Applied Heat past Examination Questions 1. An Ammonia refrigerator is to produce 2 tonne of ice per day at -4°C from water at 20°C. if the temperature range in the compressor is between 25°C and -6°C‚ Calculate horse power required to derive the compressor. Latent Heat of ice = 80 kcal/kg‚ and specific heat of ice= 0.5 2. A compressor draws 42.5 m3 of air per minute in the cylinder‚ at a pressure of 1.05 kg/cm abs. It is compressed Polytropically pV1.3=C to a pressure 4.2
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Specific Requirements This section provides comprehensive details on all requirements. It should include all of the details which the designer will need to create the design. The details that is shown below should be defined as individual specific requirements such as User Requirements and System Requirements. It also contains all of the software requirements to a level of detail sufficient to enable designer to design a system to satisfy those requirements and testers to test that the system satisfies
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Lab: investigating hooked law with springs Purpose: to find spring constants of different springs using the slope of a graph of change in heights vs. the weight force. Also‚ to be able to understand how spring constants change when you add springs in a series or paralle Pre lab predictions: We predicted that the graph of gravitational force (mg) as a function of stretch (delta x) would look like Data: Spring #1: y = 8.2941x + 0.0685 This table represents the different distances that
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Define social death and describe some specific ways in which it is manifested. Social death is described as a concept that “is defined situationally by observing how a person is treated by others.” (Kastenbaum‚ 56) Even if an individual is trying to be part of a group‚ they may be disregarded or rejected. Any person can experience social death because we are all at the mercy of our peers. All people are looking to be accepted and feel like they are part of something greater than themselves
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Toxicology Lab 1. In this investigation‚ a wide range of concentrations of Sodium Chloride (NaCl) solution were created and the effects that they had on radish seeds were tested. This ultimately created a doseresponse experiment in which it was detectable whether or not radish seeds were a reliable bioassay for the toxicity of NaCl. The goal of this experiment was to determine a correlation between toxicity and seed germination/radicle
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11/26/12 Specific Disability Paper: Autism People have been trying to define and “normalize” what it is to be human through science‚ media‚ and culture for centuries. A mold has been created by societies around the world to look‚ feel‚ and act‚ without giving much more than an afterthought to what it would be like to break out of the mold; to know what it is like to be different. At a basic‚ surface level‚ PubMed Health defines autism as a developmental disorder that appears in the first 3
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3rd Year Thermodynamics Lab Report Mechanical Engineering Science 10 Forced Convection (in a cross flow heat exchanger) Summary The aim of this lab is to determine the average convective heat transfer coefficient for forced convection of a fluid (air) past a copper tube‚ which is used as a heat transfer model. Introduction The general definition for convection may be summarized to this definition "energy transfer between the surface and fluid due to temperature
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My generation of the Joes family has experienced a curriculum where students of different schools are able to read different texts but my parent’s generation has experienced an entire nation following the same curriculum and reading the same texts. Having all students read the same books and follow the same curriculum has a greater benefit for all the students in the nation because everyone is on the same educational level. Being on this same educational level‚ all the students in the nation applying
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3. Criteria for judging ad effectiveness include “getting it‚” cognitive residue‚ knowledge‚ attitude change‚ feelings and emotions‚ physiological changes‚ and behavior. Identify specific evaluative advertising research methods that could be used to test an ad’s impact on any of these dimensions. Specific evaluative advertising research methods would include a communications test‚ thought listings‚ recall tests‚ recognition tests‚ surveys‚ attitude studies‚ and so on. Communication tests
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Heat Conduction along a Composite Bar Objective To study the conduction of heat along a composite bar and evaluate the overall heat transfer coefficient. Theory Thermal conduction is the mode of heat transfer which occurs in a material by virtue of a temperature gradient within it. A solid is chosen for the demonstration of pure conduction since both liquids and gasses exhibit excessive convective heat transfer. In a practical situation‚ heat conduction occurs in three detentions‚ a complexity
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