Podcast
Questions and Answers
Which method involves attaching the activities and times to vertices, referred to as 'activity on node'?
Which method involves attaching the activities and times to vertices, referred to as 'activity on node'?
In the third diagram mentioned, what was introduced with no weight?
In the third diagram mentioned, what was introduced with no weight?
Which method involves attaching activities and times to edges and starting and finishing at a vertex, known as 'activity on arrow'?
Which method involves attaching activities and times to edges and starting and finishing at a vertex, known as 'activity on arrow'?
When constructing networks to model duration and interdependencies, what can students consider outsourcing while showering?
When constructing networks to model duration and interdependencies, what can students consider outsourcing while showering?
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What is the purpose of introducing a dummy activity X in the third diagram?
What is the purpose of introducing a dummy activity X in the third diagram?
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What concept is introduced by showing the shimap.org video?
What concept is introduced by showing the shimap.org video?
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In the context of travel routes between Australia and China, what does 'source' refer to in a network diagram?
In the context of travel routes between Australia and China, what does 'source' refer to in a network diagram?
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What does the 'maximum-flow minimum-cut' theorem help determine?
What does the 'maximum-flow minimum-cut' theorem help determine?
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How can students convert information presented in a table into a network diagram?
How can students convert information presented in a table into a network diagram?
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What does the teacher do to introduce network terminology using student diagrams?
What does the teacher do to introduce network terminology using student diagrams?
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'Sink' in a network diagram typically represents:
'Sink' in a network diagram typically represents:
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What is the critical path in a project network?
What is the critical path in a project network?
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When referring to Earliest Starting Time (EST), what does it represent?
When referring to Earliest Starting Time (EST), what does it represent?
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What is Float Time in a project network?
What is Float Time in a project network?
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How is Flow Capacity in a network determined?
How is Flow Capacity in a network determined?
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What does Latest Finish Time (LFT) indicate in project management?
What does Latest Finish Time (LFT) indicate in project management?
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Why is identifying and addressing students’ misconceptions important in teaching?
Why is identifying and addressing students’ misconceptions important in teaching?
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What is the purpose of forward scanning in critical path analysis?
What is the purpose of forward scanning in critical path analysis?
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In forward scanning, why is the start vertex assigned an EST of zero?
In forward scanning, why is the start vertex assigned an EST of zero?
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What does LFT stand for in backward scanning of critical path analysis?
What does LFT stand for in backward scanning of critical path analysis?
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When two or more paths join in forward scanning, what total is selected?
When two or more paths join in forward scanning, what total is selected?
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Which vertex must always have an LFT of zero in backward scanning?
Which vertex must always have an LFT of zero in backward scanning?
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What does EST represent in forward scanning of critical path analysis?
What does EST represent in forward scanning of critical path analysis?
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In finding a minimum cut, which type of edges will be included?
In finding a minimum cut, which type of edges will be included?
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Is it possible for saturated edges to exist that are not part of a minimum cut?
Is it possible for saturated edges to exist that are not part of a minimum cut?
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What does the teacher model in class regarding maximum flow and minimum cut?
What does the teacher model in class regarding maximum flow and minimum cut?
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What do students practice in the student activity related to networks?
What do students practice in the student activity related to networks?
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In which document can students find sample questions related to maximum flow and minimum cut?
In which document can students find sample questions related to maximum flow and minimum cut?
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Study Notes
Activity on Node and Activity on Arrow
- The 'Activity on Node' method involves attaching activities and times to vertices.
- The 'Activity on Arrow' method involves attaching activities and times to edges and starting and finishing at a vertex.
Network Diagram Construction
- When constructing networks, students can consider outsourcing tasks while showering, representing duration and interdependencies.
Network Diagram Elements
- In the third diagram, a dummy activity X is introduced with no weight.
- 'Source' in a network diagram refers to the starting point, typically Australia in the context of travel routes between Australia and China.
- 'Sink' in a network diagram typically represents the ending point.
Network Analysis
- The 'maximum-flow minimum-cut' theorem helps determine the maximum flow and minimum cut in a network.
- The critical path in a project network is the path with the longest duration.
Time in Project Management
- Earliest Starting Time (EST) represents the earliest time an activity can start.
- Float Time in a project network is the amount of time an activity can be delayed without affecting the overall project duration.
- Latest Finish Time (LFT) indicates the latest time an activity can finish.
Critical Path Analysis
- Forward scanning is used to find the earliest starting time of each activity in a project network.
- The start vertex is assigned an EST of zero in forward scanning.
- Backward scanning is used to find the latest finish time of each activity in a project network.
- LFT stands for Latest Finish Time in backward scanning.
- When two or more paths join in forward scanning, the maximum total is selected.
Minimum Cut
- When finding a minimum cut, only saturated edges will be included.
- It is possible for saturated edges to exist that are not part of a minimum cut.
Teaching and Practice
- The teacher models maximum flow and minimum cut in class.
- Students practice finding maximum flow and minimum cut in a student activity.
- Sample questions related to maximum flow and minimum cut can be found in a provided document.
- Identifying and addressing students' misconceptions is important in teaching.
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Description
Test your understanding of critical path analysis key terms and concepts, including forward and backward scanning techniques. Learn how to identify a critical path in a network by drawing activity charts and calculating the earliest start time (EST) for each activity.
