Engineering Thermodynamics
Coke is produced

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
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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Engineering Thermodynamics
According to Avogadro's Hypothesis

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

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Engineering Thermodynamics
Select the wrong statement

An Otto cycle consists of two constant volume and two isentropic processes.
An Ericsson cycle consists of two constant pressure and two isothermal processes.
A Joule cycle consists of two constant volume and two isentropic processes.
All of these

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