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Railways NTPC (Technical Ability) Metal Forming, Casting and Cutting Question Bank Metal Casting

  • question_answer
         Which one of the following statements is not corral In a fluidized-bed boiler:                      

    A) The combustion temperatures are higher than those in the conventional boilers               

    B) Inferior grade of coal can be used without slagging problems                            

    C) The formation of NO, is less than that in  conventional boilers                    

    D) The volumetric heat release rates are higher than those in the conventional boilers

    Correct Answer: A

    Solution :

    The combustion temperatures are lower than those in the conventional boilers. Hence, statement 1 is not correct.


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