Railways Sample Paper RRB (Assistant Loco Pilot) Sample Test Paper-3

  • question_answer
    Acid rain is caused by the pollution of environment by

    A)  carbon dioxide and nitrogen

    B)  carbon monoxide and carbon dioxide

    C)  ozone and carbon dioxide

    D)  nitrous oxide and sulphur dioxide

    Correct Answer: A

    Solution :

    Fuel value can be expressed in terms of calorific value of fuel. The calorific value of a fuel is the amount of heat produced by burning 1 kg of fuel. Hydrogen has the highest calorific value of (141,790 KJ/kg) thus have highest fuel value. Calorific value of charcoal, natural gas and gasoline are (29,600; 43,000; 47,300 kJ/kg) respectively. Natural gas majorly consists of methane.


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