Civil Engineering MCQs
Q In trickling filter, B.O.D. is reduced to___________________?
  • A A. 30 to 40%
  • B B. 40 to 60%
  • C C. 60 to 80%
  • D D. 80 to 90%
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Word of the Day
26 Jul
Simultaneously
at the same time.
ایک ہی ΩˆΩ‚Ψͺ Ω…ΫŒΪΊΨŒ ایک Ψ³Ψ§Ψͺھ، بیک ΩˆΩ‚Ψͺ

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