![]() ![]() Present-day living grind to halt when the supply of energy stops. 11111 General E nergy is the basic necessity for the eco. Introduction CHAPTER 1.1 Importance of Electrical Energy 1.2 Generation of Electrical Energy 1.3 Sources of Energy 1.4 Comparison of Energy Sources 1.5 Units of Energy 1.6 Relationship Among Energy Units 1.7 Efficiency 1.8 Calorific Value of Fuels 1.9 Advantages of Liquid Fuels Over Solid Fuels 1.10 Advantages of Solid Fuels Over Liquid Fuels In this chapter, we shall focus our attention on the general aspects of elec- trical energy. The modern society is so much dependent upon the use of electrical energy that it has become a part and parcel of our life. ![]() Energy exists in different forms in nature but the most important form is the electrical energy. The greater the per capita con- sumption of energy in a country, the higher is the standard of living of its people. As a matter of fact, there is a close relationship be- tween the energy used per person and his stan- dard of living. The availability of huge amount of energy in the modern times has resulted in a shorter working day, higher agricultural and in- dustrial production, a healthier and more balanced diet and better transportation facilities. It is practically impossible to estimate the actual magnitude of the part that energy has played in the building up of present-day civilisation. Many functions necessary to present-day living grind to halt when the supply of energy stops. 1 General E nergy is the basic necessity for the eco- nomic development of a country. ![]()
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