Engineering Thermodynamics
According to which law, all perfect gases change in volume by 1/273th of their original volume at 0°C for every 1°C change in temperature when pressure remains constant

Boyle's law
Gay Lussac’s law
Charles' law
Joule's law

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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
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
When coal is first dried and then crushed to a fine powder by pulverizing machine

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Engineering Thermodynamics
First law of thermodynamics

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

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