Production and Operations Analysis, Seventh Edition
7th Edition
ISBN: 9781478623069
Author: Steven Nahmias, Tava Lennon Olsen
Publisher: Waveland Press, Inc.
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Chapter 10.2, Problem 2P
A.
Summary Introduction
Interpretation: The change in the network and precedence constraint if all modules of the project are to be done inhouse is to be discussed.
Concept Introduction: Network diagram is a graphical representation of tasks and events happening in a project. It depicts the workflow and is used to compute the total duration of the project.
B.
Summary Introduction
Interpretation: The critical path of the project has to be computed and a new duration to be compared with that when a few activities are to be subcontracted.
Concept Introduction: Network diagram is a graphical representation of tasks and events happening in a project. It depicts the workflow and is used to compute the total duration of the project.
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You may need to use the appropriate technology to answer this question.
Mueller & Associates is a urban planning firm that is designing a new public park in an Omaha suburb. Coordination of the architect and subcontractors will require a major effort to meet the 43-week completion date requested by the owner. The Mueller project manager prepared the following project network.
A project network with 10 activities and 14 directed arcs is shown.
Activity Start is connected to activity A.
Activity A is connected to activity B, to activity C, and to activity D.
Activity B is connected to activity F.
Activity C is connected to activity E and to activity F.
Activity D is connected to activity E.
Activity E is connected to activity G and to activity Finish.
Activity F is connected to activity G and to activity H.
Activity G is connected to activity H.
Activity H is connected to activity Finish.
Activity Finish has no arcs directed to other activities.
Estimates of the optimistic, most…
You may need to use the appropriate technology to answer this question.
Mueller & Associates is a urban planning firm that is designing a new public park in an Omaha suburb. Coordination of the architect and subcontractors will require a major effort to meet the 43-week completion date requested by the owner. The Mueller project manager prepared the following project network.
A project network with 10 activities and 14 directed arcs is shown.
Activity Start is connected to activity A.
Activity A is connected to activity B, to activity C, and to activity D.
Activity B is connected to activity F.
Activity C is connected to activity E and to activity F.
Activity D is connected to activity E.
Activity E is connected to activity G and to activity Finish.
Activity F is connected to activity G and to activity H.
Activity G is connected to activity H.
Activity H is connected to activity Finish.
Activity Finish has no arcs directed to other activities.
Estimates of the optimistic, most…
27. Consider a project with six activities: G, B, C, D, E, and F. Assume G and F can be started as soon as the project is kicked off. B can start as soon as G is completed, C can start as soon as both G and F are completed. D will start as soon as both B and C are completed. E will start as soon as D finishes. Which of the following choices is the correct collection of immediate precedence relationships in the project network?
G--> B, F--> C, B --> D, C--> E, D--> E, F--> D
G--> B, G--> C, B --> D, C--> D, D--> E, F--> C
G--> B, G--> C, B --> D, C--> D, D--> E, D--> F
None of choices
G--> B, F--> C, B --> D, C--> D, D--> E, F--> D
G--> B, G--> C, B --> D, C--> D, D--> E, D--> F
Chapter 10 Solutions
Production and Operations Analysis, Seventh Edition
Ch. 10.2 - Prob. 1PCh. 10.2 - Prob. 2PCh. 10.2 - Prob. 3PCh. 10.2 - Prob. 4PCh. 10.2 - Prob. 5PCh. 10.2 - Prob. 6PCh. 10.3 - Prob. 7PCh. 10.3 - Prob. 8PCh. 10.3 - Prob. 9PCh. 10.3 - Prob. 10P
Ch. 10.4 - Prob. 11PCh. 10.4 - Prob. 12PCh. 10.4 - Prob. 13PCh. 10.4 - Prob. 14PCh. 10.4 - Prob. 15PCh. 10.4 - Prob. 16PCh. 10.5 - Prob. 17PCh. 10.5 - Prob. 18PCh. 10.5 - Prob. 19PCh. 10.5 - Prob. 20PCh. 10.5 - Prob. 21PCh. 10.6 - Prob. 22PCh. 10.6 - Prob. 23PCh. 10.6 - Prob. 24PCh. 10.6 - Prob. 25PCh. 10 - Prob. 26APCh. 10 - Prob. 27APCh. 10 - Prob. 28APCh. 10 - Prob. 29APCh. 10 - Prob. 30AP
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, operations-management and related others by exploring similar questions and additional content below.Similar questions
