Homework Answers
(a) Network Diagram -
Hence, the correct network diagram is (C)
(b) Possible network paths and their duration are -
ACFH --> 1+1+7+3 = 12
BEFH --> 4+2+7+3 = 16
BDGH --> 4+5+2+3 = 14
Hence, critical path is the path with longest duration = B-E-F-H
(c) Length of critical path = 16 weeks
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chedule the following activities using CPM: ACTIVITY IMMEDIATE PREDECESSOR TIME (WEEKS) A — 5 B A...
chedule the following activities using CPM:
ACTIVITY
IMMEDIATE PREDECESSOR
TIME (WEEKS)
A
—
5
B
A
3
C
A
4
D
B
6
E
C
D
8
F
D
2
G
F
4
H
E
G
3
b. What is the critical path?
A-B-D-E-H
A-B-D-F-G-H
A-C-E-F-G-H
A-C-E-H
c. How many weeks will it take to complete the
project?
d. Which activities have slack, and how
much?
B
1 week
H
2 weeks
F
4 weeks.
C
5 weeks
F
2...
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chedule the following activities using CPM:
ACTIVITY
IMMEDIATE PREDECESSOR
TIME (WEEKS)
A
—
5
B
A
3
C
A
4
D
B
6
E
C
D
8
F
D
2
G
F
4
H
E
G
3
b. What is the critical path?
A-B-D-E-H
A-B-D-F-G-H
A-C-E-F-G-H
A-C-E-H
c. How many weeks will it take to complete the
project?
d. Which activities have slack, and how
much?
B
1 week
H
2 weeks
F
4 weeks.
C
5 weeks
F
2...
F: The activities in the following table describe the construction of a new house. Activity Predecessor(s) Duration(days) A: Clear site B: Bring utilities to site Excavate D: Pour foundation E: Outside plumbing B, C Frame house D G: Do electric wiring H: Lay floor Lay roof F Inside plumbing E, H K: Shingling Outside sheathing insulation F.J M: Install windows and outside doors F Do brick work L, M 0: Insulate walls and ceiling GJ Cover walls and ceiling 0...
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