Civil Engineering MCQs
Q 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?
  • A A. Both a and r are true and r is the correct explanation of a
  • B B. Both a and r are true but r is not the correct explanation of a
  • C C. A is true but r is false
  • D D. A is false but r is true
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