Environmental Engineering Orthotolidine test is used for determination of Biochemical oxygen demand Dissolved oxygen Residual chlorine Dose of coagulant Biochemical oxygen demand Dissolved oxygen Residual chlorine Dose of coagulant ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Settling velocity increases with Size of particles Specific gravity of solid particles Temperature of liquid Depth of tank Size of particles Specific gravity of solid particles Temperature of liquid Depth of tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The minimum dissolved oxygen which should always be present in water in order to save the aquatic life is 40 ppm 4 ppm 10 ppm 1 ppm 40 ppm 4 ppm 10 ppm 1 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Select the correct relationship between porosity (N), specific yield (y) and specific retention (R) N = y + R R > (N + y) y = N + R R = N + y N = y + R R > (N + y) y = N + R R = N + y ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Activated carbon is used for Removing hardness Removing corrosiveness Removing odours Disinfection Removing hardness Removing corrosiveness Removing odours Disinfection ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Alum as a coagulant is found to be most effective when pH range of water is 8 to 10 2 to 4 4 to 6 6 to 8 8 to 10 2 to 4 4 to 6 6 to 8 ANSWER DOWNLOAD EXAMIANS APP
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