Environmental Engineering For normal sludge, the value of sludge index for Indian conditions is 150 to 350 50 to 150 350 to 500 0 to 50 150 to 350 50 to 150 350 to 500 0 to 50 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The correct relation between theoretical oxygen demand (TOD), Biochemical oxygen demand (BOD) and Chemical oxygen demand (COD) is given by TOD > BOD > COD BOD > COD > TOD TOD > COD > BOD COD > BOD > TOD TOD > BOD > COD BOD > COD > TOD TOD > COD > BOD COD > BOD > TOD ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Residual chlorine in water is determined by None of these Orthotolidine method Both (A) and (B) Starch iodide method None of these Orthotolidine method Both (A) and (B) Starch iodide method ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The hourly variation factor is usually taken as 1.8 2.0 2.7 1.5 1.8 2.0 2.7 1.5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum permissible limit for fluoride in drinking water is 10 mg/liter 1.5 mg/liter 0.1 mg/liter 5 mg/liter 10 mg/liter 1.5 mg/liter 0.1 mg/liter 5 mg/liter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The length of rectangular sedimentation tank should not be more than (Where ‘B’ is the width of the tank) 8B 2B B 4B 8B 2B B 4B ANSWER DOWNLOAD EXAMIANS APP