This document contains lecture slides from BITS Pilani about various thermodynamic processes and systems including: 1) A compressor that receives and delivers R-134a and the calculation to determine the mass flow rate of air through the compressor. 2) The definition of a mixing chamber and an example of one in a shower. 3) The main equipment involved in a simple thermal power plant - boiler, turbine, condenser, pump. 4) Diagrams and explanations of processes in a thermal power plant. 5) Calculations for a jet engine involving compressor and turbine work terms and nozzle exit velocity. 6) The main equipment in a refrigerator - evaporator, compressor, conden