Prepared by Leong Yee Pak DESIGN QUESTIONS Below are some suggestions on how to go about in designing an experiment. Understand and remember the various instrument used for measuring the quantities‚ the methods used to produce them and the way to vary them. Guide for Design Questions Identify the variables: the independent variable‚ the dependent variable‚ and any variables or factors to be kept constant. Draw a labelled diagram to show the experimental set up. Ask yourself these
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The presentation should be engaging for the audience (you can direct it to a specific audience or your general community)‚ and should summarize all of the important research and findings. The presentation should include: detailed explanation of how smoke detectors and carbon monoxide detectors work and suggestions for use (number‚ mounting locations‚ etc.) specific explanations of how different fire extinguishers (at least three types) work‚ advantages and disadvantages of each type‚ and effectiveness
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"It was like coming into the cold marbled room of a mausoleum after the moon had set. Complete darkness‚ not a hint of the silver world outside‚ the windows tightly shut‚ the chamber a tomb world where no sound from the great city should penetrate “(9). Throughout Ray Bradbury’s novel‚ Fahrenheit 451‚ there are multiple instances of deep‚ meaningful imagery as presented in the preceding sentence. Bradbury’s Fahrenheit 451 is a dystopian novel which is set in a futuristic American society. The main
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boys‚ descended into the Cherry Coal Mine near Cherry‚ IL‚ a few miles northwest of La Salle‚ IL on Illinois Highway 89. Some sections of the mine where 500 feet below the surface. That day the electrical system broke down‚ and the mine was lit by kerosene torches that were on the walls. This was not unusual‚ the electrical systems often broke down in mines at this time. That morning‚ hay had been dropped into the mine for the mules that were stabled underground‚ they pulled carts and other things
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The water fountain as we know it was first invented in the early 1906 and is credited to two men - Halsey Willard Taylor and Luther Haws. Haws patented the first drinking faucet in 1911. with the primary motivation being to provide safer drinking water and avoid the risk of typhoid fever caused by contaminated water. (Luther Haws’ father had died of typhoid fever precipitated by contaminated water.) From those humble beginnings‚ when water coolers used large blocks of ice to chill the water
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to their need for energy. Furthermore on the household level savings due to renewable energy is also evident. According to the ministry of energy (2008) “the average household saves around 1‚825kwh per year by operating solar water heaters in place of electric heaters. After three
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Objective: Study of heat transfer in Shell and Tube heat exchanger. Introduction: Heat Exchanger is device that facilitates heat exchange between two or more fluids. They are used wherever efficient heat energy transfer is required particularly petrochemical plants‚ petroleum refinery‚ natural gas processing‚ air conditioners and refrigerators‚ sewage treatment etc. Considering wide spectrum it swaps ‚ the device is a necessity in most of the industrial applications. Categorization:
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experiments while the other consists of a disc for radial profile studies. Both test section are equipped with an array of temperature gradient. The instrumentation provided permits accurate measurements of temperature and electrical power supplied to the heater. Fast response temperature probes‚ with a resolution of 0.1°C‚ give direct digital readout in °C. The power control circuit provides a continuously variable electrical output of 0-80 Watts nominal (at nominal supply voltage) with direct digital readout
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Optimization of Room Air Conditioning with Desiccant Wheel 1. Introduction Desiccant air conditioning technology is an emerging alternative air conditioning technology having many advantages over conventional VAC system. Desiccant cooling technology is free from CFCs‚ can be operated with low grade energy (heat energy) and capable of precise control of latent heat load of conditioned space. This eco friendly and energy saving method of air conditioning has drawn interest of many researchers over
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“Energy and Efficiency analysis of 210MWe coal base Thermal Power Plant with running parameters” Goutam Khankari‚DVC‚Kolkata. INTRODUCTION Power projects are essentially capital intensive. Not only they involve a highly initial cost which is around Rs. 4.5 to 5.0 crores per MW for coal-based plants but also huge operation cost. The running expenses of a 210MW thermal power station may range around thirty crores every month and usually about 80% of this goes towards the fuel cost. Not only fuel
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