Railways RRB (Assistant Loco Pilot & Technician) Solved Paper-2 (2014)

  • question_answer
    Pollution free source of energy is

    A)  thermal energy           

    B)  nuclear energy

    C)  wind energy               

    D)  All of these

    Correct Answer: C

    Solution :

    Wind energy is the pollution free source of energy. Note Nuclear energy causes radioactive pollution and thermal energy causes water pollution.


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