Guru Gobind Singh Indraprastha Vishwavidyalaya 2010 B.B.A Production and operation management - Question Paper
(Please write your Exam. Roll No.) Exam. Roll No..........
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FIFTH SEMESTER (BBA), DECEMBER - 2010 | ||||||
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Section A
Q. 1. Operation Management is becoming a very important subject in business education in the last few decades. Explain the importance of Production and Operation Management and why it is an integral part of business education. State with example. (8+7)
Q. 2. (a) Discuss the various models of inventory system. Give examples
wherever appropriate. (8)
(b) Explain the relationship between quality and productivity under the
JIT philosophy. (7)
Q. 3. Describe the purposes and differences between P- chart and X bar and
R-chart. (15)
Q. 4. (a) How do facilities location differ for service and manufacturing
plants? (8)
(b) Discuss different types of layout formats and what kind of layout is
used in a physical fitness center? (7)
Q. 5. Write short notes on any three : (5x3=15)
(a) Types of Transformation
(b) Waiting line management
(c) Forecasting Technique
(d) Current manufacturing trends '
(e) Critical Path Method
Section B
Q. 6. There should be equal protection under the law against the crimes and so high-crime areas should have more police protection than low-crime areas. Therefore, police patrols and other methods for preventing crime should be used proportionately to crime occurrence.
The city has been broken down into 20 geographic areas, each containing 5000 residences. The 1000 residents sampled from each area showed the following incidences of crime during the past month.
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Area |
Number of crimes |
Sample size |
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1 |
14 |
1000 |
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2 |
3 |
1000 |
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3 |
19 |
1000 |
|
4 |
18 |
1000 |
|
5 |
14 |
1000 |
|
6 |
28 |
1000 |
|
7 |
10 |
1000 |
|
8 |
18 |
1000 |
|
9 |
12 |
1000 |
|
10 |
3 |
1000 |
|
11 |
20 |
1000 |
|
12 |
15 |
1000 |
|
13 |
12 |
1000 |
|
14 |
14 |
1000 |
|
15 |
10 |
1000 |
|
16 |
30 |
1000 |
|
17 |
4 |
1000 |
|
18 |
20 |
1000 |
|
19 |
6 |
1000 |
|
20 |
30 |
1000 |
Suggest a reallocation of crime protection effort based on P chart analysis.(lO)
To be reasonably certain in your recommendations, select a 95 percent confidence level (Z = 1-96). (5)
Q. 7. An auto manufacturing facility is being planned so that the parts manufactured can be supplied to three heavy automobile manufacturing facilities. The locations of the current plants with their coordinates and volume requirements are given in the following table :
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Plant Location |
Coordinates |
Volume (Parts per Year) |
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A |
300,320 |
4,000 |
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B |
375,470 |
6,000 |
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C |
470,180 |
3,000 |
(a) Calculate the coordinates of the new plant D, using center of gravity method. (10)
- C t - x coordinate for plant D
- C v - y coordinate for plant D
(b) Draw these coordinates on your answer sheet only. (5)
Q. 8. Resistors for electronic circuit are being manufactured on a high-speed automated machine. The machine is being set to produce a large run of resistors of 1000 ohms each. To set up the machine and to create a control chart, 15 samples were taken with four resistors in each sample.
The complete list of samples and their measured values are as follows :
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Sample Number |
Reading in ohms | |||
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1 |
1010 |
991 |
' 985 |
986 |
|
2 |
995 |
996 |
1009 |
994 |
|
3 |
990 |
1003 |
1015 |
1008 |
|
4 |
1015 |
1020 |
1009 |
998 |
|
5 |
1013 |
1019 |
1005 |
993 |
|
6 |
994 |
1001 |
994 |
1005 |
|
7 |
989 |
992 |
982 |
1020 |
|
8 |
1001 |
986 |
996 |
996 |
|
9 |
1006 |
989 |
996 |
996 |
|
10 |
992 |
1007 |
1006 |
979 |
|
11 |
996 |
1006 |
997 |
989 |
|
12 |
1019 |
996 |
991 |
1011 |
|
13 |
981 |
991 |
989 |
1003 |
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14 |
999 |
993 |
988 |
984 |
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15 |
1013 |
1002 |
1005 |
992 |
Develope an X bar chart and R - chart for the above data. Plot the graph on the copy only and draw your conclusion. Given (A2 = 0-73, D3 = 0 00, D4 = 2-28)
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Attachment: |
| Earning: Approval pending. |
