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Railways Sample Paper RRB (Assistant Loco Pilot) Sample Test Paper-10

  • question_answer
    Which one of the following has the highest fuel value?

    A)  Hydrogen                   

    B)  Charcoal                    

    C)  Natural gas      

    D)         Gasoline                    

    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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