a boiler plant generates 5000kg/hr of steam at 3000kPa and enthalpy of 2995k/kg. The water entering the plant has a temperature of 12°C. At exit from the economizer the temperature of the water is 85°C. The enthalpy at exit from the evaporator is 2533kJ/kg and the fuel used has a calorific value of 32MJ/kg. Neglect the combustion losses and take the thermal efficiency of the plant to be 80%. Determine: 1.1the final temperature of the steam;the heat absorbed in each component of the plant in kJ/kg fuel. 1.2 The heat absorbed in each component of the plant in KJ/kg
a boiler plant generates 5000kg/hr of steam at 3000kPa and enthalpy of 2995k/kg. The water entering the plant has a temperature of 12°C. At exit from the economizer the temperature of the water is 85°C. The enthalpy at exit from the evaporator is 2533kJ/kg and the fuel used has a calorific value of 32MJ/kg. Neglect the combustion losses and take the thermal efficiency of the plant to be 80%. Determine: 1.1the final temperature of the steam;the heat absorbed in each component of the plant in kJ/kg fuel. 1.2 The heat absorbed in each component of the plant in KJ/kg
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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QUESTION 3
a boiler plant generates 5000kg/hr of steam at 3000kPa and enthalpy of 2995k/kg. The water entering the plant has a temperature of 12°C. At exit from the economizer the temperature of the water is 85°C. The enthalpy at exit from the evaporator is 2533kJ/kg and the fuel used has a calorific value of 32MJ/kg. Neglect the combustion losses and take the thermal efficiency of the plant to be 80%. Determine:
1.1the final temperature of the steam;the heat absorbed in each component of the plant in kJ/kg fuel.
1.2 The heat absorbed in each component of the plant in KJ/kg
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