Consider the below activity table for a project for the questions 13-20.

Activity	Immediate Predecessor	Duration	Resource
Start	---	0	---
A	---	4	Yellow
B	A	6	Gray
C	B, E	2	Orange
D	---	6	Gray
E	D	4	Blue
F	C	4	Green
G	F	4	Yellow
Finish		0	---

13. Which of the following is a possible Critical Chain of the project?

1. A B C F G
2. A B E C F G
3. D E C F G
4. A B D E C F G
5. A B D C F G
6. None of the above

14. Which of the following is a possible project duration (including project buffer) after applying the Critical Chain?

1. 24
2. 15
3. 11
4. 17
5. 18
6. None of the above

15. Which of the following shows the buffers of the project after applying the critical chain assuming D B C F G is the Critical Chain of the project?

1. 2 Feeding Buffers with 1 day each and 1 Project Buffer with 6 days
2. 2 Feeding Buffers with 2 days each and 1 Project Buffer with 6 days
3. 3 Feeding Buffers with 1 day each and 1 Project Buffer with 5 days
4. 1 Feeding Buffer with 1 day each and 1 Project Buffer with 5 days
5. 3 Feeding Buffers with 1 day each and 1 Project Buffer with 6 days
6. None of the above (what is your answer?)

16. Which of the following shows the latest finish time of activity E in the final schedule after applying the critical chain?

1. 6 or 10
2. 7 or 10
3. 6 or 11
4. 7 or 11
5. 6 or 9
6. None of the above (what is your answer?)

17. Which of the following shows the latest finish time of activity F in the final schedule after applying the critical chain?

1. 10 or 14
2. 9 or 14
3. 9 or 13
4. 10 or 13
5. 8 or 12
6. None of the above (what is your answer?)

18. Which of the following shows the latest start time of activity C in the final schedule after applying the critical chain?

1. 6 or 10
2. 7 or 10
3. 6 or 11
4. 7 or 11
5. 6 or 9
6. None of the above (what is your answer?)

19. Which of the following shows the latest start time of activity G in the final schedule after applying the critical chain?

1. 9 or 14
2. 10 or 14
3. 9 or 15
4. 8 or 13
5. 10 or 13
6. None of the above (what is your answer?)

20. Which of the following is a possible non-critical activity in the final schedule after applying the critical chain?

1. A
2. B
3. C
4. D
5. F
6. None of the above