Engineering Thermodynamics
Carbonization of coal consists of

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