Environmental Engineering Corrosion in concrete sewers is caused by Septic conditions Dissolved oxygen Nitrogen Chlorine Septic conditions Dissolved oxygen Nitrogen Chlorine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For normal sludge, the value of sludge index for Indian conditions is 0 to 50 50 to 150 350 to 500 150 to 350 0 to 50 50 to 150 350 to 500 150 to 350 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The velocity of flow does not depend on Length of sewer Roughness of sewer Hydraulic mean depth of sewer Grade of sewer Length of sewer Roughness of sewer Hydraulic mean depth of sewer Grade of sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The treatment of water with bleaching powder is known as Hypo-chlorination De-chlorination Pre-chlorination Super chlorination Hypo-chlorination De-chlorination Pre-chlorination Super chlorination ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Standard BOD is measured at 30°C - 5 day 25°C - 3 day 20°C - 1 day 20°C - 5 day 30°C - 5 day 25°C - 3 day 20°C - 1 day 20°C - 5 day ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The effect of increasing diameter of sewer on the self cleansing velocity is To increase it Nil Fluctuating To decrease it To increase it Nil Fluctuating To decrease it ANSWER DOWNLOAD EXAMIANS APP
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