2. Sample Papers
  3. Railways
  4. General Science & Technology
  5. Pollution of Air and Water

Railways General Science & Technology Pollution of Air and Water Sample Paper Air Pollution Sample Test Paper-20

  • question_answer
    Air pollution from automobiles can be controlled by fitting:

    A)  Cyclone separator         

    B)  Electrostatic precipitator

    C)  Catalytic converter

    D)  Wet scrubber

    Correct Answer: C

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