2. Sample Papers
  3. Railways

Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-20

  • question_answer
    Which of the following pollutants is not present in the vehicular exhaust emissions?

    A)  lead                

    B)  ammonia

    C)  carbon monoxide

    D)  particulate matter

    Correct Answer: B

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