The Operations Manager of a Body and Paint Shop Has

question 100

Essay

The operations manager of a body and paint shop has five cars to schedule for repair.He would like to minimize the throughput time (makespan)to complete all work on these cars.Each car requires body work prior to painting.The estimates of the times required to do the body and paint work on each are as follows:
a.Chart the progress of these five jobs through the two centres on the basis of the arbitrary order
A→B→C→D→E.
b.After how many hours will all jobs be completed?
c.Use Johnson's rule to sequence these five jobs for minimum total duration.Show your work in
determining the job sequence.
d.The optimal sequence is ________.
e.Chart the progress of the five jobs in this optimal sequence.
f.After how many hours will all jobs be completed?

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Definitions:

Equivalent Units

A method used in process costing to convert partially completed goods into a comparable number of fully completed units.

Conversion Costs

Costs incurred to convert raw materials into finished products, often including labor and overhead.

First-In, First-Out Method

An inventory valuation method which assumes that the first items placed in inventory are the first sold.

Ending Work

Refers to the final processes or activities completed on a project or product before it is considered to be finished.