Material Management

1. What is wealth, and how is it created? What is value added, and how is it achieved? Explain with examples?

2. What is a material requirements plan? What is the difference between dependent and independent demand? Explain with examples.

3. Problem:
Complete the following table. Lead time for the part is two weeks. The lot size is 100. What is the projected available at the end of week 3? When is it planned to release an order?

Gross requirements Scheduled receipts Projected available – 40 Net requirements Planned order receipts Planned order release2065 1004025

4. What is capacity planning? What are the responsibilities of capacity management?           Describe the steps in capacity planning? Explain with examples?

5. What is the responsibility of production activity control? What are the major functions of planning, implementation & control? Explain with examples?

6. Problem:

An order for 50 of a product is processed on world centers A and B. The setup time on A in 60 minutes, and run time is 5 minutes per piece. The setup time on B is 30 minutes and the run time is 6 minutes per piece. Wait time between the two operations is 10 houses. The move time between A and B is 60 Minutes. Wait time after operations is 10 houses. The move time into stores is 2 houses. The move time into stores is 2 hours. Queue at work center A is 40 hours and at B is 35 hours. Calculate the total manufacturing lead time for the order. And also calculate the total manufacturing lead time for the order.

7. What is period order quantity? How is it established? When can it be used? Explain with examples?

Also define     1) Annual ordering cost.
2) Annual Carrying cost.
3)Total annual cost.

With some examples?

8. Problem:

The standard deviation of demand during the lead time is 100 units.

a) Calculate the safety stock required to increase the service levels from 75% to 80%, 85% to 90%, 90% to 99.99% ? What conclusion do you reach.

b) Calculate the change in safety stock required for the following service levels: 75%, 80%, 85%, 90%, 95%, and 99.99%

9. What are the five basic modes of transportation? What are the three physical elements in the transportation system? For each of the five modes, describe who provides them and how they are funded. Also describe why train services are cheaper than road transport for bulky items and why trucks provide a fast flexible service.

10. What is valve to the user? How is it related to quality? What are the elements of product cycle loop? For what is each responsible? Prepare a situation in which the above terms can be easily explained an illustrated.

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