Gantt charts, resource histograms and levelling Quiz
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5 questions, one answer each
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1. An activity has earliest start 6, duration 3 and latest finish 15. What is its float?
- A. 3
- B. 12
- C. 9
- D. 6
2. In a resource histogram, what does the height of a bar represent?
- A. The duration of an activity
- B. The float of an activity
- C. The number of workers needed in that period
- D. The earliest start time
3. Which activities can be delayed to level resources without lengthening the project?
- A. Critical activities
- B. Non-critical activities, within their floats
- C. Any activity with the most workers
- D. Only the first activity
4. Total duration of the activities is 30 days and the minimum completion time is 12 days. What is the lower bound for the number of workers (one per activity)?
- A. 3
- B. 2
- C. 4
- D. 6
5. Activities need 2 workers for 3 days, 4 workers for 2 days and 1 worker for 5 days. How many worker-days in total?
- A. 10
- B. 24
- C. 19
- D. 15