A company must perform a maintenance project consisting of seven activities.The activities, their predecessors, and their respective time estimates are presented here:
Using CPM, which activities have slack in this project?
A)A, B, C
B)B, D
C)Only C
D)C, E
E)F, G

Question

Quizplus · Accepted Answer

Slack is the amount of time an activity can be delayed without affecting the project completion time. Activities with slack are those that have total float or free float. Based on the CPM analysis, activities C and E have total float of 6 and 2, respectively, which means they have slack. The other activities have zero total float, which means they have no slack. Therefore, the correct answer is D.

A Company Must Perform a Maintenance Project Consisting of Seven