Fuels and Combustion
(64-132) rank coal (ASTM) means a coal with 64%

None of these
Fixed carbon and having a heat value of 13, 200 BTU/1b
Fixed carbon and a heating value of 132 BTU/1b
Ash and a heating value of 13, 200 BTU/1b

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Fuels and Combustion
Coke oven gas is a better fuel than blast furnace gas, because of its higher

Heat release rate (thus requiring smaller combustion chamber)
All of these
Calorific value, cleanliness and relatively low distribution cost (due to its low specific gravity)
Adiabatic flame temperature

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