Explain Dummy Activity
Even though there may not be any actual activity between two events when relationships are being established, and network diagrams are being drawn, an event cannot be regarded to have occurred until and until another event has also occurred. On the network diagram, such instances are represented as dummy activities. Only when it is absolutely necessary are dummy activities employed. The following is a picture of how dummy activity is symbolized:
The dotted lines indicate the dummy activity, which is between the numbers 2 and 3.
What is Dummy activity? (A) Activity having zero duration (B) Activity shown by dotted line (C) Activity which shows dependency (D) All of the above
A dummy activity is a dotted-line activity with no duration that demonstrates independence. Dummy activities are used in the case of necessity. As per the Dummy activity characteristics, all of the above options is correct.