Which of the following is not true in respect of the steps involved in PERT/CPM technique ?

Time estimates are prepared for each activity. The shortest path in the network is identified as the critical path.

The steps involved in using PERT/ CPM are as follows:

 1. The project is divided into a number of clearly identifiable activities which are then arranged in a logical sequence.

2. A network diagram is prepared to show the sequence of activities, the starting point and the termination point of the project.

3. Time estimates are prepared for each activity. PERT requires the preparation of three time estimates – optimistic (or shortest time), pessimistic (or longest time) and most likely time. In CPM only one time estimate is prepared. In addition, CPM also requires making cost estimates for completion of project.

 4. The longest path in the network is identified as the critical path. It represents the sequence of those activities which are important for timely completion of the project and where no delays can be allowed without delaying the entire project.

 5. If required, the plan is modified so that execution and timely completion of project is under control.