Engineering Thermodynamics
When a gas is heated at constant pressure

Neither temperature not volume will increase
Its temperature will increase
Both temperature and volume will increase
Its volume will increase

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Engineering Thermodynamics
Coke is produced

From the finely ground coal by moulding under pressure with or without a binding material
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
When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel

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