Question 5. Consider the following list of activities and predecessors. Activity Immediate Predecessor A B ...
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Question 5. Consider the following list of activities and predecessors. Activity Immediate Predecessor A B с D E F G A B B B E C, F Duration Crashing cost (days) per day 10 00 5 8 10 64665 3 30 15 20 40 20 30 40 Max possible reduction in duration 23 2 3 1223 1 (a) Draw a project network, determine the critical path and project duration (without considering crashing). (b) Which activities can be delayed without delaying the entire project? (c) Suppose that by hiring additional workers, the duration of each activity can be reduced. The costs per day of reducing the duration of activities are given in the table above. Write down the LP that minimizes the total cost of completing the project within 20 days. Question 5. Consider the following list of activities and predecessors. Activity Immediate Predecessor A B с D E F G A B B B E C, F Duration Crashing cost (days) per day 10 00 5 8 10 64665 3 30 15 20 40 20 30 40 Max possible reduction in duration 23 2 3 1223 1 (a) Draw a project network, determine the critical path and project duration (without considering crashing). (b) Which activities can be delayed without delaying the entire project? (c) Suppose that by hiring additional workers, the duration of each activity can be reduced. The costs per day of reducing the duration of activities are given in the table above. Write down the LP that minimizes the total cost of completing the project within 20 days.
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Answer a Project network diagram A 5 days B 8 days C 10 days D 5 days E 4 days F 6 days G 3 days Cri... View the full answer
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