This document contains study material for Fundamentals of Thermodynamics and Heat Engines. It includes solved assignments, essays, and dissertations. The document also covers topics like Super Position theorem, solving the circuit by Thevinon Theorem, How complex wave are produce from sinusoidal waveform in common electrical devices like iron cored inductor, switching transformer, Weather Condition in DoHa, and SI units Conversion. The course code, course name, and college/university are not mentioned.