Bom Paper

educatee IDENTIFICATION NO MULTIMEDIA UNIVERSITY SECOND TRIMESTER FINAL EXAMINATION, 2009/2010 SESSION BOM 2O64 fictitious character AND OPERATIONS MANAGEMENT ( totally classs / Groups) declination 2009 a. m. a. m. (2 Hours) INSTRUCTIONS TO STUDENT 1. This Question paper consists of 9 pages with TWO SECTIONS. 2. Attempt ALL questions in Section A and B. The label for each question be given. 3. resultant Section A in the OMR Form exitd, and answer Section B in the Answer Booklet provided. BOM 2064 lumber AND OPERATIONS MANAGEMENT DECEMBER 2009 SECTION A Answer ALL questions in this section. 40 tag) 1. Manufactu name choke sent to other countries is called __________________. A) downsized B) outsourced C) internationalization D) vertical desegregation E) entrepreneurial ship 2. Production systems with customized outputs typically have relatively ____________. A) high volumes of output B) miserable social unit be C) high amount of specialized equipment D) fast work movem ent E) skilled thespians 3. Which of the adjacent is non emphasized in a lean growthion system? A) falling prices B) high quality C) worker involvement D) continual improvement E) node satisfaction 4.Which of the pursuit is not a benefit of exploitation models in decision fashioning? A) They provide a standardized format for analyzing a problem. B) They serve as a consistent tool for evaluation. C) They argon easy to apply and less expensive than dealing with the genuine situation. D) All of the above be benefits. E) None of the above is a benefit. 5. Which of the quest is not an ongoing curve in manufacturing competition? A) worldwideization B) quality improvement C) flexibility and agility D) mass productionion for economies of weighing machine E) technological advances . Product design and choice of location are examples of ______________ decisions. A) strategic B) tactical C) operational D) customer foc utilise E) design go on TPK page 1 of 9 BOM 2064 QUALITY AN D OPERATIONS MANAGEMENT DECEMBER 2009 7. A productiveness increase in one operation that doesnt improve overall productivity of the business isnt__________________. A) effective B) efficient C) politically justified D) productive E) financially justified 8. Which of the following is admittedly? A) Corporate strategy is shaped by functional strategies.B) Corporate mission is shaped by corporate strategy. C) Functional strategies are shaped by corporate strategy. D) External conditions are shaped by corporate mission. E) Corporate mission is shaped by functional strategies. 9. The external elements of SWOT analysis are ___________________. A) strengths and weaknesses B) strengths and threats C) opportunities and threats D) weaknesses and opportunities E) strengths and opportunities 10. For an organization to grow their market share, they must _______________.A) advertise using multi-media B) visit their prices C) meet minimum standards of acceptability for their products or services D) establish an internet website E) broaden their mission statement 11. A disadvantage of global teams for product design is that_______________. A) Customers may have different needs in different countries B) The product designed may have increased marketability and utility C) The diversity of an international team may be a detriment D) Ease of face to face meetings is absent since members are located everywhere E) Technology allows uninterrupted contact with team members 12. One step that isnt part of service lueprinting is _______________. A) Eliminate boundaries for the service and get back on the level of interaction needed B) Identify and determine the sequence of customer and service actions and interactions C) give prison term estimates for each phase of the process D) Understand the time divergence involved E) Identify likely failure points and develop a plan to minimize them Continued TPK page 2 of 9 BOM 2064 QUALITY AND OPERATIONS MANAGEMENT DECEMBER 2009 13. The p rocess of dismantling and inspecting a competitors new or revised product for the purpose of gleaning design ideas is called ____________________.A) design by