PK0-005 Project Life Cycle Practice Question
In a network diagram, Activity B has a duration of 5 days. Its predecessor is Activity A (duration 3 days) with a finish-to-start relationship. Activity C (duration 4 days) has a start-to-start relationship with Activity B with a 2-day lag. What is the earliest day Activity C can start?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Day 6
Activity A finishes at day 3. Activity B starts at day 4 (FS+1? Actually FS means B starts after A finishes, so B starts day 4). With SS+2 lag, C can start 2 days after B starts, i.e., day 6.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Day 6
Why this is correct
Correct: A finishes day 3, B starts day 4, C starts 2 days after B start = day 6.
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Day 5
Why it's wrong here
Incorrect calculation.
- ✗
Day 7
Why it's wrong here
Incorrect.
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Day 8
Why it's wrong here
Incorrect.
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