Environmental Engineering Corrosion in concrete sewers is caused by Chlorine Dissolved oxygen Septic conditions Nitrogen Chlorine Dissolved oxygen Septic conditions Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Laying of sewers is usually done with the help of A Theodolite Sight rails and boning rods A compass A plane table A Theodolite Sight rails and boning rods A compass A plane table ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Residual chlorine in water is determined by Orthotolidine method Both (A) and (B) None of these Starch iodide method Orthotolidine method Both (A) and (B) None of these Starch iodide method ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The effective size of sand particles used in slow sand filters is 0.25 to 0.35 mm 0.60 to 1.00 mm 0.35 to 0.60 mm 1.00 to 1.80 mm 0.25 to 0.35 mm 0.60 to 1.00 mm 0.35 to 0.60 mm 1.00 to 1.80 mm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Hardy cross method of analysis of distribution system (i) Involves successive trials (ii) Takes economic aspects into account (iii) Is time consuming All are correct Only (i) (i) and (ii) (i) and (iii) All are correct Only (i) (i) and (ii) (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The rate of filtration in slow sand filters in million litres per day per hectare is about 50 to 60 1400 to 1500 100 to 150 500 to 600 50 to 60 1400 to 1500 100 to 150 500 to 600 ANSWER DOWNLOAD EXAMIANS APP