Environmental Engineering The type of sewer which is suitable for both combined and separate system is Egg shaped sewer Semi-elliptical sewer Horseshoe type sewer Circular sewer Egg shaped sewer Semi-elliptical sewer Horseshoe type sewer Circular sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Cleaning is done by (i) Scraping and removal in filters slow sand (ii) Back washing in slow sand filters (iii) Scraping and removal in filters rapid sand (iv) Back washing in rapid sand filters The correct answer is (ii) and (iii) (ii) and (iv) (i) and (ii) (i) and (iv) (ii) and (iii) (ii) and (iv) (i) and (ii) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The slope of sewer shall be Steeper than 1 in 20 Given in the direction of natural slope of ground Given in the direction opposite to natural slope of ground Zero Steeper than 1 in 20 Given in the direction of natural slope of ground Given in the direction opposite to natural slope of ground Zero ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Ground water is usually free from None of these Dissolved impurities Both suspended and dissolved impurities Suspended impurities None of these Dissolved impurities Both suspended and dissolved impurities Suspended impurities ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The gas from sludge digestion tank is mainly composed of Carbon dioxide Methane Nitrogen Hydrogen sulphide Carbon dioxide Methane Nitrogen Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If the sewage contains grease and fatty oils, these are removed in Sedimentation tanks Skimming tanks Detritus tanks Grit chambers Sedimentation tanks Skimming tanks Detritus tanks Grit chambers ANSWER DOWNLOAD EXAMIANS APP
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