Energy Engineering chapter 1 notes Pdf

1. BASICS OF ENERGY AND ITS VARIOUS FORMS 2.1 Definition Energy is the ability to do work and work is the transfer of energy from one form to another. In practical terms, energy is what we use to manipulate the world around us, whether by exciting our muscles, by using electricity, or by using mechanical devices such as automobiles. Energy comes in different forms - heat (thermal), light (radiant), mechanical, electrical, chemical, and nuclear energy. 2.2 Various Forms of Energy There are two types of energy - stored (potential) energy and working (kinetic) energy. For example, the food we eat contains chemical energy, and our body stores this energy until we release it when we work or play. 2.2.1 Potential Energy...