Engineering Thermodynamics
The volumetric or molar specific heat at constant pressure is the product of

None of the listed here
Atomic mass of the gas and the gas constant
Molecular mass of the gas and the specific heat at constant volume
Molecular mass of the gas and the gas constant

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Engineering Thermodynamics
Coke is produced

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
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

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