Engineering Thermodynamics
Which of the following can be regarded as gas so that gas laws could be applicable, within the commonly encountered temperature limits?

O₂, N₂, H₂, air
SO₂, NH₃, CO₂, moisture
O₂, N₂, water vapour
O₂, N₂, steam, CO₂

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Engineering Thermodynamics
Select the wrong statement

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

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