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AACE International Planning & Scheduling Professional (PSP) AACE-PSP Exam Questions
Question 1
Total float is defined as the amount of time an activity can be delayed without impacting
Answer : A
Scheduling Professional Study Guide and Documents Reference: Total float is the amount of time an activity can be delayed without delaying the project's overall completion date.
Option B (buoyancy) and Option D (end of that activity) are irrelevant.
Option C refers to free float, not total float.
This definition is fundamental in critical path analysis.
Question 2
Activity 1001 started on the scheduled date but has slipped 10 days. Activity 10002 will slip 35 days. All remaining activities retain their original duration. What is the revised completion date?
Answer : B
Original Completion Date (Normal Schedule):
Project completion is originally set for 03-01-04 (based on all durations and dependencies).
Slippage Details:
Activity 1001: Slipped by 10 days.
Activity 10002: Slipped by 35 days.
Remaining activities retain original durations.
Revised Completion Date Calculation:
Adjust original completion date for the cumulative slippage of 35 days (largest impact).
New completion date = 03-01-04 + 10 days = 03-11-04.
Cross-Verification with Answer Options:
Option A (02-19-04): Incorrect. Ignores slippage.
Option B (03-21-04): Incorrect. Overestimates slippage impact.
Option D (03-20-04): Incorrect. Does not align with the logical sequence.
Option C (03-11-04): Correct. Matches adjusted completion date.
PSP Study Guide (2019), Section 2A -- Schedule Development, Subsections on Forward and Backward Pass Calculations.
AACE Recommended Practices, RP 10S-90.
Question 3
Determine the correct formula and date for the late finish for Activity 9004.
Answer : D
Analyze the Data and Logic:
Activity 9004 ('Valve House Embankment'): This activity has a direct Finish-to-Start (FS) relationship with Activity 10002, with a lag of 7 days.
Late Start (LS) and Late Finish (LF): In backward pass calculations, the late finish of the successor activity is adjusted for lag and task duration to determine the late start of the predecessor activity.
Formula for Late Finish (LF):
The Late Finish of Activity 9004 is derived by taking the Late Start (LS) of Activity 10002, subtracting the lag of 7 days, and subtracting 1 day to calculate the exact finish date.
Correct Date Calculation:
Given the Late Start (LS) of Activity 10002:
LS.10002 = 11-28-03.
Apply the formula: LF.9004 = LS.10002 - Lag.7 - 1 day = 11-28-03 - 7 days - 1 day = 11-20-03.
Cross-Verification with Answer Options:
Option A: Incorrect. Misrepresents the formula.
Option B: Incorrect. Incorrect application of logic and lag adjustments.
Option C: Incorrect. Omits the correct lag consideration.
Option D: Correct. Matches both formula and calculated date.
Question 4
Assumptions made during the planning stage should be_____________.
Answer : B
Assumptions in Planning:
Assumptions are placeholders until verified facts are available. Replacing them enhances schedule reliability and accuracy.
Evaluation of Other Options:
A: Shifting risks is not a proactive solution.
C: Sole reliance on experience without verification is risky.
D: Internal memos clarify assumptions but do not replace facts.
Verification with PSP Guidelines: PSP emphasizes validating assumptions during the planning phase (Ref: PSP Study Guide, Chapter 1B: Planning Fundamentals).
Question 5
What project cost elements would NOT normally be reflected in the Activity 1000?
Answer : A
Activity-specific costs in CPM schedules typically include direct expenses like materials (C), field-related overhead (D), and specific schedule management tasks (B).
Home office expenses are classified as indirect costs and are not associated with any specific activity within the project schedule. They are accounted for in broader financial statements rather than in the activity-based budget.
Reference: PSP Study Guide, Section 1.3.10 -- Cost Estimate Development, explains how costs are categorized and assigned in schedules.
Question 6
What is the actual duration as of the status date or data date of Activity B?
Answer : A
Understand Activity B's Status:
Activity B has an original duration of 5 days.
As of the data date/status date, the diagram shows progress beyond 5 days.
Review Actual Duration:
The progress bar indicates that 7 days have already been worked on Activity B.
Actual duration as of the status date = 7 days.
Cross-Verification:
Option B: Incorrect. Progress exceeds 3 days.
Option C: Incorrect. Progress is not 0 days.
Option D: Incorrect. Progress is more than 4 days.
Option A: Correct. Matches the observed progress on the diagram.
PSP Study Guide (2019), Section on Network Diagrams and Status Updates.
AACE Recommended Practices, RP 10S-90.
Question 7
The congested site only has room for 3 cranes to operate concurrently. Only 1.75 cubic yard ICY] or1.34 cubic meter [CM] concrete buckets are available. Each crane can perform up to 35 lifts per day. Assuming a total of 30 lifts per crane pet day. what is the maximum volume of concrete that could be placed using 3 small tower cranes over a 5-day period?
Answer : D
Each crane can perform 30 lifts per day with a 1.75 cubic yard bucket. For 3 cranes over 5 days: Concretevolumeperday=3cranes30lifts/crane/day1.75CY/lift.\text{Concrete volume per day} = 3 \text{ cranes} \times 30 \text{ lifts/crane/day} \times 1.75 \text{ CY/lift}.Concretevolumeperday=3cranes30lifts/crane/day1.75CY/lift. Dailyvolume=157.5CY/day.\text{Daily volume} = 157.5 \text{ CY/day}.Dailyvolume=157.5CY/day. Over 5 days: Totalvolume=157.55=306CY.\text{Total volume} = 157.5 \times 5 = 306 \text{ CY}.Totalvolume=157.55=306CY.
Reference: PSP Study Guide, Section 1.3.7 -- Resource Calculations, demonstrates how crane capacity and lift productivity are incorporated into project planning.
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