11:24 PM Chapter 1 : Elec. Energy Conversion |
| Chapter 1 : Elec. Energy Conversion 1- Introduction . 2- Meaning ofenergy . 3- Forms of energy. 4- Energy resources. 5- Conventionalmethods for elec. Energy conversion . 6- Alternativemethod of elec. Energy conversion . Qu. 1 : write down the advantages ofelec. Energy ? Sol : The main advantages are 1- electrical formcan be transmitted . 2- the electricalenergy easy utilization . 3- if more easilycontrolled . الطاقة :- القدرة على بذل الشغل . Qu 2 : definition of energy Is the ability to do work . Qu 3 : The petroleum stokes can last only about 50 year and so its now to look for substance to generate electrical energy instead of the petroleum . - write down some of the importance steps in thisdirection ? Sol : 1- the search fornew sources of coal . 2- the use ofnuclear energy . 3- expansion in useof natural and artificial water falls . 4- the use ofchanging the sea levels due to tipes المد والجزر to generate electricity . 5- making use ofwind to run wind mills طواحن الهواءconnected electrical generator . 6- the widenessof soils التوسع في خصوبة التربة . 7- good use ofsolar energy . ( حيث الخلايا الشمسية تصنع من أشباه الموصلات مثل السيليكون ) |
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