imitation B) product analysis C) reverse engineering D) benchmarking E) disassembly 14. Which of the following is an issue that designers must take into account in product and service design? A) legal, environmental, and honest issues B) reliability C) standardization D) range of operating conditions E) all of the above 15. A formal way to enter customer requirements is __________________. A) consumer surveys B) quality function deployment (QFD) C) focus groups D) Delphi technique E) sales/marketing matrix 16. Which of the following is not a goal of supply chain management?A) fewer suppliers and long-term relationship B) small dissever sizes C) on time deliveries D) lowest possible transportation cost E) delivery often to the place of use 17. Vendor analysis has the greatest potential for savings for items which have ______ ______________. A) low cost per unit B) low annual cost-volume C) high cost per unit D) high annual usage E) high annual cost-volume Continued TPK page 3 of 9 BOM 2064 QUALITY AND OPERATIONS MANAGEMENT DECEMBER 2009 18. Which of the following is not true of seller analysis? A) It involves an examination of the function of purchased parts or raw materials.B) Its purpose is to sheer costs and/or improve performance of purchased goods or services. C) It is usually performed only periodically. D) Representatives from design and trading operations may work with purchasing. E) If improvements are identified, purchasing implements those that purchasing agrees are justified. 19. Which of the following would not usually be a main factor in selecting a vendor? A) location B) price C) quality D) inventory turnover E) vendor services 20. Which of the following is part of the purchasing cycle? (I) Purchasing selects a supplier. II) Orders from vendors are received. (III) Purchasing receives a requisition. A) B) C) D) E) II and III I, II, and III I only I and II I and III 21. An operations strategy for inventory management should work towards _________. A) increasing lot sizes B) decreasing lot sizes C) increasing guard stocks D) decreasing service levels E) increasing order quantities 22. Which one of the following is not generally a clincher of the reorder point? A) rate of demand B) length of lead time C) lead time variability D) stockout risk E) purchase costContinued TPK page 4 of 9 BOM 2064 QUALITY AND OPERATIONS MANAGEMENT DECEMBER 2009 23. The pertinacious order interval model would be approximately likely to be used for this situation A) A company has switched from mass production to lean production. B) Production is done in batches. C) Spare parts are ordered when a new machine is purchased. D) Grouping orders can save shipping costs. E) none of these 24. All of the following are possible reasons for using the fixed order interval model except _____________ ______. A) supplier policy encourages use.B) Grouping orders can save in shipping costs. C) The required base hit stock is disdain than with an EOQ/ROP model. D) It is suited to periodic checks of inventory levels rather than continuous monitoring. E) Continuous monitoring is not practical. 25. The need for safety stocks can be reduced by an operations strategy which A) increases lead time B) increases lead time variability C) increases lot sizes D) decreases ordering costs E) decreases lead time variability 26. The comprehensive approach used in JIT systems to deal with quality includes ________________.A) designing quality into products and processes B) insisting vendors provide high quality materials C) making workers responsible for producing high quality D) A, B and C E) 100% inspection of raw materials, work-in-process and finished goods 27. Which of the following is not a benefit of small lot sizes in JIT systems? A) In-process inventory is considerably less. B) Each produ ct is produced less frequently. C) Carrying costs are reduced. D) There is less clutter in the workplace. E) Inspection and rework costs are less. Continued TPK page 5 of 9 BOM 2064 QUALITY AND OPERATIONS MANAGEMENT DECEMBER 2009 28.Which of the following is not characteristic of preventive maintenance in JIT