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If there are n number of events in the networks diagram then the number of dual role event will be
- a)n - 1
- b)n + 1
- c)n - 2
- d)n + 2
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
If there are n number of events in the networks diagram then the numbe...
In any network, there can be only one initial and one final event then if there are n number of events in the networks diagram then the number of dual role event = n – initial event – final event
= n – 2
A few important definitions which are used in Project Management Techniques like CPM or PERT are specified below:
= n – 2
A few important definitions which are used in Project Management Techniques like CPM or PERT are specified below:
- Event: It is a stage that refers to a particular instant of time that indicates the starting or completion of an activity. The occurrence of an event neither requires time nor any other resources. Example: excavation started, beam cast is some events.
- Tail and End event: An event that marks the starting of an activity called tail event and an event that marks the completion of an activity called end event.
- Dual Role event: An event that acts as both tail and end event is called a dual role event.
- Activity: It is the actual performance of the task which requires resources like time and cost for its completion.
Most Upvoted Answer
If there are n number of events in the networks diagram then the numbe...
Calculation of Dual Role Events in Network Diagrams
In a network diagram, each event can have one or more predecessor events and one or more successor events. When an event has both a predecessor and a successor, it is considered a dual role event.
Formula for Calculating Dual Role Events
The total number of dual role events in a network diagram can be calculated using the formula:
Number of dual role events = Number of events - Number of links
Explanation
- In a network diagram, each event can have multiple links connecting it to other events.
- The number of links is always equal to the number of events minus one (n - 1).
- Therefore, the number of dual role events is equal to the number of events minus the number of links, which is n - (n - 1) = n - n + 1 = 1.
- So, the correct answer is option 'C' (n - 1), which indicates that the number of dual role events in a network diagram is always one less than the total number of events.
In a network diagram, each event can have one or more predecessor events and one or more successor events. When an event has both a predecessor and a successor, it is considered a dual role event.
Formula for Calculating Dual Role Events
The total number of dual role events in a network diagram can be calculated using the formula:
Number of dual role events = Number of events - Number of links
Explanation
- In a network diagram, each event can have multiple links connecting it to other events.
- The number of links is always equal to the number of events minus one (n - 1).
- Therefore, the number of dual role events is equal to the number of events minus the number of links, which is n - (n - 1) = n - n + 1 = 1.
- So, the correct answer is option 'C' (n - 1), which indicates that the number of dual role events in a network diagram is always one less than the total number of events.
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If there are n number of events in the networks diagram then the number of dual role event will bea)n - 1b)n + 1c)n - 2d)n + 2Correct answer is option 'C'. Can you explain this answer?
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If there are n number of events in the networks diagram then the number of dual role event will bea)n - 1b)n + 1c)n - 2d)n + 2Correct answer is option 'C'. Can you explain this answer? for Civil Engineering (CE) 2025 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about If there are n number of events in the networks diagram then the number of dual role event will bea)n - 1b)n + 1c)n - 2d)n + 2Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for If there are n number of events in the networks diagram then the number of dual role event will bea)n - 1b)n + 1c)n - 2d)n + 2Correct answer is option 'C'. Can you explain this answer?.
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