engineering recuitment GATE ME 2023-24 Test Series Industrial Engineering Operations Research PERT and CPM
For a project, the detailed activities with duration and cost is shown in the table.
It is also given that indirect cost is Rs. 900 per day
|
Activity |
Normal |
Crash |
\(\frac{{\Delta C}}{{\Delta T}}\) |
||
|
Time (day) |
Cost (Rs) |
Time (day) |
Cost (Rs) |
||
|
1-2 |
3 |
500 |
2 |
1000 |
500 |
|
1-3 |
2 |
750 |
1 |
1500 |
750 |
|
1-4 |
6 |
1400 |
4 |
2600 |
600 |
|
2-4 |
5 |
1000 |
3 |
1800 |
400 |
|
2-5 |
7 |
1150 |
6 |
1450 |
300 |
|
3-4 |
2 |
800 |
2 |
800 |
0 |
|
4-5 |
4 |
1000 |
2 |
2400 |
700 |
1
The optimum time to complete the project after crashing = 10 days
2
Total cost of the project = Rs. 16400
3
The optimum time to complete the project after crashing = 9 days
4
Total cost of the project = Rs. 16500