Department of MECH an ica l.in Paavai Institutions ch UNIT II ww w. me LINEAR AND ANGULAR MEASUREMENTS UNIT-II 2. 1 Department of MECH CONTENTS LINEAR MEASURING INSTRUMENTS 2.1.1 SCALES 2.1.2 CALIPERS 2.1.3 VERNIER CALIPERS 2.1.4 MICROMETERS 2.1.5 SLIP GAUGES 2.3 LIMIT GAUGES 2.4 PLUG GAUGES 2.5 TAPER PLUG GAUGE 2.6 RING GAUGES 2.7 SNAP GAUGE 2.8 TAYLOR’ S PRINCIPLE 2.9 COMPARATORS
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Reliability and Validity Sophia Fonash Walden University Reliability and Validity Whiston (2013) has explained that reliability is the qualification for having validity. The instrument can be reliable but does not mean it is valid. However‚ the assessment must be reliable to be valid. Whiston (2013) stated that if the inventory can measure something consistently but it may not be measuring what the assessment is supposed to measure then it is reliable but not valid. II. Purpose and Nature of the
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Measurement and Uncertainty When recording data‚ each entry should be given a corresponding estimated error‚ or uncertainty. The uncertainty gives the reader an idea of the precision and accuracy of your measurements. Use the following method for finding the uncertainty associated with any measuring device used in lab. First‚ find the least count‚ or the smallest printed increment‚ of the measuring device. On the meter sticks‚ the least count is 1 mm. On the double pan balances‚ the least count
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Reliability and Validity Worksheet ***USE THIS VERSION*** Due Day 7: 5/20/13: Reliability and Validity Worksheet Use this version of the matrix because it has been updated. You will receive a .5 deduction for using the older version. PUT YOUR NAME HERE: _____________ Do NOT quote the text‚ explain these ideas in your own words. University of Phoenix Material Validity and Reliability Matrix For each of the tests of reliability and validity listed on the matrix‚ prepare
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What Beauty Means To Our Society People today base too much emphasis on looks. If someone doesn’t fit the criteria for what we believe should be the “perfect” man or woman then they are not fully accepted. Appearances can very easily help someone get a job‚ out of a ticket‚ special treatment at restaurants‚ and many more things. A lot of people have mistaken beauty for what is accepted by the “celebrity” world. For many women what society sees as acceptable and pleasing influences their everyday
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Performance Measurement in a Modern Business Environment________________________________________ In the past‚ performance measures were primarily based on financial measures (Bruns‚ 1998) where the double entry accounting systems was used to avoid disputes and settle trades between traders (Johnson‚ 1983). As businesses began to grow‚ their nature and structure also began to change‚ reducing the control and the close relationship that existed between the owners and management. Consequently‚ the
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Case Study 12.31 and 12.32 This paper addresses the solutions to Case Study 12.31 and 12.32 in the textbook authored by David Marshall‚ Wayne McManus‚ and Daniel Viele “Accounting; What the numbers mean.” Both case studies bring about a better understanding of operating and financial leverage. This discussion includes the return on investment‚ return on equity‚ contribution margin‚ and break-even point. All these terms associate with the two types of leverage. The exertion of a force that
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| KaBoom! | Memo To: Darrell Hammond‚ CEO and co-founder of KaBoom ! From: Ningyu Hou (April)-9565130‚ Wenyi Li (Lily)-9558764 Date: [ 10/4/2010 ] Subject: Prepare a performance measurement system for KaBoom! Introduction The primary objectives of this case were to create a performance measurement system by balanced scorecard in order to understand how the company has performed and its impact on performance. The analysis considers internal and external factors of the scorecard to the company
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Performance measurement‚ Compensation and Multinational Considerations Mukhammadbobir 1401617 Faruddin 1401625 Louis Awu 14016 Performance Measurement is generally defined as regular measurement of outcomes and results‚ which generates reliable data on the effectiveness and efficiency of programs. Performance measures quantitatively tell us something important about our products‚ services‚ and the processes that produce them. They are a tool to help us understand‚ manage‚ and improve what our organizations
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13 AC MEASUREMENT This chapter explains rectification for measurement and rectifying instruments. Knowledge of the circuit principles will help you use these instruments properly and measurements alternating current correctly. One of the most common and economical methods for measuring alternating currents is to rectify these currents and read the resultant DC on an analog or digital volt-ohm meter (VOM). You need to take many considerations into account when using rectification: what type of
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