Engineering Thermodynamics
Coke is produced

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

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Engineering Thermodynamics
First law of thermodynamics

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

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