Fuels and Combustion
'Mixed gas' used in steel plants is a mixture of

Coke oven gas and converter gas
Blast furnace gas and naphtha vapor
Coke oven gas and L.P.G
F. gas and coke oven gas

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Fuels and Combustion
Anthracite can be used for

All of these
Blending with highly coking coal to check its swelling which helps in saving coke even walls from damage and to produce high strength coke
Recarbonising steel
Making carbon electrodes

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