MEMORIAL UNIVERSITY OF NEWFOUNDLAND FACULTY OF ENGINEERING AND APPLIED SCIENCE Engineering: 4312 Mechanics of Solids I Lab Test #4 – Torsion Test OBJECTIVES: To carry out a torsion test to destruction in order to determine for a 1020 carbon steel rod specimen: 1. The modulus of rigidity‚ 2. The shear stress at the limit of proportionality‚ 3. The general characteristics of the torque‚ angle of twist relationship. REFERENCES: 1. Hibbeler‚ R. C. "Mechanics of Materials"‚ Prentice-Hall
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I. OBJECTIVES: To determine the amount of anti-microbial peptide production by Staphylococcus warneri under various conditions when 2L and 10L Fermented. To Test the effects of one uncontrolled parameters sush as pH‚ Temperature or dissolved Oxygen and compare findings. To produce anti-microbial activity from Staphylococcus warneri. II. INTRODUCTION: Staphylococcus warneri is a member of bacterial genus Staphylococcus‚ consisting of Gram-positive bacteria with spherical
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IQ TEST RESEARCH A Research of the Reliability and Validity of the PSYGAT on Different Linguistic Backgrounds Abstract The issue of cultural bias in intelligence tests sparks debates every time the latter is created or administered‚ resulting to many researches into how the reliability and validity of an ability test may differ when assessed on groups from different cultural-linguistic backgrounds. The aim of this study is to test the reliability and validity of the PSYGAT Verbal IQ Test on
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Report on the Reaction of Flames Towards Medals  Introduction The purpose of the flame lab was to identify a set of flame-test color standards for selected metal ions‚ relate the colors of a flame test to the behavior of excited electrons in a metal ion‚ observe spectral lines using diffraction grating‚ and to identify an unknown metal ion by using a flame test. My hypothesis for the lab was that most of the flames when sprayed with a solution will be a orange-red color. The unknown element
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White Paper Effective Performance Test Results Analysis Vishwas Basavarajaiah ________________________________________ Technical Lead – V&V | IGATE | Phone: +1 309 660 9084 | Vishwas.basavarajaiah@igate.com | ________________________________________ Table of Contents Summary 1 1. Testing Toolbox 1 2. Common Testing Tasks 1 3. Everyday Scenarios 3 4 Evaluating Your Script 3 5. Recommended set of scripts 3 6. Conclusion 4 7. How will your use case bring value
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Daphnia Lab Results Paper Abstract The goal of the study was to observe the effects of multiple chemicals on a Daphnia magna’s heart-rate compared to a control (pond water). The different chemicals were caffeine and alcohol. The heart-rate was the main variable in this experiment. The Daphnia’s heart-rate was observed for 15 seconds and then multiplied by 4 to show its heart-rate in one minute. This was repeated 4 times for each chemical. The data was averaged at the conclusion. It was discovered
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capacity to act purposefully‚ think rationally‚ and deal effectively. . . the ability to plan and structure behavior. . . the process of acquiring storing‚ retrieving‚ comparing memory. . . the ability to solve genuine problems or difficulties. . . You can see that we still have not reached a common definition. There are other approaches to intelligence. We have studied Piaget‚ who believed that intelligence represents the biological adaptation of an individual to the environment. Piaget suggests
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To begin‚ for the two tests‚ I chose to take the Race IAT and the Weapons IAT. Before I took the Implicit Bias Test‚ I believed that I would have a slight preference towards White Americans‚ and that Black Americans would be most associated with weapons. The Implicit Bias Test was made to reveal our unknown biases‚ including prejudice. Some people may not realize they are cognitively prejudice‚ as they believe in stereotypes that state all Black people are “aggressive‚” that they’re all in gangs
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Will no gum or having gum improve test scores? Data Analysis The question being answered in this experiment is‚ “Which gum will improve memorization the best?” The hypothesis for this experiment is‚ “If the gum flavor is altered‚ then one flavor will improve memorization more than another flavor.” The independent variable is the flavor of the gum. The dependent variable is the scores after taking the test with the different flavors. The control group was the test scores without any gum.Experimental
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magnesium‚ and strontium were mixed with solutions containing the sulfate‚ carbonate‚ oxalate‚ and iodate polyatomic anions. Any changes that indicate a chemical reaction such as a color change‚ the formation of a precipitate‚ or the evolution of a gas should be noted. Each mixture contained five drops of the nitrate solution being tested‚ mixed with five drops of the solutions containing sulfate‚ carbonate‚ oxalate‚ or iodate. After mixing‚ the observation of chemical change was
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