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)-A-B-C-D--C-

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The correct option is  C  Explanation: No answer description is available.

Steam Boilers and Engines

Q1: The boiler efficiency is given by (where m = Total mass of water evaporated into steam in kg/h, m_f = 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 h_f1 = Sensible heat of feed water in kJ /kg)

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Steam Boilers and Engines

Q1: 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)

Solution

For help Students Orientation Mcqs Questions

Q1: The boiler efficiency is given by (where m = Total mass of water evaporated into steam in kg/h, m_f = 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 h_f1 = Sensible heat of feed water in kJ /kg)

For help Students Orientation
Mcqs Questions