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Waste Management and Sewage Treatment - Class VIII

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Multiple Choice

Select the correct statement out of the following.

  1. Electrostatic precipitators $ \left( { ESP } _{ s } \right) $ can remove over 99% particulate matter present in the exhaust from a thermal power plant.
  2. Over half of the e-wastes generated in developed countries are exported to developing countries, mainly to China, India and Pakistan, where metals like Cu, Fe, Si, Ni, etc., are recovered during recycling process.
  3. Use of nuclear energy has two very serous inherent problems first is accidental leakage and the second is safe disposal of radioactive wastes.
  4. All of these
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