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Deming PDCA Cycle - Operations Management - Past Exam, Exams of Production and Operations Management

Main points of this past exam are: Deming Pdca Cycle, Inventory Management, Economic Order Quantity, Periodic Inventory Management, Method Of Forecasting, Projected Demand, Including Inputs, Required Data, Pareto Plot, Cause Effect Diagram

Typology: Exams

2012/2013

Uploaded on 04/08/2013

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Semester II Examinations 2009/2010
Exam Code(s)
1AP1, 1AP2
Exam(s) Master of Applied Science (Enterprise Systems)
Module Code(s) IE828
Module(s) Operations Management
Paper No. 1
Repeat Paper
External Examiner(s) Prof. J. Antony
Internal Examiner(s) Dr P. Donnellan
Prof P. McHugh
Instructions:
Answer any FOUR questions
Duration
3 Hours
No. of Pages Cover + 3 pages
College/Discipline Engineering & Informatics/Industrial Engineering.
Course Co-ordinator(s) Dr K Cormican
Requirements:
Candidates may use calculators
Page 1
pf3
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Semester II Examinations 2009/

Exam Code(s) (^) 1AP1, 1AP Exam(s) (^) Master of Applied Science (Enterprise Systems)

Module Code(s) (^) IE Module(s) (^) Operations Management

Paper No. 1 Repeat Paper

External Examiner(s) Prof. J. Antony Internal Examiner(s) Dr P. Donnellan Prof P. McHugh

Instructions: Answer any FOUR questions

Duration (^) 3 Hours

No. of Pages Cover + 3 pages College/Discipline Engineering & Informatics/Industrial Engineering. Course Co-ordinator(s) Dr K Cormican

Requirements :

Candidates may use calculators

a) What are the basic assumptions used in Inventory Management? 5 marks

b) Explain the concept of an economic order quantity (EOQ), and show how the EOQ formula is derived: (use Diagrams please)

C c

2 C 0 D

i.e. EOQ =

8 marks

c) A carpet store wants a reorder point with a 95% service level and a 5% stockout probability. For the data given below calculate the reorder point and an appropriate safety stock level. (Note Z= 1.64 for 95% service level)

5 yardsper day

L= 10 days

= 30 yardsperday

d^ 

d

12 marks

Question 2 (a) Explain how the Continuous and Periodic Inventory management systems work. Give an example of each system. 10 marks

(b) The manager of a large insurance office is examining the purchasing policy for stationery. He starts with an envelope that is used extremely frequently – he estimates 10,000 per week – and costs 5p each. He estimates that the cost of placing an order is £50, independent of the order quantity, and that the cost of holding stock is approximately 35 per cent of the value of the stock held. (i) Calculate the economic order quantity for the envelope, and suggest how frequently it should be ordered. 8 marks (ii) The supplier offers to reduce the price to 4.5p each, if the whole year’s requirement is ordered and paid for in advanced. Should this offer be accepted? 7 marks

a) Explain how an MRP system works, including inputs, outputs and required data sources. Use a simple example in support of your answer. 12 marks b) Capacity is not factored into the basic MRP calculations as MRP tells you what you need to do, not how to do it. Discuss how you would plan capacity, including capacity expansion strategies, and the concept of load leveling. Also present some strategies you would use to manage fluctuations in demand. In particular discuss how you would handle a variety of demand increase scenarios. 13 marks

Question 6

a) Define Quality from the Producers perspective and from the Consumers perspective. 8 marks

b) Explain the Deming PDCA Cycle 4 marks

c) Explain the DMAIC process used in the 6 Sigma methodology. 8 marks

d) Show a generic Cause effect diagram and a Pareto plot and briefly explain how they are used. 5 marks