Intro To Operations Management

Question 1:

Workers should be given more control over the inspection for their own work. Discuss the pros and cons of this situation? (Marks 2)

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Question 2:

A. What are the advantages of Exponential smoothing over the Moving average and the Weighted moving average? (Marks 2)

B. Explain the aggregate planning strategy? (Marks 2)

Question 3:

Sequence the jobs shown below by using a Gantt chart. Sequence the jobs in priority order 1, 2, 3, 4.


Job Work Center/Machine Hours Due Date   (days)



A/3, B/2, C/2




C/2, A/4




B/6, A/1, C/3




C/4, A/1, B/2


a) Using finite capacity scheduling, draw a Gantt chart for the schedule (Marks 1)

b) What is the makespan? (Marks 0.5)

c) How much machine idle time is there? (Marks 0.5)

d) How much idle time (waiting time) is there for each job? (Marks 0.5)

e) When is each job delivered? (Marks 0.5)

f) Which department is the bottleneck? (Marks 0.5)

g) Calculate the machine utilization? (Marks 0.5)


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