14. A project has three paths. A-B-C has a length of 25 days. A-D-C has a length

Question

14. A project has three paths. A-B-C has a length of 25 days. A-D-C has a length of 15 days. Finally, A-E C has a length of 20 days. Which one of the following statements is TRUE? A) A-D-C is the critical path B) A-B-C has the most slack C) The expected duration of this project is 25 days D) The expected duration of this project is 25 15 20 60 days 15. Assume that activity G has the following times Early start time 7 days Early finish time = 13 days Late start time 15 days Late finish time 21 days Which of the following statements is TRUE about activity G? A) Activity G takes 14 days to complete B) Activity G has a slack time of 8 days C) Activity G is on the critical path D) Activity G takes 2 days to complete

Explanation / Answer

14. C) The expected duration of this project is 25 days.

As A-B-C has the longest time duration of 25 days, so it is considered as the critical path. The expected longest time duration is called critical path. So this statement is true.

15. B) Activity G has the slack time of 8 days.

It is because the formula for slack time is latest start time -- earliest start time.

Therefore, according to the formula, slack time = 15-7 = 8 days. So, option B is true.

Hope this helps :)

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