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Discussion :: Steam Boilers and Engines

  1. The boiler efficiency is given by (where m = Total mass of water evaporated into steam in kg/h, mf = Mass of fuel in kg/h, C = Calorific valve of fuel in kJ/kg of fuel, h = Total heat of steam in kJ/kg, and hf1 = Sensible heat of feed water in kJ /kg)

  2. A.

    \(\frac { m_f . C } { m_s(h - h_{f1})} \)

    B.

    \(\frac { m_f . C } { m_s(h + h_{f1})} \)

    C.

    \(\frac { m_s(h - h_{f1})} { m_f . C }\)

    D.

    \(\frac { m_s(h + h_{f1})} { m_f . C }\)

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    Answer : Option C

    Explanation :

    No answer description available for this question.


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