Environmental Engineering Disinfection efficiency is Highest at pH value equal to 7 Reduced at higher pH value of water Unaffected by pH value of water Increased at higher pH value of water Highest at pH value equal to 7 Reduced at higher pH value of water Unaffected by pH value of water Increased at higher pH value of water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The percentage of chlorine in fresh bleaching powder is about 40 to 50 20 to 25 30 to 35 10 to 15 40 to 50 20 to 25 30 to 35 10 to 15 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The disinfection efficiency of chlorine increases by (i) Decreasing the time of contact (ii) Decreasing the temperature of water (iii) Increasing the temperature of water Both (i) and (ii) Both (i) and (iii) Only (iii) Only (i) Both (i) and (ii) Both (i) and (iii) Only (iii) Only (i) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For the same solid content, if the quantity of sludge with moisture content of 98% is X, then the quantity of sludge with moisture content of 96% will be X X/2 X/4 2X X X/2 X/4 2X ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The process in which the chlorination is done beyond the break point is known as Pre-chlorination Post chlorination Break point chlorination Super chlorination Pre-chlorination Post chlorination Break point chlorination Super chlorination ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The suitable method of forecasting population for a young and rapidly increasing city is Arithmetical increase method Graphical method Incremental increase method Geometrical increase method Arithmetical increase method Graphical method Incremental increase method Geometrical increase method ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS