PCC Resource Management & Optimization 1 — Questions and Answers
Question 1: What is the primary purpose of resource leveling in project controls?
- To reduce the total project duration by adding resources to critical activities
- To eliminate resource over-allocations by adjusting activity start and finish dates (Correct answer)
- To increase the number of resources assigned to critical path activities
- To maximize simultaneous utilization of all available resources
Correct answer: To eliminate resource over-allocations by adjusting activity start and finish dates
Resource leveling resolves over-allocations by shifting activity dates within available float so that resource demand does not exceed supply.
Question 2: A resource histogram is most commonly used to:
- Show the logical sequence of activities in a project network
- Track earned value performance against the cost baseline
- Visually display resource demand over time compared to available capacity (Correct answer)
- Document the skills and qualifications of project team members
Correct answer: Visually display resource demand over time compared to available capacity
A resource histogram graphically represents resource demand (bars) versus the availability limit line across the project timeline, making over-allocations immediately visible.
Question 3: What is the key difference between resource smoothing and resource leveling?
- Resource smoothing uses float to optimize resource usage without extending the project end date, while leveling may extend the project (Correct answer)
- Resource smoothing increases resource limits, while leveling decreases them
- Resource smoothing applies only to cost resources, while leveling applies to work resources
- Resource smoothing is used during planning only, while leveling is used during execution only
Correct answer: Resource smoothing uses float to optimize resource usage without extending the project end date, while leveling may extend the project
Resource smoothing optimizes resource usage within the schedule's float constraints and cannot extend the project end date, whereas resource leveling may extend the project end date to resolve conflicts.
Question 4: In a Resource Breakdown Structure (RBS), resources are typically organized by:
- Activity type and logical sequence
- Cost code and account number
- Category and type, such as labor, equipment, and materials (Correct answer)
- Project phase and work package
Correct answer: Category and type, such as labor, equipment, and materials
The RBS hierarchically decomposes resources by category and type, enabling systematic planning, tracking, and reporting of resource usage.
Question 5: Which scheduling outcome is most likely when resource constraints are applied to a project network?
- The CPM critical path remains unchanged regardless of resource limits
- A resource-constrained critical path emerges that may differ from the logic-only critical path (Correct answer)
- PERT estimates automatically adjust to reflect resource availability
- All finish-to-start relationships are converted to start-to-start relationships
Correct answer: A resource-constrained critical path emerges that may differ from the logic-only critical path
Applying resource constraints can shift activities beyond their float, creating a resource-constrained critical path (critical chain) that differs from the unconstrained CPM critical path.
Question 6: A project controls analyst finds that a key engineer is allocated at 150% capacity for three consecutive weeks. The BEST first step is to:
- Immediately hire a second engineer to share the workload
- Review available float on non-critical activities assigned to that engineer and redistribute work (Correct answer)
- Crash the schedule by adding resources to critical path activities
- Authorize the engineer to work overtime for all three weeks without further analysis
Correct answer: Review available float on non-critical activities assigned to that engineer and redistribute work
Reviewing float on non-critical activities allows schedule adjustments that resolve the over-allocation without incurring additional cost or scope changes.
Question 7: Resource loading is best defined as:
- The process of assigning cost codes to resource categories in the CBS
- The assignment and distribution of specific resource quantities to scheduled activities over time (Correct answer)
- The maximum number of resources available on any given project day
- The process of leveling peak resource demands across the project timeline
Correct answer: The assignment and distribution of specific resource quantities to scheduled activities over time
Resource loading assigns specific quantities of resources to activities and distributes that demand across the schedule timeline, forming the basis for histograms and cost forecasts.
PCC Resource Management & Optimization 1
What is the primary purpose of resource leveling in project controls?