Environmental Engineering - Study Mode
[#131] The design discharge for the separate sewer system shall be taken as
Correct Answer
(D) 6 × DWF
[#132] The design discharge for the combined sewer system shall be taken as
Correct Answer
(C) Rainfall + 2 DWF
[#133] The major disadvantage of lime soda process of water softening is that
Correct Answer
(B) Huge amount of precipitate is formed which creates a disposal problem
[#134] 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 filters Select your answer based on the coding system given below:
Correct Answer
(A) Both A and R is true and R is the correct explanation of A
[#135] Which of the following sewers is preferred for combined system of sewage?
Correct Answer
(B) Egg shaped sewer