Construction Manager Greenfield Community College 123 Greenfield Lane Greenfield‚ IL 85236 Dear Mr. Hill: As a valued customer of our company‚ we are delighted that you have accepted our business proposal to design and install energy-efficient heating‚ cooling‚ and insulation systems in your school. At EBG our customer is the most important thing and we work hard to fulfill each and every client’s needs. We understand you want to change the location of a venting apparatus for the overall campus design
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to low again starting in January. 2) The city that has the greatest yearly temperature range is Bismarck‚ N.D. 3) The cause of the greatest range is because the location is located most near the pole. 4) The rates of heating and cooling do not differ much for New York and Bismarck‚ they both have their lowest temperature in January and highest in July. 5) The yearly temperature range for Los Angeles is 17 degrees. 6) The yearly temperature range for Phoenix is 40 degrees
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plays a large role in determining our comfort level. If the relative humidity is 100 percent‚ it means that water will not evaporate -- the air is already saturated with moisture. Our bodies rely on the evaporation of moisture from our skin for cooling. The lower the relative humidity‚ the easier it is for moisture to evaporate from our skin and the cooler we feel. HUMIDIFICATION & DEHUMIDIFICATION Let’s go with the notion that temperature is actually a container. Let’s call it a
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each order I will need 8 min (Wash bowl & Mix (6 min) + spooning on the tray (2 min)= 8 min). My roommate’s valuable time is Preheat and prepare the oven (1 min)+ Pack (2 min)+ Payment (1 min)= 4 min. The 9 minutes of baking time and 5 minutes of cooling can be used to do further productive work. 4. We first have to consider the costs to answer this question. The costs for the ingredients and the box are the same for each batch of cookies. However‚ my and my roommate’s valuable time depends on the
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refrigerant. These materials demonstrate the unique property known as the magneto caloric effect‚ which means that they increase and decrease in temperature when magnetized/demagnetized. This effect has been observed for many years and was used for cooling near absolute zero. Recently‚ materials are being developed which have sufficient temperature and entropy change to make them useful for a wide range of temperature applications. The proposed effort includes magneto caloric effect material selection
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Transformer Introduction The transformer is one of the simplest of electrical devices. Its basic design‚ materials‚ and principles have changed little over the last one hundred years‚ yet transformer designs and materials continue to be improved. Transformers are essential in high voltage power transmission providing an economical means of transmitting power over large distances. The simplicity‚ reliability‚ and economy of conversion of voltages by transformers was the principal factor in the
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Fractional Distillation of an Ethanol- water Mixture Abstract The purpose of this experiment is to understand the process of distilling a solution. Thesolution of 50/50 ethanol-water was used in the experiment. Using fractional distillationapparatus ethanol-water mixture was separated. The fractional use of copper sponge wasused in distillation process which created the heat exchange area between the vapor of ethanol and liquid water. The fractional distillation process yield 9.5 ml of ethanol
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Chapter 10 Phase Transformations in Metals: development of microstructure and alteration of mechanical properties 1. Phase Transformations: a change in the number and/or character of the phases that constitute the microstructure of an alloy *phase: a homogenous portion of a system that has a uniform physical and chemical make up. *Stages of phase transformation 1. Nucleation: the formation of very small particals‚ called nuclei‚ of the new phase‚ which are capable of growing. 2. Growth: The
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design can help immensely with the long term operating cost. (U.S. Department of Energy‚ 2011) As IT loads account for around half the facilities energy consumption‚ choosing more expensive high efficiency machines will help reduce the necessary cooling and operating cost. (U.S. Department of Energy‚ 2011) Rack mounted servers are usually underutilized running around 20% of their working capacity yet consuming close to the full running energy. (U.S. Department of Energy‚ 2011) The Energy Star helps
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Australian ectotherms and endotherms A- TYPES OF TEMPERATURE REGULATION 1- The cat‚ human and platypus could be described as true endotherms‚ as they all maintain a relatively constant internal body temperature that is independent of the external temperature. As the environmental temperature rises from 5C to 40C‚ the humans body temperature remains constant‚ the cat’s and the platypus’ increases by around 3▫C. 2- The lizard and echidna are ectotherms as their body temperature fluctuates according
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