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Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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QUESTION 1

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Question 1
A new fuel for combustion was found to have the following composition: carbon 71.6%, hydrogen
4.8%, oxygen 6.3%, nitrogen 1.3%, sulphur 3.4%, moisture 3.5% and ash 9.1%. Calculate for complete
combustion per kg of coal:
1.1 The theoretical weight of air per kg of coal.
1.2 The actual weight of air required with 60% excess air.
1.3 The higher heating value (HHV) of coal.
1.4 Write the complete combustion equation and estimate the lower heating value (LHV) of coal.
Transcribed Image Text:Question 1 A new fuel for combustion was found to have the following composition: carbon 71.6%, hydrogen 4.8%, oxygen 6.3%, nitrogen 1.3%, sulphur 3.4%, moisture 3.5% and ash 9.1%. Calculate for complete combustion per kg of coal: 1.1 The theoretical weight of air per kg of coal. 1.2 The actual weight of air required with 60% excess air. 1.3 The higher heating value (HHV) of coal. 1.4 Write the complete combustion equation and estimate the lower heating value (LHV) of coal.
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