Environmental Engineering The amount of residual chlorine left in public water supply for safety against pathogenic bacteria is about 0.5 to 1.0 ppm 1.0 to 5.0 ppm 0.05 to 0.5 ppm 0.01 to 0.05 ppm 0.5 to 1.0 ppm 1.0 to 5.0 ppm 0.05 to 0.5 ppm 0.01 to 0.05 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The method of analysis of distribution system in which the domestic supply is neglected and fire demand is considered is Equivalent pipe method Electrical analysis method Hardy cross method Circle method Equivalent pipe method Electrical analysis method Hardy cross method Circle method ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The suitable system of sanitation for area of distributed rainfall throughout the year with less intensity is Separate system Combined system Partially combined system Partially separate system Separate system Combined system Partially combined system Partially separate system ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Orthotolidine test is used for determination of Residual chlorine Biochemical oxygen demand Dissolved oxygen Dose of coagulant Residual chlorine Biochemical oxygen demand Dissolved oxygen Dose of coagulant ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to cast iron pipes, steel pipes are Less susceptible to corrosion Heavier Stronger Costlier Less susceptible to corrosion Heavier Stronger Costlier ANSWER DOWNLOAD EXAMIANS APP
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
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