Energy Conversion Tutorial 4 – DC Machine 1. Describe operation of DC machine (motor and generator) using illustrations. Specifically explain the purpose of: a. brushes d. armature winding b. split ring commutators e. effect of back emf (in operation) c. field winding 2. Draw the different configurations of DC machines a. shunt c. separately excited b. series 3. Develop‚ using Kirchhoff’s laws‚ equation for Ea (armature voltage) in both motoring and generating mode. 4. Describe three (3) methods
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Singapore Institute of Materials Management Diploma in Supply Chain Management Case Study: Double D Trucking Name : Jesmin Chen Shujun Batch : DSCM12/28 Subject : Distribution Management Lecturer : Mr Mystafa Sutan Date : 03 July 2011 Q1: Assess the conclusion reached by Douglas Dean regarding the nature of today ’s trucking industry and shipper demand characteristics. A1: The conclusion reached by Douglas Dean is “to become a full-service
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to understand the merits and demerits‚ including risk and return of the possible investments. Bearing these outcomes in mind‚ they can form a new strategy for the company. We will discuss 4 different subjects as stated in the assignment: * The merits and demerits of direct real estate investing are highlighted; * The potential benefits for LL of allocating its assets to indirect real estate; * The opportunity of assembling real estate property assets for listing as a REIT; * Propose
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MAC II Dakota Office Products Q1) Why was Dakota’s existing pricing system inadequate for its current operating environment? The existing policies being followed by Dakota regarding Accounts receivables are a major issue‚ which is affecting its payment of working capital line of credit (@10%). Customer A pays its bill within 30 days‚ whereas B takes up 90 days or more. Dakota can achieve sufficient liquidity‚ if it tightens its credit policy. | | | | | 2) Develop an activity
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essay. Writer’s Checklist for Evaluation Essay 1. Have I included a clear description of the subject I am evaluating? Yes‚ the Ford F250. 2. Does my thesis clearly state my opinion of the subject I am evaluating? Yes‚ it clearly states my opinion of the subject. 3. Have I used effective criteria to evaluate my subject? I have used reliable sources to evaluate my subject. 4. Have I made a clear and fair judgment about each evaluative criterion? I have made a fair judgment about each evaluative
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1. Searching for potential life on exoplanets Despite the rapid improvement in technology the past few years‚ the current technology is not capable of yielding a completely successful mission that would travel to other stars and search for habitable exoplanets. Fortunately‚ the number of solar systems and exoplanets discovered is increasing. Direct images received from those exoplanets have a very low resolution but provide plenty of useful information. This essay will examine how this information
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Based upon customer order size‚ prices should have been varied and the cost determination of the DOP should have been evaluated as it generated a loss. 2. Develop an ABC system for Dakota based on Year 2000 data. Calculate the activity cost-diver rate for each activity in 2000. a. Order Entry i. Order Entry Expenses/Order Lines ii. $800‚000/150‚000= $5.3/line b. Carton Processing i. (90% of warehouse personnel expense + Cost of Items)/cartons ii. (.9*2‚400‚000+35‚000‚000)/80‚000= $464.5/carton
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Life Cycle Cost Analysis James Pappas Logistics Management and Operations‚ TLMT 353‚ Spring 15 American Public University Professor Ernest Hughes 29 June 2015 Life Cycle Cost Analysis Life cycle cost analysis (LCCA) is a process of evaluating the costs that can be identified and quantified‚ to include all factors like acquisition‚ sustaining‚ maintaining and final disposition of the item‚ that can have an impact on the whole system cost during its life span. (Blanchard‚ 2004)
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DC Motor Drive Basics - Part 4: Chopper-fed dc motor drives Austin Hughes 11/11/2008 2:51 PM EST [Part 1 begins with an overview of the operation of thyristor-fed DC motor drives. Part 2 continues with a look at converter output impedance‚ four-quadrant operation‚ single- and double-converter reversing drives and power factor and supply effects. Part 3 examines the operation of a standard dc drive system with speed and current control.] CHOPPER-FED D.C. MOTOR DRIVES If the source of supply
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DONVAL AUTO REPAIR AND PAINTING SERVICES An Undergraduate Feasibility Study Presented to The Faculty of St. Joseph’s College‚ Commerce Department Major in Management Submitted By: Glenn Carlo S. Valdon July 2009 Acknowledgements The proponents of the business‚ DONVAL AUTO REPAIR and PAINTING SERVICES would like to express his profound gratitude to the following who help and guide him accomplish this Feasibility Study. First of all‚ the proponent would like to thank our
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