A Task Pre Time ES EF Critical LS LF Slack Normal cost 1 NA 7 0 7 yes 0 7 0 7 2

Question

A Task Pre Time ES EF Critical LS LF Slack Normal cost 1 NA 7 0 7 yes 0 7 0 7 2 NA 5 0 5 3 8 3 5 3 1 4 7 11 9 13 2 6 4 1,2 6 7 13 yes 8 14 1 12 5 3,4 5 13 18 yes 13 18 0 10 6 4 4 13 17 14 18 1 8 7 5,6 6 18 24 Yes 18 24 0 6 54 15. Determine the ES and EF (days) for activity 2. a) 0 and 5 Ans b) 0 and 7 c) 2 and 7 d) 7 and 11 16. Determine the LS and LF (days) for activity 3. a) 0 and 8 b) 4 and 7 c) 7 and 11 d) 9 and 13 Ans 17. Determine the ES and LS (days) for activity 5. a) 9 and 11 b) 2 and 7 c) 7 and 13 d) 13 and 18 Ans 18. Determine the LS and LF (days) for activity 6. a) 13 and 17 b) 14 and 18 Ans c) 7 and 13 d) 18 and 24 19. Determine the ES and EF (days) for activity 7. a) 13 and 17 b) 13 and 18 c) 18 and 24 Ans d) 20 and 24 20. Determine the LS and LF (days) for activity 7. a) 14 and 18 b) 13 and 18 c) 18 and 24 Ans d) 20 and 24. 21. The time required to complete the project under normal costs is a) 23 days b) 24 days Ans c) 28 days d) 37 days. 22. The normal completion cost of the project is a) $35,000 b) $44,000 c) $54,000 Ans d) $55,000 23. The slack for activity 1 is a) 0 day Ans b) 1 c) 2 d) 3 24. The slack for activity 6 is a) 0 days b) 1 Ans c) 2 d) 3

Explanation / Answer

15. Determine the ES and EF (days) for activity 2.
a) 0 and 5
b) 0 and 7
c) 2 and 7
d) 7 and 11
16. Determine the LS and LF (days) for activity 3.
a) 0 and 8
b) 4 and 7
c) 7 and 11
d) 9 and 13
17. Determine the ES and LS (days) for activity 5.
a) 9 and 11
b) 2 and 7
c) 7 and 13
d) 13 and 18
18. Determine the LS and LF (days) for activity 6.
a) 13 and 17
b) 14 and 18
c) 7 and 13
d) 18 and 24
19. Determine the ES and EF (days) for activity 7.
a) 13 and 17
b) 13 and 18
c) 18 and 24
d) 20 and 24
20. Determine the LS and LF (days) for activity 7.
a) 14 and 18
b) 13 and 18
c) 18 and 24
d) 20 and 24.
21. The time required to complete the project under normal costs is
a) 23 days
b) 24 days
c) 28 days
d) 37 days.
22. The normal completion cost of the project is
a) $35,000
b) $44,000
c) $54,000
d) $55,000
23. The slack for activity 1 is
a) 0 day
b) 1
c) 2
d) 3
24. The slack for activity 6 is
a) 0 days
b) 1
c) 2
d) 3
25. If you had sufficient funds, which activity should you crash initially to
reduce the project’s normal completion time by 1 day?
a) activity 1
b) activity 2
c) activity 4
d) activity 7.
26. What would the total project completion cost be if you crashed the
activity in question 25 by 1 day?
a) $54,000
b) $55,500
c) $56,500
d) $57,000
.
27. Having crashed the activity in Question 25 by 1 day, the project’s critical
path consists of activities
a) 1,2,5,7
b) 1,4,5,7
c) 3,5,6,7
d) 1,2,4,5,6,7
28. Which activity should you crash to reduce the project’s normal completion
time by a second day?
a) activity 1
b) activity 2
c) activity 3
d) activity 5
29. What would the total project completion cost be if you crashed the
activity in question 28 (i.e., after reducing the normal project time by a
second day)?
a) $54,000
b) $56,000
c) $57,000
d) $60,000.
30. Having crashed the project by a second day, the project’s critical path
consists of activities
a) 2,4,5,7
b) 1,4,5,7
c) Neither a) nor b)
d) Both a) and b)

Hanover Company officials are considering the following hardware development project: Before Crashing and After Crashing Activity Duration and Cost Add Cost Costper Normal Normal Crashed Duration Crash Duration Duration Cost Decessor (days) (days)(s000s) (5000s) ActivityPre Day Activity or Activities ($000s) 10 1.5 12 24 12 4 4 4 12 10 1 and 2 3 and 4 4 5 and 6 4 16

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