Which of the following is not true about the use of dummy activities in project networking?
A)They preserve the separate identities of activities.
B)They clarify precedence relationships among activities.
C)They have an activity time equal to zero.
D)They have an activity time variance equal to zero.
E)They are used in activities-on-nodes (AON)network diagrams.

Question

Quizplus · Accepted Answer

Dummy activities are used in activities-on-arrows (AOA) network diagrams, not in activities-on-nodes (AON) network diagrams. They are introduced in AOA diagrams to clarify the precedence relationships among activities without consuming resources or time.

Which of the Following Is Not True About the Use