Engineering Thermodynamics
Coke is produced

When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel
When coal is first dried and then crushed to a fine powder by pulverizing machine
From the finely ground coal by moulding under pressure with or without a binding material
By heating wood with a limited supply of air to a temperature not less than 280°C

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Engineering Thermodynamics
Mond gas is obtained by

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

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Engineering Thermodynamics
First law of thermodynamics

Provides relationship between heat, work and internal energy
All of these
Enables to determine change in internal energy of the system
Does not enable to determine change in entropy

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