CCC Schedule Control & Earned Value Management Flashcards
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Read the first 6 CCC Schedule Control & Earned Value Management flashcards as text
Which critical path method (CPM) concept identifies the longest sequence of dependent activities that determines project duration?
Answer: Critical Path
The critical path is the longest sequence of tasks that determines the minimum project duration; any delay on it directly delays project completion.
A cost controller uses a 'Schedule Variance at Completion (SV%)' trending upward toward zero. This means:
Answer: The project is recovering its schedule slippage and moving toward on-time completion
An SV% trending toward zero from a negative position indicates schedule recovery as actual progress catches up to planned progress.
What is 'float' (slack) in project scheduling?
Answer: The amount of time an activity can be delayed without delaying the project's critical path or end date
Float is schedule flexibility — activities with positive float can be delayed or stretched within that window without impacting overall project completion.
In EVM, the To-Complete Performance Index (TCPI) measures:
Answer: The cost efficiency required on remaining work to meet the BAC or EAC target
TCPI = (BAC − EV) ÷ (BAC − AC); a TCPI above 1.0 means future work must be done more efficiently than past work to hit the target.
A project's CPI is 0.80. What does this mean for the cost controller?
Answer: For every dollar spent, only $0.80 of budgeted work has been accomplished — the project is over budget
CPI = EV/AC = 0.80 means cost efficiency is below 1.0, indicating the project is over budget relative to the work accomplished.
Which scheduling technique allows an activity to start before its predecessor is fully complete?
Answer: Fast-tracking with a Finish-to-Start lag or Start-to-Start relationship
Fast-tracking uses overlapping activities (often via Start-to-Start or partial predecessor completion) to compress the schedule without adding resources.