Environmental Engineering The detention period in coagulation tanks is usually kept as 1 to 2 minutes 30 to 45 minutes 2 to 6 days 2 to 6 hours 1 to 2 minutes 30 to 45 minutes 2 to 6 days 2 to 6 hours ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering A pipe conveying sewage from plumbing system of a single building to common sewer or point of immediate disposal is called Lateral sewer Sub-main sewer House sewer Main sewer Lateral sewer Sub-main sewer House sewer Main sewer 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: 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 false but R is true A is true but R is false 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 false but R is true A is true but R is false ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering A sewer that receives the discharge of a number of house sewers is called House sewer Lateral sewer Sub-main sewer Intercepting sewer House sewer Lateral sewer Sub-main sewer Intercepting sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The main disadvantage of oxidation pond is that Maintenance and operation cost are high Large area is required for construction None of these BOD removal is very low Maintenance and operation cost are high Large area is required for construction None of these BOD removal is very low ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sewage treatment units are designed for Maximum and minimum flow Average flow only Minimum flow only Maximum flow only Maximum and minimum flow Average flow only Minimum flow only Maximum flow only ANSWER DOWNLOAD EXAMIANS APP