Environmental Engineering Activated carbon is used for Removing corrosiveness Removing odours Removing hardness Disinfection Removing corrosiveness Removing odours Removing hardness Disinfection ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The commonly used material for water supply pipes, which has the properties of being strong, not easily corroded and long life but is heavy and brittle, is Copper Reinforced cement concrete Cast iron Steel Copper Reinforced cement concrete Cast iron Steel ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Assertion A: Slow sand filters are more efficient in removal of bacteria than rapid sand filters.Reason R: The sand used in slow sand filters is finer than that in rapid sand filtersSelect your answer based on the coding system given below: A is false but R is true Both A and R is true and R is the correct explanation of A Both A and R is true but R is not the correct explanation of A A is true but R is false A is false but R is true Both A and R is true and R is the correct explanation of A Both A and R is true but R is not the correct explanation of A A is true but R is false ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The amount of residual chlorine left in public water supply for safety against pathogenic bacteria is about 0.05 to 0.5 ppm 0.5 to 1.0 ppm 1.0 to 5.0 ppm 0.01 to 0.05 ppm 0.05 to 0.5 ppm 0.5 to 1.0 ppm 1.0 to 5.0 ppm 0.01 to 0.05 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to geometrical increase method of forecasting population, arithmetical increase method gives Higher value Same value Accurate value Lesser value Higher value Same value Accurate value Lesser value ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sewage treatment units are normally designed for 15 - 28 years 28 - 30 years 15 - 20 years 5 - 10 years 15 - 28 years 28 - 30 years 15 - 20 years 5 - 10 years ANSWER DOWNLOAD EXAMIANS APP