Question 1

The critical path of a network is the

Accepted Answer

A)  path with the least variance. 
B)  path with zero slack. 
C)  path with the most activities. 
D)  path with the largest variance. 
E)  None of the above 
A)  path with the least variance. 
B)  path with zero slack. 
C)  path with the most activities. 
D)  path with the largest variance. 
E)  None of the above

Question 2

Given an activity's optimistic, most likely, and pessimistic time estimates of 4, 12, and 18 days respectively, compute the PERT variance for this activity.

Accepted Answer

A)  2.33 
B)  5.44 
C)  8.00 
D)  64.00 
E)  None of the above 
A)  2.33 
B)  5.44 
C)  8.00 
D)  64.00 
E)  None of the above

Question 3

PERT

Accepted Answer

A)  assumes that we do not know ahead of time what activities must be completed. 
B)  assumes that activity time estimates follow the normal probability distribution. 
C)  is a network technique that uses three time estimates for each activity in a project. 
D)  is a deterministic network technique that allows for project crashing. 
E)  None of the above 
A)  assumes that we do not know ahead of time what activities must be completed. 
B)  assumes that activity time estimates follow the normal probability distribution. 
C)  is a network technique that uses three time estimates for each activity in a project. 
D)  is a deterministic network technique that allows for project crashing. 
E)  None of the above

Question 4

Your company is considering submitting a bid on a major project. You determine that the expected completion time is 150 weeks and the standard deviation is 10 weeks. It is assumed that the normal distribution applies. You wish to set the due date for the project such that there is a 95 percent chance that the project will be finished by this time. What due date should be set?

Accepted Answer

A)  108.0 
B)  160.4 
C)  166.5 
D)  135.0 
E)  None of the above 
A)  108.0 
B)  160.4 
C)  166.5 
D)  135.0 
E)  None of the above

Question 5

The identification of the project activities and their time, cost, resource requirements, predecessors, and person(s) responsible is called PERT planning.

Accepted Answer

A) True 
 B)False

Question 6

Table 12-4
The following represents a project with known activity times. All times are in weeks.  
-Using the data in Table 12-4, compute the slack time for activity D.

Accepted Answer

A)  0 
B)  5 
C)  3 
D)  6 
E)  None of the above 
A)  0 
B)  5 
C)  3 
D)  6 
E)  None of the above

Question 7

Which of the following statement about project crashing is false?

Accepted Answer

A)  The crash cost is greater than or equal to the normal cost of an activity. 
B)  The crash time is less than or equal to the normal time to complete an activity. 
C)  Reducing the time of an activity on the critical path automatically reduces total project duration. 
D)  It may not be possible to crash a particular activity. 
E)  Crashing may not lead to an overall reduction in costs for the project. 
A)  The crash cost is greater than or equal to the normal cost of an activity. 
B)  The crash time is less than or equal to the normal time to complete an activity. 
C)  Reducing the time of an activity on the critical path automatically reduces total project duration. 
D)  It may not be possible to crash a particular activity. 
E)  Crashing may not lead to an overall reduction in costs for the project.

Question 8

Table 12-6  
-What is the variance of Table 12-6's critical path?

Accepted Answer

A)  5.222 
B)  4.364 
C)  1.362 
D)  5.144 
E)  2.362 
A)  5.222 
B)  4.364 
C)  1.362 
D)  5.144 
E)  2.362

Question 9

The expected completion time and variance of an activity is approximated by the normal distribution in a PERT analysis.

Accepted Answer

A) True 
 B)False

Question 10

Development of a new deluxe version of a particular software product is being considered. The activities necessary for the completion of this are listed in the table below (Time in weeks).   (a) What is the project completion date?
(b) What is the total cost required for completing this project on normal time?
(c) If you wish to reduce the time required to complete this project by one week, which activity should be crashed, and how much will this increase the total cost?

Accepted Answer

(a) Project completion time =

Question 11

The optimistic time is the greatest amount of time that could be required to complete an activity.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following questions can be answered by PERT?

Accepted Answer

A)  When will the entire project be completed? 
B)  What is the probability that the project will be completed by a specific date? 
C)  What are the critical activities? 
D)  What are the noncritical activities? 
E)  All of the above 
A)  When will the entire project be completed? 
B)  What is the probability that the project will be completed by a specific date? 
C)  What are the critical activities? 
D)  What are the noncritical activities? 
E)  All of the above

Question 13

Figure 12-1  
-Given the network shown in Figure 12-1, assume that completion of B is delayed by two days. What happens to the project?

Accepted Answer

A)  The critical path is extended by two days. 
B)  The start of activity F is delayed by two days. 
C)  The start of activity E is delayed by two days. 
D)  All of the above 
E)  None of the above 
A)  The critical path is extended by two days. 
B)  The start of activity F is delayed by two days. 
C)  The start of activity E is delayed by two days. 
D)  All of the above 
E)  None of the above

Question 14

The crash time of an activity represents

Accepted Answer

A)  the normal time to complete an activity. 
B)  the most pessimistic time to complete an activity. 
C)  the incremental decrease in the time to complete an activity. 
D)  the shortened activity time. 
E)  None of the above 
A)  the normal time to complete an activity. 
B)  the most pessimistic time to complete an activity. 
C)  the incremental decrease in the time to complete an activity. 
D)  the shortened activity time. 
E)  None of the above

Question 15

Given:     Determine:
(a) the critical path.
(b) the probability that the project will be completed in 22 weeks.

