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AACE International AACE-PSP Exam Questions
- Topic 1: Basic Planning & Scheduling Knowledge: Fundamental planning and scheduling concepts, terminology, and techniques are sub-topics of this topic. It also discusses sub-topics related to project life cycles, work breakdown structures (WBS), and scheduling methods.
- Topic 2: Practical Exercise: It evaluates your competence in applying planning and scheduling knowledge to real-world scenarios. Questions about identifying critical paths, calculating float, analyzing project schedules, and developing project recovery plans may appear.
- Topic 3: Planning & Scheduling Applications: In this topic, questions about planning and scheduling in different project environments appear.
- Topic 4: Communication: This domain tests your ability of communicating crucial information such as planning and scheduling clearly and concisely. You may have to write a memo assignment on a given scenario.
Free AACE International AACE-PSP Exam Actual Questions
Note: Premium Questions for AACE-PSP were last updated On Apr. 08, 2026 (see below)
Theoretically construct a summary activity for activities 6001 through 6003. Identify the governing predecessor and successor activities for the hammock:
Definition of a Summary Activity (Hammock): A summary activity, also referred to as a hammock activity, spans multiple detailed tasks and is governed by the earliest start (ES) of the first task and the latest finish (LF) of the last task.
Activities 6001 through 6003 Overview:
6001: Starts after 5001 (Drill and Grout Dam Site).
6003: Ends before 8001 (Rock Fill to elevation 50).
Identifying Predecessor and Successor:
Predecessor: Activity 5001 (Drill and Grout Dam Site).
Successor: Activity 8001 (Rock Fill to elevation 50).
Cross-Verification:
Logical and temporal dependencies confirm that Activity 5001 must precede the hammock, and Activity 8001 must succeed it (Ref: PSP Study Guide, Chapter 2A: Logical Sequencing and Activity Relationships
These are the activities on the critical path:
Critical Path Identification:
The critical path is the longest sequence of activities that determines the project's minimum duration.
Path: A B G H.
Exclusion of Other Options:
Paths involving F, J, or non-critical activities do not align with the longest duration.
Verification with PSP Guidelines: The PSP Study Guide emphasizes identifying the critical path for schedule optimization (Ref: PSP Study Guide, Chapter 2A: Critical Path Analysis)
What is the free float for Activity F?
Understand Free Float: Free float is the time an activity can be delayed without delaying the start of its immediate successor.
Review Activity F in the Diagram:
Activity F has a successor that starts later, providing room for 2 months of free float.
Cross-Verification:
Option A: Incorrect. Overestimates the float.
Option B: Incorrect. No float is incorrect for F.
Option C: Incorrect. 1 month is insufficient.
Option D: Correct. Matches the calculated free float for Activity F.
Using the "normal" schedule, given Activity 3001 and the relationship with Activity 4001, what is indicated?
Analyze the Relationship Details: The table shows that Activity 3001 ('Excavation, Dam Site') and Activity 4001 ('Excavation, Spillway') have a Start-to-Start (SS) relationship with a lag of 15 days. A Start-to-Start relationship indicates that the successor activity (4001) can only start after a specified lag period once the predecessor activity (3001) begins.
Understand the Concept of Lag: In scheduling terminology, lag refers to a delay or waiting period between the start (or finish) of one activity and the start (or finish) of a dependent activity. Here, the 15-day lag means that Activity 4001 will commence 15 days after Activity 3001 has started.
Interpret the Relationship: The SS relationship combined with a lag indicates that the two activities (3001 and 4001) are not starting exactly at the same time but are still overlapping or concurrent. This concurrency happens after the lag period elapses.
Verify PSP Study Guide and Relevant Terminology: According to AACE International's Recommended Practices and the PSP Certification Study Guide:
Start-to-Start relationships are widely used to model overlapping work in schedules where one activity can start before its predecessor is fully complete (PSP Study Guide, Chapter on Scheduling Relationships and Constraints).
Lags provide flexibility to model realistic conditions where tasks start partially overlapping or with delays (PSP Study Guide, Section 2.2.4 Relationships).
Cross-Check the Answer Options:
Option A (Correct): Matches the described logic -- 'These activities are concurrent with Activity 4001 starting 15 days after the start of Activity 3001.'
Option B: Incorrect -- Lag is applied to the successor activity, meaning 4001 cannot start earlier than 3001.
Option C: Incorrect -- This relationship (SS with a lag) indicates concurrency, not series.
Option D: Incorrect -- Though concurrent, the lag makes the start times offset by 15 days, so they do not start at the same time.
PSP Study Guide (2019), Chapter 2A -- Schedule Development, Section 2.2.4 -- Relationships.
AACE International Recommended Practices, RP 10S-90, 'Cost Engineering Terminology.'
Total Cost Management Framework, Concepts of Activity Relationships and Scheduling Dependencies.
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