PMI-SP Critical Path Method 3

Question 1

In a Finish-to-Start relationship with a lag of 3 days, if the predecessor finishes on day 10, when is the earliest the successor can start?

Accepted Answer

Day 13

Answer

With a 3-day lag on a Finish-to-Start relationship, the successor starts 3 days after the predecessor finishes: day 10 + 3 = day 13.

Question 2

A project manager wants to overlap two sequential activities to compress the schedule. Which technique does this represent?

Accepted Answer

Fast tracking

Answer

Fast tracking overlaps activities that were originally planned sequentially, introducing potential rework risk.

Question 3

Which float value measures the amount of time an activity can be delayed without delaying the project finish date?

Accepted Answer

Total float

Answer

Total float (also called slack) measures the delay allowed before impacting the project's overall completion date.

Question 4

An activity on the critical path shows negative float of -3 days. What does this indicate?

Accepted Answer

The project cannot finish on time without corrective action

Answer

Negative float means the current schedule will not meet the imposed deadline without compression or scope changes.

Question 5

In CPM network analysis, what is the purpose of the backward pass calculation?

Accepted Answer

To calculate Late Start and Late Finish dates

Answer

The backward pass starts from the project end date and works backward to determine the Late Start and Late Finish for each activity.

(PMI-SP) PMI Scheduling Professional Practice Test