Aib Problems and Solutions
Essay by Woxman • September 9, 2012 • Study Guide • 443 Words (2 Pages) • 4,473 Views
Problem 1
The following data were obtained from a project to create a new portable electronic.
Activity Duration Predecessors
A 5 Days ---
B 6 Days ---
C 8 Days ---
D 4 Days A, B
E 3 Days C
F 5 Days D
G 5 Days E, F
H 9 Days D
I 12 Days G
Step 1: Construct a network diagram for the project.
Step 2: Answer the following questions:
a) What is the Scheduled Completion of the Project?
Answer = 32 Days
b) What is the Critical Path of the Project?
Answer = B, D, F, G, I
c) What is the ES for Activity D?
Answer = Day 6
d) What is the LS for Activity G?
Answer = Day 15
e) What is the EF for Activity B?
Answer = Day 6
f) What is the LF for Activity H?
Answer = Day 32
g) What is the float for Activity I?
Answer = 0 Days
Problem 2
The following data were obtained from a project to build a pressure vessel:
Activity Duration Predecessors
A 6 weeks ---
B 6 weeks ---
C 5 weeks B
D 4 weeks A, C
E 5 weeks B
F 7 weeks D, E, G
G 4 weeks B
H 8 weeks F
I 5 weeks G
J 3 week I
Step 1: Construct a network diagram for the project.
Step 2: Answer the following questions:
a) Calculate the scheduled completion time.
Answer = 30 weeks
b) Identify the critical path
Answer = B, C, D, F, H
c) What is the slack time (float) for activity A
Answer = 5 weeks
d) What is the slack time (float) for activity D?
Answer = 0 weeks
e) What is the slack time (float) for activity E?
Answer = 4 weeks
f) What is the slack time (float) for activity G?
Answer
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