Saint GBA334 Module 5 Quiz 3

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Question
Quiz 3

Question 1.1.Which of the following statements about project crashing is false?(Points : 3)
The overall project time is reduced by crashing activities on one or more critical paths.
It is best to crash an activity with the cheapest cost to crash per week.
As activities are crashed in a project network, it is possible for more than one path to be critical.
In order to reduce the overall project time, it may be necessary to crash more than one activity.
Project crashing problems can be solved using linear programming.

Question 2.2.Considering the following Activity-On-Node (AON) project (activity completion times are in days),what is the critical path?

Activity-On-Node

Click hereto view a Word version of the project.(Points : 3)
ABEF
ACEF
ACDF
ABDF

Question 3.3.Considering the following Activity-On-Node (AON) project (activity completion times are in days),what is the slack time associated with activity E?

Activity-On-Node

Click hereto view a Word version of the project.(Points : 3)
0 days
1 day
2 days
3 days

Question 4.4.Consider the following Activity-On-Node (AON) PERT project. The three values that represent each activity’s completion time (in days) correspond to an optimistic time, most likely time, and pessimistic time, respectively.What is the standard deviation associated with the completion time of activity B?

Activity-On-Node-2

Click hereto view a Word version of the project.(Points : 3)
0.0245 days
0.6667 days
0.3145 days
0.3333 days

Question 5.5.Consider the following Activity-On-Node (AON) PERT project. The three values that represent each activity’s completion time (in days) correspond to an optimistic time, most likely time, and pessimistic time, respectively.What is the expected completion time of the critical path?

Activity-On-Node-2

Click hereto view a Word version of the project.(Points : 3)
14 days
19 days
20 days
23 days

Question 6.6.Jamie is planning a trip overseas. A variety of activities must be completed before her departure. The following table describes the relationships between these activities:

Immediate
Activity Predecessors
A –
B A
C A
D B, C
E B, C
F D, E
G F

Jamie was also able to estimate the activity times as shown in the table below:

Activity Time (Days)
A 4
B 4
C 5
D 3
E 3
F 2
G 1

Considering the information above, what is the slack for activities E and F respectively?(Points : 3)
0 days; 0 days
0 days; 1 day
1 day; 0 days
1 day; 1 day

Question 7.7.Consider the following set of activities that must be completed in order to prep a new home for painting:

Immediate
Activity Predecessors
A –
B –
C A, B
D C
E C
F D, E
G E
H F, G

Also assume that the painters were able to estimate the activity times as shown in the table below:

Activity Time (Days)
A 3
B 2
C 4
D 5
E 3
F 2
G 4
H 2

Considering the information above, what is the earliest finish time for activity F?(Points : 3)
10 days
12 days
14 days
16 days

Question 8.8.Consider the following set of activities that must be completed in order to prep a new home for painting:

Immediate
Activity Predecessors
A –
B –
C A, B
D C
E C
F D, E
G E
H F, G

Also assume that the painters were able to estimate the activity times as shown in the table below:

Activity Time (Days)
A 3
B 2
C 4
D 5
E 3
F 2
G 4
H 2

Considering the information above, what is the critical path?(Points : 3)
ACDFH
ACEFH
BCDFH
BCEGH

Question 9.9.Francisco is planning a vacation to Germany. A variety of activities must be completed before his departure. The following table describes the relationships between these activities:

Immediate
Activity Predecessors
A –
B –
C –
D A, B
E C
F D, E
G E
H F, G
I F
J I, H

Francisco was also able to estimate the activity times as shown in the table below:

Activity Time (Days)
A 3
B 4
C 5
D 3
E 2
F 1
G 4
H 3
I 2
J 5

Considering the information above, what is the length of the project?(Points : 3)
14 days
15 days
17 days
19 days

Question 10.10.Francisco is planning a vacation to Germany. A variety of activities must be completed before his departure. The following table describes the relationships between these activities:

Immediate
Activity Predecessors
A –
B –
C –
D A, B
E C
F D, E
G E
H F, G
I F
J I, H

Francisco was also able to estimate the activity times as shown in the table below:

Activity Time (Days)
A 3
B 4
C 5
D 3
E 2
F 1
G 4
H 3
I 2
J 5

Considering the information above, what is the critical path?(Points : 3)
CEGHJ
ADFIJ
CEFIJ
ADFHJ