Operations Management Assignment-I

Total Marks: 100

Q: 1 Explain by an example how House of Quality is used by QFD team to convert customer requirements into design specifications of a product. (20 Marks)

Q: 2 Explain Service- System Design matrix and what are strategic uses of this matrix? (15

Marks)

Q: 3 Discuss basic Production Layout formats and also discuss their advantages and disadvantages. (15 Marks)

Q: 4 The desired daily output for an assembly line is 360 units. This assembly line will operate 450 minutes per day. The following table contains information on this product’s task times and precedence relationships:

Task Task Time (Seconds) Immediate PredecessorA 30 -B 35 AC 30 AD 35 BE 15 CF 65 CG 40 E,FH 25 D,G

a. Draw the precedence diagram.b. What is the workstation cycle time?c. Balance this line using the largest number of following tasks. Use the longest task

time as a secondary criterion.d. What is the efficiency of your line balance? (4 + 3 + 6 + 2) Marks

Q: 5 Explain how Factor-rating system is used to decide plant location and why it is widely used as a plant location method? (8 + 2) Marks

Q: 6 Cool Air, a manufacturer of automotive air conditioners, currently produces its XB-300 line at three different locations: Plant A, Plant B, and Plant C. Recently management decided to build all compressors, a major product component in a separate dedicated facility, Plant D.

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The locations of the current plants with their coordinates and compressor volume requirements are given in the following table: (10 Marks)

Plant Location Coordinates (x, y) Compressors required per year

Plant A 150, 75 6000Plant B 100, 300 8200Plant C 275, 380 7000

Use the centroid method to determine the best location for this new facility, Plant D.

Q: 7 Benny the Barber owns a one-chair shop. At Barber College, they told Benny that this customer would exhibit a Poisson arrival distribution and that he would provide an exponential service distribution. His market survey data indicate that customers arrive at a rate of two per hour. It will take Benny an average of 20 minutes to give a haircut. Based on these figures, find the following:

a. The average number of customers waiting.b. The average time a customer waits.c. The average time a customer is in the shop.d. The average utilization of Benny’s time. (4+4+4+3) Marks

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