the turbine rotates‚ the generator produces electricity which is then passed on to the power distribution systems. 5) Special mountings: There is some other equipment like the economizer and air pre-heater. An economizer uses the heat from the exhaust gases to heat the feed water. An air pre-heater heats the air sent into the combustion
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Neeru2012-10-23T12:15:00 CLASS 10 ELECTRICITY 1. How much current will an electric heater coil draw from a 220 volt line‚ if the resistance of the heater coil is 40? (1 Mark) (Ans) Given‚ R= 40‚ V=220 V We have the relation‚ I = V/R = 220/40 = 5.5 A 2. What is electric current? (1 Mark) (Ans) The rate of flow of charge per unit time through a conductor is called electric current. 3. What is the SI unit of electric current? (1 Mark) (Ans) The SI unit of electric current is ampere
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John D. Rockefeller Senior is one of the most famous industrialists to date. His fame is well deserved‚ through decades of hard work that brought prosperity to the American petroleum industry. Rockefeller has been called philanthropist‚ "great man" 1 "industrial statesman ‚ robber baron" ‚ thief and other titles of both pleasant and unpleasant nature. His ways of conducting business brought him fame‚ fortune‚ and a lawsuit that broke up the Standard Oil Company. Despite these questionable business
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warming system‚ which is designed to treat postoperative hypothermia in the recovery room‚ called Bair Hugger Patient Warming System. It is specially designed to maintain body temperatures of patients recovering from surgery. The product consists of a heater/blower unit that is a large‚ square‚ boxlike structure that warms filters and blows air through a separate plastic cover. The unit is mounted on wheels for easy movement. A dial controls the temperature with one to four settings. Twelve warming blankets
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which is a beautiful‚ dark‚ and melodic tune. The lyrics of the chorus are supposed to be quite humorous. “Because I always really knew that my little crime would be cold‚ that’s why I got a heater for your thighs‚ and I know it’s not your time‚ but bye bye.” These lyrics are humorous because buying a heater for
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sun’s energy. This concentrated heat energy is then converted into electricity. Solar Hot Water and Space Heating and Cooling Solar hot water heaters use the sun to heat either water or a heat-transfer fluid in collectors. A typical system will reduce the need for conventional water heating by about two-thirds. High-temperature solar water heaters can provide energy-efficient hot water and hot water heat for large commercial and industrial facilities. Issues Solar Resources Solar resource
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EFFECT OF ROOM TEMPERATURE ON THE BURN-RATE OF A CANDLE BURNS Have you ever wondered whether a candle burns more quickly on a hot day‚ than on a cold day? Or is it the other way around? This science fair project was carried out to compare how quickly a candle will burn at different room temperatures. The experiment was done by measuring how much of a candle will melt in 30 minutes when placed in an environment with surrounding temperatures of 20°C‚ 25°C and 30°C. Hypothesis A candle in a colder
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bulbs. Turn off the lights when not in use. Never leave electrical appliances on a standby. Keep doors and windows closed when heat or air conditioning is on. Check heat setting on the water heater. By lowering down the temperature you can reduce electricity. Put a layer of insulation around the water heater. Avoid using dryers in the washing machine since they consume huge amount of electricity when switched on. Turn off the water when brushing teeth and use less water for shower which will save
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Much credit was given to six men‚ for creating the foundation of America. The first 4 were Cornelius Vanderbilt‚ John D. Rockefeller‚ Andrew Carnegie‚ and J.P. Morgan. Through shipping and trains‚ oil and its development‚ steel and construction‚ and corporate finance‚ these men constructed the foundation of our country. Through their careers‚ these men saw much change during prosperous times that effected business then and ultimately in the long run. Cornelius Vanderbilt
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UNIT 1 Writing an Expository Essay Part 1 Part 2 Part 3 Essay structure and the introductory paragraph Body paragraphs‚ concluding paragraphs‚ and outlining Improving your work © Cambridge University Press www.cambridge.org P a r t 1 Essay structure and the introductory paragraph Essay structure An essay is a piece of writing made up of a number of paragraphs. Each paragraph has a specific role in an essay. In a five-paragraph essay‚ the first paragraph is an introduction; the
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