Accepted Answer

(a) Critical path is A-C-F. Ex

Question 16

A PERT/CPM network is a graphical display of a project that connects activities.

Accepted Answer

A) True 
 B)False

Question 17

In PERT, we assume that

Accepted Answer

A)  the times to complete individual activities are known with certainty. 
B)  all activities are carried out by staff from our own organization. 
C)  the total cost of a project is independent of the time to complete the project. 
D)  the total time to complete all activities on the critical path is described by a normal distribution. 
E)  None of the above 
A)  the times to complete individual activities are known with certainty. 
B)  all activities are carried out by staff from our own organization. 
C)  the total cost of a project is independent of the time to complete the project. 
D)  the total time to complete all activities on the critical path is described by a normal distribution. 
E)  None of the above

Question 18

Given an activity's optimistic, most likely, and pessimistic time estimates of 2, 10, and 20 days respectively, compute the PERT variance for this activity.

Accepted Answer

A)  3 
B)  6 
C)  9 
D)  18 
E)  None of the above 
A)  3 
B)  6 
C)  9 
D)  18 
E)  None of the above

Question 19

Figure 12-1  
-Given the network shown in Figure 12-1, assume that completion of A is delayed by two days. What other activities are impacted?

Accepted Answer

A)  B 
B)  D 
C)  E 
D)  C 
E)  None of the above 
A)  B 
B)  D 
C)  E 
D)  C 
E)  None of the above

Question 20

Table 12-4
The following represents a project with known activity times. All times are in weeks.  
-Using the data in Table 12-4, what is the minimum possible time required for completing the project?

Accepted Answer

A)  8 
B)  12 
C)  18 
D)  10 
E)  None of the above 
A)  8 
B)  12 
C)  18 
D)  10 
E)  None of the above

The critical path of a network is the

Given an activity's optimistic, most likely, and pessimistic time estimates of 4, 12, and 18 days respectively, compute the PERT variance for this activity.

PERT

The identification of the project activities and their time, cost, resource requirements, predecessors, and person(s) responsible is called PERT planning.

Table 12-4 The following represents a project with known activity times. All times are in weeks. -Using the data in Table 12-4, compute the slack time for activity D.

Which of the following statement about project crashing is false?

Table 12-6 -What is the variance of Table 12-6's critical path?

The expected completion time and variance of an activity is approximated by the normal distribution in a PERT analysis.

The optimistic time is the greatest amount of time that could be required to complete an activity.

Which of the following questions can be answered by PERT?

Figure 12-1 -Given the network shown in Figure 12-1, assume that completion of B is delayed by two days. What happens to the project?

The crash time of an activity represents

Given: Determine: (a) the critical path. (b) the probability that the project will be completed in 22 weeks.

A PERT/CPM network is a graphical display of a project that connects activities.

In PERT, we assume that

Given an activity's optimistic, most likely, and pessimistic time estimates of 2, 10, and 20 days respectively, compute the PERT variance for this activity.

Figure 12-1 -Given the network shown in Figure 12-1, assume that completion of A is delayed by two days. What other activities are impacted?

Table 12-4 The following represents a project with known activity times. All times are in weeks. -Using the data in Table 12-4, what is the minimum possible time required for completing the project?

Introduction to Quantitative Analysis

Probability Concepts and Applications

Decision Analysis

Regression Models

Forecasting

Inventory Control Models

Linear Programming Models: Graphical and Computer Methods

Linear Programming Applications

Transportation and Assignment Models

Integer Programming, Goal Programming, and Nonlinear Programming

Network Models

Waiting Lines and Queuing Theory Models

Simulation Modeling

Markov Analysis

Statistical Quality Control

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Exam 12: Project Management

The critical path of a network is the

Given an activity's optimistic, most likely, and pessimistic time estimates of 4, 12, and 18 days respectively, compute the PERT variance for this activity.

PERT

The identification of the project activities and their time, cost, resource requirements, predecessors, and person(s) responsible is called PERT planning.

Table 12-4 The following represents a project with known activity times. All times are in weeks. -Using the data in Table 12-4, compute the slack time for activity D.

Which of the following statement about project crashing is false?

Table 12-6 -What is the variance of Table 12-6's critical path?

The expected completion time and variance of an activity is approximated by the normal distribution in a PERT analysis.

The optimistic time is the greatest amount of time that could be required to complete an activity.

Which of the following questions can be answered by PERT?

Figure 12-1 -Given the network shown in Figure 12-1, assume that completion of B is delayed by two days. What happens to the project?

The crash time of an activity represents

Given: Determine: (a) the critical path. (b) the probability that the project will be completed in 22 weeks.

A PERT/CPM network is a graphical display of a project that connects activities.

In PERT, we assume that

Given an activity's optimistic, most likely, and pessimistic time estimates of 2, 10, and 20 days respectively, compute the PERT variance for this activity.

Figure 12-1 -Given the network shown in Figure 12-1, assume that completion of A is delayed by two days. What other activities are impacted?

Table 12-4 The following represents a project with known activity times. All times are in weeks. -Using the data in Table 12-4, what is the minimum possible time required for completing the project?

Introduction to Quantitative Analysis

Probability Concepts and Applications

Decision Analysis

Regression Models

Forecasting

Inventory Control Models

Linear Programming Models: Graphical and Computer Methods

Linear Programming Applications

Transportation and Assignment Models

Integer Programming, Goal Programming, and Nonlinear Programming

Network Models

Waiting Lines and Queuing Theory Models

Simulation Modeling

Markov Analysis

Statistical Quality Control

Filters