Environmental Engineering The effect of increasing diameter of sewer on the self cleansing velocity is To increase it Fluctuating Nil To decrease it To increase it Fluctuating Nil To decrease it 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) (i) and (iv) (ii) and (iv) (i) and (ii) (ii) and (iii) (i) and (iv) (ii) and (iv) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Period of cleaning of slow sand filters is about 2 - 3 months 24 - 48 hours 10 - 12 days 1 - 2 year 2 - 3 months 24 - 48 hours 10 - 12 days 1 - 2 year ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The treatment of water with bleaching powder is known as Super chlorination Pre-chlorination Hypo-chlorination De-chlorination Super chlorination Pre-chlorination Hypo-chlorination De-chlorination ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum discharge of a tube well is about 5 liters/sec 1000 liters/sec 500 liters/sec 50 liters/sec 5 liters/sec 1000 liters/sec 500 liters/sec 50 liters/sec ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If the sewage contains grease and fatty oils, these are removed in Sedimentation tanks Skimming tanks Grit chambers Detritus tanks Sedimentation tanks Skimming tanks Grit chambers Detritus tanks ANSWER DOWNLOAD EXAMIANS APP
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