ABC CO. has developed the following list of activities necessary to release a contract for a new plant. Activity predecessor Expected time A (1-2) B (1-3) - C(1-4) - D (2-5) A E (3-5) B F (3-6) B G (4-6) C H (5-6) DE ? (a=2, m=3, b=4) I (6-7) F,G,H _
1. Which activities are on the critical path? a. A-D-H- b. C-G-I c. B-E-H-I d. B-F-I e. None 2. The expected completion time of this project is: a. 15 b. 17 c. 19 d. 20 e. None
3. In the CPM/PERT chart, the ES and LF for the activity E(3-5) is: a. 2, 11 b. 6, 11 c. 6, 14 d. 11, 14 e. None
4. In the CPM/PERT chart, the slack time for activity D(2-5) is: a. 5 b. 4 c. 3 d. 0 e. None