Environmental Engineering Which of the following values of pH represents a stronger acid? 3 4 2 5 3 4 2 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The effect of increasing diameter of sewer on the self cleansing velocity is To increase it To decrease it Fluctuating Nil To increase it To decrease it Fluctuating Nil ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Period of cleaning of slow sand filters is about 10 - 12 days 24 - 48 hours 2 - 3 months 1 - 2 year 10 - 12 days 24 - 48 hours 2 - 3 months 1 - 2 year ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Disinfection efficiency is Highest at pH value equal to 7 Unaffected by pH value of water Increased at higher pH value of water Reduced at higher pH value of water Highest at pH value equal to 7 Unaffected by pH value of water Increased at higher pH value of water Reduced at higher pH value of water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum permissible limit for fluoride in drinking water is 0.1 mg/liter 5 mg/liter 1.5 mg/liter 10 mg/liter 0.1 mg/liter 5 mg/liter 1.5 mg/liter 10 mg/liter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For normal sludge, the value of sludge index for Indian conditions is 0 to 50 350 to 500 50 to 150 150 to 350 0 to 50 350 to 500 50 to 150 150 to 350 ANSWER DOWNLOAD EXAMIANS APP