Unit operations and unit processes http://www.mine-engineer.com/ • At the end of this unit you should be able to: a. List the various reasons for undertaking size reduction and enlargement in the chemical industry b. Describe the operation principles of some size reduction equipment and size enlargement equipment c. Explain how industrial materials can be separated on the basis of their magnetic‚ electrostatic‚ hydrophobic and volatility differences respectively d. Discuss various organic unit
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Money and banking The demand for money Exam question: "The demand for money is purely a transactionary demand." Discuss The objective of this question is to discuss the statement: "The demand for money is purely a transactionary demand." This essay will begin by with determination of money. It will show that it is usual to distinguish three reasons why people want to hold their assets in the form of money. And these reasons are: the transactions motive‚ the precautionary motive and the asset
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Reading 1 – The Units and Levels of Selection by Samir Okasha (Ch 8‚ A Companion to Philosophy of Biology) Traditional Darwinian View – * Though Darwin treats individual organisms as basic unit of selection‚ other possibilities can be seen * Lewontin (1970) – Natural Selection will operate on any level that exhibits ‘heritable variation in fitness’. * Hence the question of level seems purely empirical – but is not. Historically – * The debate of Levels of Selection can be
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CHAPTER 20 Supply and Demand: Elasticities and Government-set Prices A. Short-Answer‚ Essays‚ and Problems New 1. The president of a toy company asks you for advice about whether the company should cut the price of its best-selling doll this year based on the following information: last year the company cut the price of its best-selling doll by 10% and the total revenues from doll sales increased by 10%. New 2. The owner of a health club asks you for advice about whether the company
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UNIT 6 DEMAND ESTIMATION AND FORECASTING Objectives By studying this unit‚ you should be able to: identify a wide range of demand estimation and forecasting methods; apply these methods and to understand the meaning of the results; understand the nature of a demand function; identify the strengths and weaknesses of the different methods; understand that demand estimation and forecasting is about minimising risk. Structure 6.1 6.2 6.3 6.4 6.5 6.6 6.7 6.8 6.9 Introduction Estimating Demand Using
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QUESTION 1 a) Seasonal demand can be consumer interest in purchasing particular products only during a specific period within the calendar year. For example‚ Christmas trees‚ most fruits‚ school books and uniforms‚ TVs‚ cards and tourism sector among others are subject to seasonal demand. There are certain problems that are associated with this kind of seasonal demand they include; Over stocking is one of the problems of this kind of demand. Seasonal demand poses problems for businesses because
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Pre-Unit Assignment Task: Task | Description | Person responsible for the task | Date to be completed by: | Date completed | Choose team leader | This is a very important role so choose the most suitable person for the role | NadimAbidMuhammed | 14/09/12 | 08/09/12 | Break down the task | Identify the sub-tasks that need to be completed | Nadim | 14/09/12 | 09/09/12 | Research benefits/theories of teamwork | Benefits of Teamwork | Nadim | 14/09/12 | 09/09/12 | | Research the theories
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Microbiology 20 Laboratory Final Exam Guidelines The laboratory exam will be given on Tuesday December 4th (sections 0375 and 3252) or Thursday December 6th (section 3253) and consist of an open book portion given in CMS 105 followed by a practical portion (closed book) to be given in the lab (CMS 002). You will not need a Scantron. For the open book test‚ be sure to bring any resources you may need including your lab manual‚ lab notebook‚ safety guidelines and handouts. For the practical portion
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One of the SKUs has the following characteristics. Demand (D) = 20‚000 units/year Ordering cost (S) = $40/order Holding cost (H) = $2/unit/year Lead time (L) = 2weeks Cycle-service level = 95% Demand is normally distributed with a standard deviation of weekly demand of 100 units. Current on-hand inventory is 1.040 units with no scheduled receipts and no backorders. 1. Calculate the item’s EOQ. What is the average time‚ in weeks between orders? EOQ = (2DS)/H EOQ = (2*20000*40)/2 EOQ = 800000
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Both S1 and S2 are true. 5. - 16. A minimization problem with four decision variables‚ two greater-than-or-equal-to constraints‚ and one equality constraint will have 1. 2 surplus variables‚ 3 artificials‚ and 3 variables in the basis. 1 2. 4 surplus variables‚ 2 artificials‚ and 4 variables in the basis
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