systems? A) maintaining equipment in good operating condition B) switch parts when they are worn but before they fail C) workers maintaining their own equipment D) eliminating supplies of spare parts to reduce capital investment E) perceiving breakdowns as an opportunity for improvement 29. The Kaizen Philosophy applies to _______________. A) Employee development B) Safety stock C) gasconade D) Supply Chain Management E) MRP III 30. An operations strategy toward the JIT philosophy of production should recognize that JIT __________________.A) is most suited for non-repetitive manufacturing B) cannot be implemented sequentially C) requires a wholesale commitment from the outset D) may provide a competitive advantage E) all of the above SECTION B Essay and Calculation Questions Answer ALL THREE questions. (60 Marks) QUESTION 1 The general manager of a building materials production jell feels that the demand for plasterboard shipments may be related to the number of construction permits issued in the country during the preceding quarter. The manager has collected the info shown in Table 1. 1. a) Review the scatter diagram (Figure 1. ) to see whether the data can be satisfactorily described by a linear equation. b) Determine the linear arrested development equation for the data 2 attach 15 marks c) Determine a point estimate for plasterboard shipments when the number of construction permits is 30. 3 marks Total Marks = 20 Continued TPK page 6 of 9 BOM 2064 QUALITY AND OPERATIONS MANAGEMENT DECEMBER 2009 Table 1. 1 Construction Permits (X) 15 9 40 20 25 25 15 35 plasterboard Shipments (Y) Shipments Y 18 16 14 12 10 8 6 4 2 0 0 10 20 30 40 50 Permits X 6 4 16 6 13 9 10 16 igure 1. 1 QUESTION 2 a) What are the principles underlying TQM? 10 marks b) Discuss the long-run effects of quality improvement on a firms profitability. 10 marks Total marks = 20 QUESTION 3 The Goliaq Tool Company produces slip ring bearings, which look like flat doughnuts or washers. They fit around shafts or rods, such as drive shafts in machinery or motors. At an wee stage in the production process for a particular slip ring bearing, the outside diam of the bearing is measured. The company has taken 10 samples (during a 10 day period) of 5 slip ring bearings (i. e. , n = 5) and measured the diameter of the bearing.The individual observations from each sample are shown as follows TPK page 7 of 9 BOM 2064 QUALITY AND OPERATIONS MANAGEMENT DECEMBER 2009 Continued hear k 1 2 3 4 5 6 7 8 9 10 1 5. 02 5. 01 4. 99 5. 03 4. 95 4. 97 5. 05 5. 09 5. 14 5. 01 Observations (Slip Ring Diameter, cm) 2 3 4 5. 01 4. 94 4. 99 5. 03 5. 07 4. 95 5. 00 4. 93 4. 92 4. 91 5. 01 4. 98 4. 92 5. 03 5. 05 5. 06 5. 06 4. 96 5. 01 5. 10 4. 96 5. 10 5. 00 4. 99 5. 10 4. 99 5. 08 4. 98 5. 08 5. 07 5 4. 96 4. 96 4. 99 4. 89 5. 01 5. 03 4. 99 5. 08 5. 09 4. 99 6 marks 10 marks 4 marks a) Determine all sample means and the mean of all sample means. ) Calculate upper and lower control limits. c) Is this process in control? Total marks = 20 Relevant Equations 1) CL = X UCL, LCL (X bar) = X ? A2 R UCL ( R) = D4 R LCL ( R) = D3 R Table for X bar & R Charts No of Observation In milling machinery group n 2 3 4 5 6 2) UCL ? = c + 3v c LCL ? = c 3v c Continued TPK page 8 of 9 A2 1. 88 1. 02 0. 73 0. 58 0. 48 D3 0 0 0 0 0 D4 3. 27 2. 57 2. 28 2. 11 2 BOM 2064 QUALITY AND OPERATIONS MANAGEMENT DECEMBER 2009 3) p = Total No of Defective from All Samples/ (No of Samples X Sample Size) Sp = v p (1 p )/n CL = p LCL = p 3 Sp UCL = p + 3 Sp ) electrical condenser Utilization = Capacity Used / Best Operating Level 5) r ? n ? XY ? X ? Y ? ?n ? X 2 ? X ? 2 ? ?n ? Y 2 ? Y ? 2 ? ? ? ? ? a ? Y ? bX b= ? XY ? n X Y ? X 2 ? nX 2 6) exponential function smoothing Forecast for the month t Ft = Ft 1 + ? (At 1 Ft 1) 7) Exponential smoothing with impulsion adjustment Forecast for the month t Ft = ? (At 1) + (1 ? )(Ft 1 + Tt 1) Trend for the month t Tt = ? (Ft Ft 1) + (1 ? )Tt 1 FIT = Ft + Tt 8) Inventory Management EOQ = Q * ? 2 DS H 2 DS H p p ? u TC ? Q D H? S 2 Q EPQ = Q0 ? I max ? Q ( p ? u) P TC= I m ax D H? S 2 Q End of Page TPK page 9 of 9