Contents Abstract 3 1.0 Introduction 3 2.0 Experiment Design 4 2.1 Apparatus 5 2.2 Methods 5 2.3 Procedure 6 3.0 Results and Discussion 7 4.0 Error Analysis 13 5.0 Conclusion and Recommendation 13 6.0 References 14 Abstract In this torsion testing experiment‚ the torsion test was evaluated as a system for calculating the torsional rigidity (GJ)‚ modulus of rigidity (G) and the shear yield stress (τ) for aluminium‚ mild steel and brass. The both ends of the cylindrical specimen are tightened
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Animal testing in New Zealand Although there is no legal ban in New Zealand preventing cosmetic companies from testing their products or ingredients on animals they should really think twice before they start killing innocent animals. There are many‚ many ways which include testing on animals such as dogs‚ birds‚ deer‚ fish‚ cows‚ pigs‚ cats‚ mice‚ rats and rabbits. What these poor animals have to through is sad and beyond cruel. There are many tests carried out during cosmetics testing such
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Learning and Cognition PSY 390 August 13‚ 2012 Learning and Cognition Scientists and psychologists have studied the topic of learning for more than a century‚ and merely scratched the surface of how the brain functions in respect to learning and cognition. Factors‚ such as learning is a basic function of human beings‚ and humans are born with specific innate abilities‚ however it is still somewhat of a mystery how the process of learning is accomplished. Within this essay‚ a definition
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Drug Testing Gabrielle A. Pili-Mahoe ENGLISH 3 –Period 1 Argument Research Essay March 14‚ 2013 Gabrielle A. Pili-Mahoe Ms. Wright English 3 - Period 1 Argument Research Essay March 14‚ 2013 Unlike most people‚ that has vehicles of their own to transport them from and to their location. But other people they don’t have that advantage‚ they would have to take public transportation‚ such as taxis and especially the city buses. For the employees know that their workplace is at safety
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Psychological testing has been done for years. Many have used is as an easy‚ cheap way to hire profitable‚ productive‚ and honest employees. But ultimately‚ the test accuracy depends on how carefully and seriously you answer the question being asked. One may say that these types of test are fair to hire people‚ but it is a proven fact that these test do not help determine if a person presses traits required for job success. For instance‚ there are many psychological test that fall into different
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Standardized testing is something you’re bound to come across in public schools as soon as first grade. I remember taking test after test as a public school student‚ and I can’t really say I ever got anything out of it. These tests are putting so much pressure on teachers and students a like. A bunch of old men sitting around a table who’ve never even stepped foot in my school can make a test and say that it evaluates what students have learned as a whole. The problem with standardized testing‚ its just
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and scientific centers. Animal testing is wrong and downright mean. Innocent animals should not be treated badly and caused pain for the sake of a human ’s safety. Many people think animal testing is good while others think it is wrong. I think it is completely and absolutely wrong. Some people argue that humans are not necessarily superior to animals‚ so why should animals be experimented on and made to suffer to protect human beings? Do you know what animal testing is‚ what condition the animals
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This experiment will explain what the Rockwell hardening test is and why it is used‚ how the experiment was conducted‚ data that was found‚ and the importance of testing the hardness of materials. This experiment explains and proves how the hardness of materials can be increased by alloying and heat treating. Intro – Rockwell Hardness Testing Soft and hard qualities exist in materials. In materials‚ hardness measures the ability of a material to resist scratching‚ indentation‚ or penetration. Hardness
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Is standardized testing improving our students’ academic achievement level? Or is it causing several high schools around the world to have a lower graduation rate? I personally feel that there should be no standardized test that determines if students graduate and receive their diploma. Causing stress on our teachers‚ lowering graduation rates‚ and putting at risk students at a higher risk is three of several reasons why standardized testing should no longer be permitted in our schools. All teachers
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concept of standardized testing. Standardized testing has been around a long time and is used in many other ways besides in schools. Standardized testing can be used when getting a drivers license‚ or even to get a job. It first came about in 1917‚ when it was used as a mean of assessing militant recruits. During this time it was able to test young men quickly and enter them into the military based on their level of intelligence. Standardized testing was important in testing the objectives quickly
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