Download Process Model Approach - Operations Management - Past Exam and more Exams Production and Operations Management in PDF only on Docsity!
Semester II Examinations 2011/
Exam Code(s) (^) 1APE1, 1APE Exam(s) (^) Master of Applied Science (Enterprise Systems)
Module Code(s) IE Module(s) (^) Operations Management
Paper No. 1 Repeat Paper
External Examiner(s) Dr. Ralph Riedel Internal Examiner(s) Dr P. Donnellan Prof. S. Leen
Instructions : Answer any^ FOUR^ questions
Duration (^) 3 Hours
No. of Pages Cover + 3 pages College/Discipline Engineering & Informatics/Industrial Engineering. Course Coordinator(s) Dr P. Donnellan
Requirements :
Candidates may use calculators
Control Chart Factors are attached
Graph Paper is available
Question 1
a) State four of the basic assumptions used in the EOQ model for inventory management. 4 marks
b) Distinguish between a periodic inventory system and a continuous inventory system. Give an example of each type. 6 marks
c) Using a diagram explain the concept of an economic order quantity (EOQ), and show how the EOQ formula is derived: 5 marks
i.e. EOQ =
C c
2 C 0 D
d) Gilvarry Ornaments Ltd has a weekly demand of 200 units for a particular type of ornament and they operate for 50 weeks per annum. If ordering cost is €100 per order placed and holding cost is €1 per item per annum what is the economic order quantity? 6 marks
e) Given the result in part d) above what quantities would you order and how often would you place orders. Convenient batch sizes should be taken into account. 4 marks
Question 2
In the JIT Workshop a company called Muddle Ltd. was setup at the start of the exercise. The process design and layout was already done in this case.
a) Sketch the process layout for Muddle. 5 marks b) Explain the steps followed in designing such a process. [Hint- we had a discussion on the ‘PQRST’ approach to process design in class] 10 marks c) Discuss the benefits of the PULL system versus the PUSH system in a manufacturing system. 10 marks
Question 3
a) An effective design process is essential in order to meet ongoing customer requirements. Outline the key steps in a typical product design process. 15 marks
a) Explain how you would measure the quality of your design process (not the quality of the product). Hint: This is covered in section 7.3 of ISO9001. 10 marks
