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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 Feb. 19, 2026 (see below)
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.
The amount of time that an activity can be delayed from its early start date without delaying project completion is called:
The time an activity can be delayed from its early start without impacting the overall project completion date is called total float.
Option A (negative float) refers to delays beyond permissible limits.
Option B (free float) refers to delays without affecting the early start of any successor.
Option D (interfering float) is a lesser-used term denoting the time available without delaying the project completion but affecting a successor's float.
Using the normal schedule, given Activity 3001 and the relationship with Activity 4001. what is indicated?
Relationship Analysis:
Activity 4001 starts 15 days after Activity 3001 begins, based on their logical dependency (SS +15).
This indicates partial concurrency, as both activities overlap in execution.
Evaluation of Other Options:
A: Incorrect, as the statement refers to Activity 5001, not 3001.
C: Incorrect, as Activity 4001 does not start before Activity 3001.
Verification with PSP Guidelines: PSP guidelines stress precise interpretation of activity relationships (Ref: PSP Study Guide, Chapter 2A: Logical Relationships and Lags).
Each of the following accurately describes total float in a schedule EXCEPT:
Total float measures the flexibility in an activity's timing within a schedule. It is defined as the amount of time an activity can be delayed without affecting the project's overall completion date or the completion date of any of its successors.
Option A, B, and D accurately describe total float: it is calculated as the difference between early and late start/finish dates, can be positive or negative, and is associated with project completion.
Option C describes free float, not total float, and thus is incorrect.
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