A coal has the following composition by weight: C=90%, O=4%, N=1%, S=0 – McqOptions

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1.	A coal has the following composition by weight: C=90%, O=4%, N=1%, S=0.5% and ash=5%.The NCV of the fuel was found to be 8480cal/g. Calculate the percentage of hydrogen and HCV of the fuel.
A.	H=4.21%, HCV=8621.80cal/g
B.	H=4.521%, HCV=8221.80cal/g
C.	H=4.686%, HCV=8727.37cal/g
D.	H=4.1%, HCV=8221.37cal/g
Answer» D. H=4.1%, HCV=8221.37cal/g

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