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(Following Paper ID and Roll No. to be filled in your Answer Books)
Paper ID: 140860
Roll No.
B. TECH.
Theory Examination (Semester-VIII) 2015-16
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PRODUCTION AND OPERATIONS MANAGEMENT
Time: 3 Hours
Max. Marks: 100
Section-A
1. Attempt all parts. All parts carry equal marks. Write answer of each part in short. (2×10=20)
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- Explain the concept of five P's.
- What do you understand by operations strategy?
- What is the role of standardization in product design?
- Discuss the concept of service capacity.
- Explain earliest start and finish times.
- What are free float and independent float?
- What do you understand by operations management? Also discuss its scope.
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Section-B
2. Attempt any five questions from this section. (10×5=50)
- What do you understand by product design? Discuss various steps involved in product design process.
- What are different strategies for service capacity planning? Also discuss various approaches for designing service processes.
- What do you mean by facility location? What are different factors involved in facility location planning?
- What is facility layout? Discuss different types of facility layouts.
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Section-C
Note: Attempt any two questions from this section. (15×2=30)
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3. (a) A limited company is planning to start a new factory for manufacturing steel utensils. It is considering three locations, namely, Bokaro, Jamshedpur and Bhilai. The fixed costs at the three locations have been estimated at Rs. 8.15 million, Rs 7.377 million and Rs 7.903 million respectively. The variable costs at the three locations are estimated at Rs 500 per unit, Rs 580 per unit and Rs 490 per unit respectively. The factory will have an annual production capacity of 10,000 steel utensils.
4. The following jobs have to be processed through three machines namely i, j, k. The time (in hours) required on each machine is given below:
| Job | Machine i | Machine j | Machine k |
|---|---|---|---|
| 1 | 3 | 4 | 6 |
| 2 | 8 | 5 | 11 |
| 3 | 7 | 1 | 5 |
| 4 | 4 | 2 | 12 |
| 5 | 9 | 3 | 8 |
| 6 | 1 | 6 | 2 |
Obtain optimal sequence of jobs as well as total elapsed time, and idle time for the three operations.
5. A project consists of a series of tasks labelled A, B, ...I, with the following relationships (W < X, Y means X and Y cannot start until W is completed); and with the following time estimates:
| Task | Optimistic Time | Most Likely Time | Pessimistic Time |
|---|---|---|---|
| A | 1 | 4 | 7 |
| B | 1 | 1 | 1 |
| C | 2 | 5 | 14 |
| D | 2 | 2 | 8 |
| E | 1 | 1 | 1 |
| F | 2 | 5 | 8 |
| G | 3 | 6 | 15 |
| H | 1 | 2 | 3 |
| I | 4 | 9 | 4 |
Now: (i) Draw the network. (ii) Calculate the expected variances. (iii) Find the expected project completion time.
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6.
- What are symptoms of a bad layout?
- What do you understand by principles of motion economy? Discuss.
- What are different activities involved in operations scheduling process?
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