow sand filters in million litres per day per hectare is about 1400 to 1500 500 to 600 50 to 60 100 to 150 1400 to 1500 500 to 600 50 to 60 100 to 150 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The suitable layout of distribution system for a city with roads of rectangular pattern is Dead end system Grid iron system Ring system Radial system Dead end system Grid iron system Ring system Radial system ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Ground water is usually free from Suspended impurities None of these Both suspended and dissolved impurities Dissolved impurities Suspended impurities None of these Both suspended and dissolved impurities Dissolved impurities ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering A pipe conveying sewage from plumbing system of a single building to common sewer or point of immediate disposal is called Sub-main sewer Lateral sewer Main sewer House sewer Sub-main sewer Lateral sewer Main sewer House sewer ANSWER DOWNLOAD EXAMIANS APP
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