Short Essays on Thermodynamics 1. The two ways of transferring heat are Conduction and Radiation: Heat conduction‚ also called diffusion‚ is the direct microscopic exchange of kinetic energy of particles through the boundary between two systems. When an object is at a different temperature from another body or its surroundings‚ heat flows so that the body and the surroundings reach the same temperature at thermal equilibrium. Conduction happens in both fluids and solids. Thermal radiation‚
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GAS WELDING Gas welding is a process that use fuel gases and oxygen to weld and cut metals. Uses: 1-welding and cutting metals 2-in Stone Work for flaming 3-in the glass industry for fire polishing 4-in jewelry production How we use it : The apparatus used in gas welding consists basically of an oxygen source and a fuel gas source it’s pumped through hoses and get out to cut or weld the used metal and there are two cylinders one of them contain oxygen and we can control
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HANOI—As Vietnam’s economy has boomed in recent decades‚ so too have pollution levels in its major cities‚ with experts concerned that air pollution could pose a major public health concern. "Environmental pollution in Vietnam is a real problem‚" said Tuong Lai‚ former dean of Vietnam’s Social Science Institute. "It’s not just foreign visitors who have complained about our dust pollution—people in our country are also very dissatisfied with it‚" he said. A study conducted by employment consultants
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I.J.S.N.‚ VOL.4 (4) 2013: 668-672 ISSN 2229 – 6441 STUDY ON NOISE POLLUTION OF INDUSTRIALIZED AND URBANIZED TOWNS LIKE RABAKAVI AND BANAHATTI OF BAGALKOT DISTRICT‚ KARNATAKA STATE‚ INDIA Basavaraj M. Kalshetty & Basappa I. Karalatti Commerce‚ BHS Arts and TGP Science College Jamkhandi‚ District Bagalkot‚ Karnataka state‚ India. ABSTRACT The modern civilization creates more and more noise‚ because of the development of Industries‚ machinery and Technology. It has been reported that
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Community Issue: Pollution Do you hate seeing rubbish in the street? My topic is all about pollution. Pollution is a problem in Hawaii because it cause health problems‚ water gets polluted by throwing of chemicals in river and other bodies of water and land gets polluted because of too much wastes from industry. My first reason is because it can cause health problems. According to National Geographic‚ lung inflammation can develop when people are exposed to ongoing particulate air pollution some diseases
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Axia College Material Appendix D Air Pollution Chart After reviewing Ch. 8 and 9 of your text‚ complete the following table‚ then respond to the questions that follow: Issue Sources Health/Environmental Effects Carbon dioxide (CO2) Greenhouse gas‚ Combustion of fossil‚ fuels such as coal‚ oil‚ gas in power plants as well as volcanoes. Also found in soft drinks Helps plants with photosynthesis also keeps the earth insulated. But also keeps the temperatures rising. Also cause global warming
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Air pollution is caused by many things‚ earth is very good at cleaning the air on its own‚ though through the years air pollution has gotten to a very bad point where earth can no longer clean all of the pollution we produce which has now started to have very bad effects on our environment such as causing acid rain‚ smog and a lot of health problems. There are a variety of things that cause air pollution like for example cars‚ airplanes and other engine vehicles. All these engine vehicles release
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Vehicular Pollution The majority of today’s pollution is caused by cars and trucks which are the largest single source of air pollution. With the great number of vehicles on the road we are headed toward smoggy skies and dirty air if we do nothing to help stop pollution. Everybody needs a vehicle that burns less fuel. The key to burning less fuel is to make more efficient vehicles and by putting that efficiency to work not letting it go to waste. Another good way to prevent air pollution is by combining
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Environmental pollution The nature is the most wonderful thing in the world. It gives us its loveliness to enjoy and to admire. The nature provides us with its riches: water and air‚ soil‚ mineral resources‚ flora and fauna‚ forests and fields. Nowadays situation is very bad‚ but just someone understand it. It means that many species of flora and fauna have already disappeared or are disappearing because of harmful actions of people. People have always polluted their surroundings. But until
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POLLUTION!!- IS THERE A SOLUTION? Human Beings belong to a species that poisons its own habitat. If we think of our planet as a spaceship then we are the new and all other species are passengers. In general we behave irresponsibly .Earth’s atmosphere forms a protective cocoon around our spaceship‚ storing and recycling essential elements such as carbon and oxygen. Humans fill the air with pollution that turns the rain acidic and threatens to alter the climate pollution from and fossil and nuclear
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