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 The ratio of 5 day BOD to ultimate BOD is about 1 43864 43833 43894 1 43864 43833 43894 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The most commonly used sewer under culverts is Circular brick sewer Horseshoe type sewer Semi-elliptical sewer Circular cast iron sewer Circular brick sewer Horseshoe type sewer Semi-elliptical sewer Circular cast iron sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering On standard silica scale, the turbidity in drinking water should be limited to 20 ppm 30 ppm 10 ppm 50 ppm 20 ppm 30 ppm 10 ppm 50 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Orthotolidine test is used for determination of Dissolved oxygen Biochemical oxygen demand Residual chlorine Dose of coagulant Dissolved oxygen Biochemical oxygen demand Residual chlorine Dose of coagulant ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For satisfactory working of a sludge digestion unit, the pH range of digested sludge should be maintained as 6.5 to 8.0 8.5 to 10.0 10.5 to 12.0 4.5 to 6.0 6.5 to 8.0 8.5 to 10.0 10.5 to 12.0 4.5 to 6.0 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS