mean by fossil fuels and explain why they are an attractive source of energy: Fossil fuels are energy sources such as petroleum‚ natural gas‚ and coal which contain the stored radiant energy of organisms that lived millions of years ago (Tillery‚ Enger‚ & Ross‚ 2009‚ p. 67). Fossil fuels are an attractive source of energy because they are accessible and cheap. Describe two different energy alternatives to fossil fuels in detail. Discuss how they work‚ how they compare with fossil fuels‚ and their
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ENGINEERING KINGS COLLEGE OF ENGINEERING DEPARTMENT OF MECHANICAL ENGINEERING QUESTION BANK Subject Name: AT1360- AUTOMOBILE ENGINEERING UNIT-I VEHICLE STRUCTURE AND ENGINES PART A (2 MARKS) 1. State major types of automobiles according to the fuel used. 2. List any four components of a chassis. 3. Mention any two requirement of an automobile. 4. List any four characteristics of a good chassis. 5. Give any two requirement of good frame. 6. Define cross wind force. 7. State any four functions
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nuclear fission. When uranium is blasted with fast-moving atoms known as neutrinos‚ they become unstable and split‚ releasing more fast-moving neutrinos and energy in the form of radiation (Redd). When nuclear fission occurs‚ there are byproducts of the fuel known as fission products. Fission products are highly radioactive and will be such for thousands of years. The current method of disposal is storage in water to shield the outside world from the radiation until it decays enough to be stored deep within
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December 17‚ 2015 Solar Energy The use of solar energy is increasing throughout the world. Solar energy is used to make light‚ run computers and to conserve energy. Today we used fossil fuel to run factories and make electricity but little do the people know‚ one day we are going to run out of oil because it’s not a renewable source. Then what are we going to do ? We would have no other choice then to start using the sun for energy
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biomass. This cultivation of crops for fuel might just put a little to much strain on our limited resources such as water and land which could be used for food crops. This biomass energy also just not economical to produce‚ grow and transport biomass. This is especially true when the source of biomass is not too close to the area of processing or the methods used to process it are wasteful. This energy have a very lower fuel economy than normal fossil fuels so that it not be able to generate enough
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humans making it human-caused. One of the causes of global warming is greenhouse-gas effect. It will continue for centuries even if and when greenhouse-gas emissions are stabilized in the future. Humans are helping to cause global warming by "Fossil fuel use‚ agriculture‚ and land-use change are fundamentally affecting the systems on our planet‚" (Science News (2009) according to Achim Steiner‚ executive director of the United Nations Environment Programme. In 2001 the panel that Achim was on also
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35.77% gas‚ and 7.89% oil‚ and less than 11% from renewable energy (PLN et al‚ 2012). These statistics illustrate how much Indonesia depends on fossil fuel to produce electricity. The use of fossil fuels to produce energy is unavoidable‚ but the government should consider using more sustainable resources to produce energy. If we keep using our fossil fuels‚ at some point in the future Indonesia will run out of resources. It is true that now the cheapest way to
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Using Clean Coal Technologies to Reduce Air Pollution ASDF SCI/275 September 4‚ 2011 Kristal Davis Fadtke Using Clean Coal Technologies to Reduce Air Pollution Air pollution is of pronounced concern in the media lately. Some of the effects of air pollution include the increase of carbon in the atmosphere which contributes to the global warming effect. The effects have been felt with record temperatures on the east coast and in the Midwestern United States this summer. One major contribution
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However‚ since the Industrial Revolution began in 1750s‚ the discovery of utilizing fossil fuels have significantly increased the amount of CO2 emitted into the atmosphere‚ upsetting the balance (EPA). According to UCAR (University Corporation for Atmospheric Research)‚ there was about 270 parts per million volume (ppmv) of CO2 in the atmosphere
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technology requires a higher initial investment than fossil-fueled generators. Roughly 80% of the cost is the machinery‚ with the balance being site preparation and installation. If wind generating systems are compared with fossil-fueled systems on a "life-cycle" cost basis (counting fuel and operating expenses for the life of the generator)‚ however‚ wind costs are much more competitive with other generating technologies because there is no fuel to purchase and minimal operating expenses. Environmental
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