Fundamental concepts; Properties of gases and vapours; Laws of thermodynamics and their corollaries. Non-flow and flow processes; Ideal gases and their cycles. Power cycles, refrigeration cycles and reciprocating compressors. Second law of thermodynamics: availability, irreversibility and entropy. Thermodynamic relations and equations of state. Mixtures of gases and vapours; Psychrometries; Real gases; Fuels and combustion.