CHEMICAL ENGINEERING
Q Aerobic biological oxidation ponds used for the purification of polluted water__________________?
  • A A. Destroys/removes pathogen from the sewage
  • B B. Is not very effective for non-biodegradable substances (e.g. abs) containing effluents
  • C C. Destroys/removes pathogen much more effectively if the sewage is chlorinated
  • D D. All a., b. & c.
Previous TLV of aldrin in public water supply system is about __…
Next Presence of excess fluorine in water causes____________…
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Word of the Day
23 Jul
Aisle
a passage between rows of seats in a building such as a church or theatre, an aircraft, or train.
Ψ·ΩˆΫŒΩ„ ΨͺΩ†Ϊ― Ψ±Ψ§Ψ³Ψͺہ، Ω†Ψ΄Ψͺوں Ϊ©Ϋ’ Ψ―Ψ±Ω…ΫŒΨ§Ω† Ψ±Ψ§Ψ³Ψͺہ

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