- 3.1 Draw an Activity-On-Arrow (AOA) network diagram representing the project. Put the nodenumbers in circles and draw arrows from node to node, labelling each arrow with theactivity letter and estimated duration. 3.2 Identify all the paths on the network diagram and note how long they are. 3.3 What is the critical path for this project and how long is it? 3.4 What is the shortest possible time needed to complete the project?arrow_forwardhow to solve this problem A and B? A.Find the critical path and the entire project completion time.B.Which task has the most slack time?arrow_forwardGiven the activities of a project; their optimistic (to), most likely (tm) and pessimistic (tp) time estimates; and their immediate predecessors shown below: a. Which activities are noncritical (can be delayed)?b. How long can each of the activities be delayed without delaying the whole project (maximum slack)? (Please have mercy please answer the two questions above. Thank you!)arrow_forward
- Which of the following questions regarding a project CANNOT beanswered even if the critical path of a project is known? A. How long can each of the activities be delayed without delaying the project?B. When is the earliest project completion time?C. Which activities should not be delayed?D. None of the abovearrow_forward. True/False Statements (Tick the correct option) Selection of the critical path in network activity diagram for any project, is always focused onresult of the minimum time duration of the critical activities [ True / False ] Suppose, we have total 03 activities in the project “X”; namely L, M and N respectively. An activity “M” is the immediate successor of the activity “L”, while the activity “M” is the immediate predecessor for the activity “N”. According to this scenario, an activity “M” will be the last activity of the project “X” in the network activity diagram [True / False ] The dummy activity consumes both time and resources [True / False ] Towards the optimal solution through stepping stone method, when degeneracy problem is occurred, the next step is to focus on searching lowest value on the independent position in a non-allocated cells [True / False ] Hungarian algorithm, first convert any given assignment matrix into row reduction matrix [True / Falsearrow_forwardWhich of the following questions regarding a project CANNOT be answered even if the critical path of a project is known? * A. How long can each of the activities be delayed without delaying the project? B.When is the earliest project completion time? C. Which activities should not be delayed? D. None of the abovearrow_forward
- A project's activities must be completed in the sequence indicated below. Activity Immediately Preceding Activity Duration in Weeks A - 3 B - 20 C - 15 D - 10 E - 5 F A 4 G D 3 H D, E 10 I F 3 J B 10 K G, H 7 L B, I 5 The project ends with the intersection of activities: C, J, K and L 1- Use CPM to construct (Draw) the project Network and find the critical path. 2- How long is the project expected to takearrow_forwardBased on the given set of activities answer the following: 1. Develop a precedence for each of the activity based on the information provided in the case. 2. Draw a network diagram and also calculate the forward and the backward pass for each of the activities. 3. Identify the paths as well as the critical path for the given project and also determine the slack time for each activity. Note: This question is related to Project Management Course.arrow_forwardFor each of the following network diagrams, determine both the critical path and the expected project duration. The numbers on the arrows represent expected activity times.a. AOA diagram b. AON diagram c. AOA diagram d. AON diagramarrow_forward
- Consider the AON graph of a project shown in Figure 19.17. Which of the following statements is correct? a. A1 is a predecessor activity to A2. b. A2 is a successor activity of A1. c. A3 and A5 can be carried out in parallel. d. All of these statements are correct. (PICTURE ADDED)arrow_forwardThree recent college graduates have formed a partnership and have opened an advertising firm.Their first project consists of activities listed in the following table.a. Draw the precedence diagram.b. What is the probability that the project can be completed in 24 days or less? In 21 days or less?c. Suppose it is now the end of the seventh day and that activities A and B have been completedwhile activity D is 50 percent completed. Time estimates for the completion of activity D are5, 6, and 7. Activities C and H are ready to begin. Determine the probability of finishing theproject by day 24 and the probability of finishing by day 21.TIME IN DAYSActivityImmediatePredecessor Optimistic Most Likely PessimisticA — 5 6 7B — 8 8 11C A 6 8 11D — 9 12 15E C 5 6 9F D 5 6 7G F 2 3 7H B 4 4 5I H 5 7 8End E, G, Id. The partners have decided that shortening the project by two days would be beneficial, as longas it doesn’t cost more than about $20,000. They have estimated the daily crashing costs for…arrow_forwardAssuming no other paths become critical, which activity should be the next activity crashed to cut a second day from the project's duration; how much is added to project cost? Assuming no other paths become critical, how much can this project be shortened at what total added cost?arrow_forward
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