Environmental Engineering Sewage treatment units are normally designed for 5 - 10 years 28 - 30 years 15 - 28 years 15 - 20 years 5 - 10 years 28 - 30 years 15 - 28 years 15 - 20 years ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to cast iron pipes, steel pipes are Costlier Stronger Heavier Less susceptible to corrosion Costlier Stronger Heavier Less susceptible to corrosion ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Alum as a coagulant is found to be most effective when pH range of water is 2 to 4 6 to 8 8 to 10 4 to 6 2 to 4 6 to 8 8 to 10 4 to 6 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Disinfection of water results in Complete sterilisation Removal of hardness Killing of disease bacteria Removal of turbidity Complete sterilisation Removal of hardness Killing of disease bacteria Removal of turbidity ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The specific gravity of sewage is Much greater than 1 Slightly greater than 1 Equal to 1 Slightly less than 1 Much greater than 1 Slightly greater than 1 Equal to 1 Slightly less than 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to geometrical increase method of forecasting population, arithmetical increase method gives Lesser value Same value Higher value Accurate value Lesser value Same value Higher value Accurate value ANSWER DOWNLOAD EXAMIANS APP
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