The following data were obtained from a project to create a new portable electronic.

ActivityDurationPredecessors

A5 Days---

B6 Days---

C8 Days---

D4 DaysA, B

E3 DaysC

F5 DaysD

G5 DaysE, F

H9 DaysD

I12 DaysG

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)

32 days

b) What is the Critical Path of the Project? (5 points)

B, D, F, G, I

c) What is the ES for Activity D? (1 points)

6 days

d) What is the LS for Activity G? (1 points)

6 days

e) What is the EF for Activity B? (1 points)

6 days

f) What is the LF for Activity H? (1 points)

32 days

g) What is the float for Activity I? (1 points)

0 days

Problem 2

The following data were obtained from a project to build a pressure vessel:

ActivityDurationPredecessors

A6 weeks---

B6 weeks---

C5 weeksB

D4 weeksA, C

E5 weeksB

F7 weeksD, E, G

G4 weeksB

H8 weeksF

I5 weeksG

J3 weekI

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)

30days

b) Identify the critical path (6 points)

B, C, D, F, H

c) What is the slack time (float) for activity A? (1 points) 6 days

d) What is the slack time (float) for activity D? (1 points)

0 days

e) What is the slack time (float) for activity E? (1 points)

4 days

e) What is the slack time (float) for activity G? (1 points) 5 days

Problem 3

The following data were obtained from a project to design a new software package:

ActivityDurationPredecessors

A5 Days---

B8 Days---

C6 DaysA

D4 DaysC, B

E5 DaysA

F4 DaysD, E, G

G4 DaysB, C

H3 DayG

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)

19days

b) Identify the critical path(s) (6 points)

A, C, D, F

c) What is the slack time (float) for activity B? (1 points)

3days

d) What is the slack time (float) for activity D? (1 points)

0days

e) What is the slack time (float) for activity E? (1 points)

5days

f) What is the slack time (float) for activity G? (1 points)

0days

Problem 4

The following data were obtained from an in-house MIS project:

ActivityDurationPredecessors

A5 Days---

B8 Days---

C5 DaysA

D4 DaysB

E5 DaysB

F3 DayC, D

G7 DaysC, D

H6 DaysE, F, G

I9 DaysE, 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)

25days

b) Identify the critical path (6 points)

B, D, G, H

c) What is the slack time (float) for activity A? (1 points) 2 days

d) What is the slack time (float) for activity D? (1 points) 0days

e) What is the slack time (float) for activity E? (1 points) 3days

f) What is the slack time (float) for activity F? (1 points) 1day