Engineering Thermodynamics
Carbonization of coal consists of

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

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Engineering Thermodynamics
According to Avogadro's Hypothesis

The sum of partial pressure of mixture of two gases is sum of the two
Gases have two values of specific heat
Product of the gas constant and the molecular weight of an ideal gas is constant
The molecular weights of all the perfect gases occupy the same volume under same conditions of pressure and temperature

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