Question: 6 (E) 20. An activity in a network has the following characteristics: ES = 5, EF = 9, and LF = 12. LS = A.

6 (E) 20. An activity in a network has the
6 (E) 20. An activity in a network has the following characteristics: ES = 5, EF = 9, and LF = 12. LS = A. 5 B. 8 C. 9 D. 12 (E) 21. An activity in a network has the following characteristics: ES = 10, EF = 18, and LS = 12. The duration of the activity is: A. B. 8 C. 10 D. Cannot be determined (M) 22. If the slack in a 12-week activity is 6 weeks and ES = 4, then LF A. 4 B. 10 C. 16 D. 22 (M) 23. The measurement of lag is made within an activity whereas slack is measured between activities. A. True B. False (M) 24. A PERT network reflects what type of precedence diagram? A. Start-to-start B. Start-to-finish c. Finish-to-start D. Finish-to-finish (E) 25. What are the maximum number of inputs and outputs that can exist in a node in the precedence diagramming method? A. 3 each B. 5 each C. 10 each D. It is unlimited

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