Water initially at 25 C and having a mass of 120 kg is to be heated to 85°C in a boiler using biogas as fuel. Bio-gas has an energy density of 40 MJ/kg and water has a specific heat capacity of 42 kJ/kg C. How many kilograms of biogas is needed if the boiler efficiency is 50%?

Water initially at 25 C and having a mass of 120 kg is to be heated to 85°C in a boiler using biogas as fuel. Bio-gas has an energy density of 40 MJ/kg and water has a specific heat capacity of 42 kJ/kg C. How many kilograms of biogas is needed if the boiler efficiency is 50%?

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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