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: (15 points total)
a)
What is the
Scheduled Completion of the Project? (5 points)
b)
What is the Critical
Path of the Project? (5 points)
c)
What is the ES
for Activity D? (1 points)
d)
What is the LS
for Activity G? (1 points)
e)
What is the EF
for Activity B? (1 points)
f)
What is the LF
for Activity H? (1 points)
g)
What is the float
for Activity I? (1 points)
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: (15 points total)
a)
Calculate the
scheduled completion time. (5 points)
b)
Identify the
critical path (6 points)
c)
What is the slack
time (float) for activity A? (1 points)
d)
What is the slack
time (float) for activity D? (1 points)
e)
What is the slack time (float) for activity E? (1 points)
f)
What is the slack time (float) for activity G? (1 points)
Problem 3
The
following data were obtained from a project to design a new software package:
Activity Duration Predecessors
A 5 Days —
B 8 Days —
C 6 Days A
D 4 Days C, B
E 5 Days A
F 4 Days D, E, G
G 4 Days B, C
H 3 Day G
Step
1: Construct a network diagram for the project.
Step
2: Answer the following questions: (15 points total)
a)
Calculate the
scheduled completion time. (5 points)
b)
Identify the
critical path(s) (6 points)
c)
What is the slack
time (float) for activity B? (1 points)
d)
What is the slack
time (float) for activity D? (1 points)
e)
What is the slack time (float) for activity E? (1 points)
f)
What is the slack time (float) for activity G? (1 points)
Problem 4
The
following data were obtained from an in-house MIS project:
Activity Duration Predecessors
A 5 Days —
B 8 Days —
C 5 Days A
D 4 Days B
E 5 Days B
F 3 Day C, D
G 7 Days C, D
H 6 Days E, F, G
I 9 Days E, F
Step
1: Construct a network diagram for the project.
Step
2: Answer the following questions: (15 points total)
a)
Calculate the
scheduled completion time. (5 points)
b)
Identify the
critical path (6 points)
c)
What is the slack
time (float) for activity A? (1 points)
d)
What is the slack
time (float) for activity D? (1 points)
e)
What is the slack
time (float) for activity E? (1 points)
f)
What is the slack
time (float) for activity F? (1 points)
