Fuels and Combustion
Calorific value of

N-paraffin is lower than that of iso-paraffins of the same compounds
Light paraffinic fuel oils is higher than that of equivalent olefins
Light paraffinic fuel oils is equal to that of equivalent olefins
Light paraffinic fuel oils is lower than that of equivalent olefins

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Fuels and Combustion
Fussain

Has highest fixed carbon and lowest volatile matter content of all the four banded components of coal
Is non-coking, but when blended with highly coking coal, controls its swelling and produces high strength coke on carbonisation
All of these
Is friable, charcoal like substance

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