Environmental Engineering The most common cause of acidity in water is Nitrogen Hydrogen Oxygen Carbon dioxide Nitrogen Hydrogen Oxygen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The effect of increasing diameter of sewer on the self cleansing velocity is To decrease it Nil To increase it Fluctuating To decrease it Nil To increase it Fluctuating ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The commonly used material for water supply pipes, which has the properties of being strong, not easily corroded and long life but is heavy and brittle, is Cast iron Steel Reinforced cement concrete Copper Cast iron Steel Reinforced cement concrete Copper ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If the sewage contains grease and fatty oils, these are removed in Detritus tanks Grit chambers Skimming tanks Sedimentation tanks Detritus tanks Grit chambers Skimming tanks Sedimentation tanks ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Disinfection efficiency is Reduced at higher pH value of water Increased at higher pH value of water Unaffected by pH value of water Highest at pH value equal to 7 Reduced at higher pH value of water Increased at higher pH value of water Unaffected by pH value of water Highest at pH value equal to 7 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The percentage of chlorine in fresh bleaching powder is about 30 to 35 10 to 15 20 to 25 40 to 50 30 to 35 10 to 15 20 to 25 40 to 50 ANSWER DOWNLOAD EXAMIANS APP
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