UNIVERSITY COLLEGE DUBLIN

NATIONAL UNIVERSITY OF IRELAND, DUBLIN

Bachelor of Science in Management and Human Resource Management (BSc17 Sri Lanka)

BMGT 3003L: Operations Management

Answer four Questions Total Marks: 50 Time: 03 hours

Question Number -01

a) How do you understand operations strategy? Discuss the requirements from an operations perspective of competing on quality, cost, flexibility, speed, innovation and service.

b) What are the four basic types of production processes? How do they differ? Give an example of each.

Question Number -02

During registration at Tech every quarter, students in the Department of Management must have their courses approved by the departmental advisor. It takes the advisor an average of five minutes (exponentially distributed) to approve each schedule, and students arrive at the adviser’s office at the rate of 10 per hour (Poisson distributed). Compute

a) L, Lq, W, Wq, and pb) What do you think about this system? How would you change it?

Question Number -03

The Speedy Pizza Palace is revamping its order-processing and pizza-making procedures. In order to deliver fresh Pizza fast, six elements must be completed.

Work Element Precedence Performance time (Min)

A – Receive Order - 2

B – Shape Dough A 1

C – Prepare Toppings A 2

D – Assemble Pizza B,C 3

E- Bake Pizza D 3

F- Deliver Pizza E 3

a) Construct a precedence diagram and compute the flow time for the process.

b). If the demand for pizzas is 120 per night (5:00 p.m. to 1:00 a.m.), what is the takt time?c). Balance the line and calculate its efficiency.d). How would the line change to produce 160 pizzas per night?

Question Number -04

a) What does a learning curve specifically measure?b) Discuss some of the uses and limitations of learning curves

c) The housekeeping staff at the five-star Ritz Hotel has a specific, detailed list of activities for cleaning an occupied room. Each activity is completed whether or not it looks like it is necessary. When the hotel hires a new housekeeper, it takes that employee about 55 minutes to clean a room the first time. The learning curve for this job is 92%, and the average minimum time for an experienced housekeeper to clean a room is 32 minutes. How many rooms will a newly hired housekeeper have to clean before it can be done in 32 minutes? If a housekeeper has an eight-hour work day with 1.5 hours off for lunch and breaks, how many work days will be required before the housekeeper is fully proficient and able to clean a room in the minimum average time?

Question Number -05

c) How do you understand the six sigma system? Discuss the advantages of the concept of “quality at the source”

d) Write short notes giving examples on the following

a. Poka-Yoke ( Human Error Reduction)b. Overall Equipment Effectiveness (OEE)c. Pull System (kanban)d. Process Capability Index