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 6P
A.
Summary Introduction
Interpretation: A network diagram depicting the work flow of the project is to be drawn.
Concept Introduction: Network diagram is a graphical representation of tasks and events happening in a project. It depicts the work flow and is used to compute the total duration of the project.
B.
Summary Introduction
Interpretation: The critical path is to be identified by computing the earliest and the latest start and finish times.
Concept Introduction: Network diagram is a graphical representation of tasks and events happening in a project. It depicts the work flow and is used to compute the total duration of the project.
C.
Summary Introduction
Interpretation: A Gantt chart of the
Concept Introduction:Gantt chart is a project management tool that is a type of bar chart. It depicts the project schedule and is used for resource allocation.
D.
Summary Introduction
Interpretation: The group of activities that have to be completed by day 60 so as to ensure that the project will be completed without any delay is to be identified.
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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Consider the following project network. Assume that the time required (in weeks) for each activity is a predictable constant and that it is given by the number along the corresponding branch. Find the earliest time, latest time, and slack for each event. Also identify the critical path.
A project consisting of eight activities satisfies the following precedence constraints:
a. Construct a network for this project. (You should need only one pseudoactivity.)b. Compute the earliest and the latest starting and finishing times for each activity and identify the critical path.c. Draw a Gantt chart of the schedule for this project based on earliest starting times.
Consider the following project network. Assume that the time required (in weeks) for each activity is a predictable constant and that it is given by the number along the corresponding branch. Find the earliest time, latest time, and slack for each event. Also identify the critical path
Use PERT and CPM
Provide table for ACTIVITY, IMMEDIATE PREDECESSOR, DURATION, , TOTAL FLOAT, FREE FLOAT
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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- You have to manage a project with activities and their respective durations as listed in the table below. Draw a network diagram, Calculate the forward, backward pass, total slack, free slack and identify the critical path.arrow_forwardConsider the following project network. Activities are denoted with letters (A, B, C, D, E, F…) and activity completion times are in weeks. Determine the critical path.arrow_forwardThis section explains project scheduling strategies such as the WBS, Activity Definition, and Activity Sequencing (AS) (AS). Define and describe in accordance with the instructions.arrow_forward
- A project consists of the activities in the following list. Times are given in weeks. Activity Preceding Time A -- 8 B -- 4 C A, B 7 D A, B 3 E C, D 5 F C, D 6 G E, F 4 Draw the project network diagram. Calculate each activity's ES, EF, LS, LF, and Slack using the project activity nodes on the project network diagram. What is the project completion time? Identify the critical patharrow_forwardConsider the following activity information and the constraint that the project must be completed in 16 weeks. (refer to the first pic) In addition, activities c, f, h, and i may be crashed as follows. Assume partial crashing. (refer to the second pic) Question : Find the best schedule and its costarrow_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_forward
- Draw the project network diagram using activity on node (AON) for the following schedule. Also determine and provide the critical path and duration for the critical path.arrow_forwardA project consists of the activities in the following table. Times are given in weeks Draw the network diagram Calculate the ES, EF, LS, LF, and slack for each activity What is this project completion time?arrow_forwardBelow is a network diagram that represents a university revamp project. The project manager analyzes this project using the critical path (CP) method. Activity durations are indicated on the networkarrow_forward
- A new project is to be completed. The following activities need to be completed in the order shown, where times are in weeks.A new project is to be completed. The following activities need to be completed in the order shown, where times are in weeks. (attached) You must use two decimal places at all times for expected times when they are not integer(a) Draw the activity network for this problem (b) Determine the Expected Times. (c) Determine the activity schedule (ES, EF, LS, and LF) as well as slack.(d) Determine and state the critical path for this project. (e) What are the expected time and the variance of the project? (f) What is the probability that the project is completed in 22 or fewer weeks. (g) What date should be set such that there is a 94% chance of completion within that time?arrow_forwardThe activities of a project, their normal and shortest completion times in days, their respective completion costs in euros, and the constraints on their execution sequence are presented in the table below. Questions: A) To build the network that graphically illustrates the project. B) To find the shortest and slowest start and end times. C) Find the critical path and calculate the total cost. D) To consider the case of reducing the total duration of the project by 1 day at the lowest possible cost.arrow_forwardThe activities in the following table describe the construction of a new house. Construct the associated project network ACTIVITY PREDECESSORS DURATION (WEEKS) a Create a spreadsheet to calculate and summarize the earliest and latest start and finish times, the slack for each activity, and the critical activities. (USING EXCEL ONLY, Vlookup, ISERR etc functions) b. Make a gantt chart.arrow_forward
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