Engineering Thermodynamics
Mond gas is obtained by

Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast
Passing steam over incandescent coke
Carbonisation of bituminous coal
Passing air and a large amount of steam over waste coal at about 650°C

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Engineering Thermodynamics
Carbonization of coal consists of

Heating the wood with a limited supply of air to temperature not less than 280°C
None of these
Moulding the finely ground coal under pressure with or without a binding material
Drying and crushing the coal to a fine powder

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