A task requires 16 hours of effort. Depending on how the work can be divided and the people available, it might take one or two working days. Which quantity describes the task's duration?
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A team must complete a product design before it can begin building the product. Which dependency relationship describes this sequence?
- A
The successor must finish before the predecessor can start
- B
The activities must start at the same time
- C
The successor cannot start until the predecessor finishes
- D
The successor must finish at the same time as the predecessor
A forecast shows that a project milestone will be late. What should the team do before changing the approved schedule baseline?
- A
Replace the original planned dates as soon as a forecast delay appears
- B
Obtain approval through the agreed change-control process before revising the baseline
- C
Revise the baseline whenever an activity's remaining duration changes
- D
Keep the baseline unchanged but report the revised dates as the approved plan
When assessing a proposed schedule change, why should the team examine near-critical paths as well as the current critical path?
- A
Whether the change alters the activity names
- B
Whether all activities can be assigned the same duration
- C
Whether a near-critical path could become critical
- D
Whether the baseline can be replaced without recording a decision
A team is checking the dependency logic for a project schedule. Which actions are appropriate? Select all that apply.
- A
Link an activity to an approval it must receive before proceeding
- B
Represent a required delivery that must arrive before an activity can begin
- C
Add a dependency between unrelated activities simply to make the schedule look more orderly
- D
Allow independent work to proceed in parallel when the logic permits
A change request may shorten one activity but add overtime and overlap with another task. Which effects should the team assess before deciding? Select all that apply.
- A
The effect on the project finish date
- B
Whether the revised dates can be entered without an assessment
- C
Effects on resources, cost, and risks
- D
Effects on deliverables and the critical path
Under the modeled schedule logic and constraints, an activity with total float can slip by that amount without delaying the calculated project finish.
- A
True
- B
False
Adding people to an activity always shortens its duration.
- A
True
- B
False
A three-point estimate has an optimistic duration of 2 working days, a most likely duration of 5 working days, and a pessimistic duration of 8 working days. Using E=6O+4M+P, what is the expected duration?
A finish-to-start network begins with activity A, which takes 2 working days. After A, activities B and C can proceed in parallel; B takes 3 working days and C takes 5 working days. Activity D takes 2 working days and can start only after both B and C finish. What is the earliest project completion time?
The amount of time an activity can slip without delaying the calculated project finish is its .
In a simple finish-to-start network, an activity with multiple predecessors takes the earliest finish among them as its earliest start.
A team proposes using a lead or lag to adjust the timing between two dependent activities. Explain what a lead and a lag represent, and state when they should be used.
True or false: A delay to an activity on the critical path can delay the project finish unless effective action is taken.
- A
True
- B
False
A task requires 16 hours of work. One person is available for eight hours per working day, and the task cannot be divided between people. What is its expected duration?
- A
2 working days
- B
1 working day
- C
16 working days
- D
2 calendar days
Activity A must finish before either design or procurement begins. The materials are standard, and procurement does not depend on the design. How should the schedule represent the work after A?
- A
Start both after A is complete.
- B
Wait until design is complete before starting procurement.
- C
Start procurement before A is complete, even though A is its predecessor.
- D
Make procurement a successor to the prototype build.
A network calculation gives a project finish date, but a specialist needed for several activities is available only on certain days. What should the planner do before treating the calculated dates as an executable schedule?
- A
Treat the calculated dates as executable because the network logic is valid.
- B
Remove dependencies until the dates fit the available resources.
- C
Check the schedule against resource availability and calendars.
- D
Change the baseline immediately to match the calculated dates.
What is a useful purpose of schedule risk analysis when activity durations and other schedule assumptions are uncertain?
- A
Prove that the baseline finish date cannot change.
- B
Assess completion-date uncertainty and identify activities that may become critical under different scenarios.
- C
Replace all duration estimates with their optimistic values.
- D
Remove near-critical paths from the schedule.
For an activity, the optimistic duration is 3 working days, the most likely duration is 5 working days, and the pessimistic duration is 9 working days. Using the weighted estimate (O+4M+P)/6, what is the expected duration, rounded to the nearest tenth?
What is the name for the approved schedule preserved as the reference for comparing progress and evaluating proposed changes?
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