Question 1

In a project network, the critical path is the sequence of activities which has the:

Accepted Answer

A)   most activities.
B)   most nodes.
C)   most events.
D)   longest duration.
E)   greatest variance.F) A) and D)
G) A) and C)

Question 2

The standard deviation of the critical path is equal to the sum of the standard deviations of all of the activities on the critical path.

Accepted Answer

A) True 
 B)False

Question 3

Consider the following work breakdown structure: 
What is the estimated expected (mean)  time for project completion?

Accepted Answer

A)   41 days
B)   70 days
C)   100 days
D)   120 days
E)   221 daysF) C) and D)
G) B) and E)

Question 4

The probability of occurrence of risk events is lower near the beginning of a project and higher near the end of the project since very few activities remain.

Accepted Answer

A) True 
 B)False

Question 5

If an activity is determined to be on the critical path, that means that unlike activities that are not on the critical path, it will affect project:

Accepted Answer

A)   direct costs.
B)   performance.
C)   quality.
D)   conflict.
E)   duration.F) C) and D)
G) B) and D) E

Question 6

In order to determine the probability of timely project completion, it is sometimes necessary to take into account paths other than the critical path.

Accepted Answer

A) True 
 B)False

Question 7

Consider the following work breakdown structure: 
What is the estimated expected (mean)  time for activity Y?

Accepted Answer

A)   30 days
B)   29 days
C)   38 days
D)   26 days
E)   35 daysF) A) and E)
G) A) and B)

Question 8

The earliest finish time for an activity is equal to the latest finish time minus the activity slack.

Accepted Answer

A) True 
 B)False

Question 9

The costs associated with risk events tend to be lower near the beginning of a project and higher near the end of the project.

Accepted Answer

A) True 
 B)False  True

Question 10

Which of the following are limitations of PERT and CPM?
(I)  Time estimates may include a fudge factor.
(II)  Important activities may be overlooked.
(III)  It is an after-the-fact analysis.

Accepted Answer

A)   I and II
B)   I, II, and III
C)   I and III
D)   II and III
E)   I onlyF) B) and E)
G) A) and B)

Question 11

Consider the following work breakdown structure: 
What is the estimated standard deviation in the time for activity E?

Accepted Answer

A)   2 days
B)   3 days
C)   4 days
D)   16 days
E)   24 daysF) B) and E)
G) A) and E)

Question 12

Consider the following work breakdown structure: 
What is the estimated standard deviation in the time for activity Z?

Accepted Answer

A)   3 days
B)   2 days
C)   4 days
D)   8 days
E)   5 daysF) A) and B)
G) D) and E)

Question 13

Activities not on the critical path have a slack time equal to zero.

Accepted Answer

A) True 
 B)False

Question 14

Consider the following work breakdown structure: 
What is the estimated slack time for activity E?

Accepted Answer

A)   0 weeks
B)   3 weeks
C)   9 weeks
D)   11 weeks
E)   12 weeksF) C) and D)
G) None of the above

Question 15

Consider the following work breakdown structure: 
What is the estimated standard deviation in the time for activity E?

Accepted Answer

A)   0 weeks
B)   1 week
C)   2 weeks
D)   3 weeks
E)   4 weeksF) A) and D)
G) All of the above

Question 16

Gantt charts are most closely associated with

Accepted Answer

A)   JIT.
B)   PERT.
C)   MRP.
D)   MRPII.
E)   Six Sigma.F) A) and D)
G) A) and B)

Question 17

A method used for establishing a logical framework for identifying the required activities for the project is called:

Accepted Answer

A)   work breakdown structurE.
B)   PERT.
C)   planning matrix.
D)   crashing.
E)   critical path analysis.F) B) and C)
G) A) and C)

Question 18

Consider the following work breakdown structure: 
What is the probability that the critical path for this project will be completed within 200 days?

Accepted Answer

A)   0.8413
B)   0.9544
C)   0.9772
D)   0.9974
E)   0.9987F) None of the above
G) All of the above

Question 19

A project is represented by the following diagram: 
The critical path for the network shown is:

Accepted Answer

A)   a-c-g.
B)   a-d-f-g.
C)   a-d-h-i.
D)   b-e-f-g.
E)   b-e-h-i.F) B) and E)
G) A) and B) D

Question 20

Activity C has an early start time of 8, an early finish time of 12, a latest start time of 13, and a latest finish time of 17. Its slack is:

Accepted Answer

A)   0.
B)   1.
C)   4.
D)   5.
E)   9.F) B) and D)
G) A) and C)

Exam 23: Project Management

In a project network, the critical path is the sequence of activities which has the:

Correct AnswerverifiedShow Answer

The standard deviation of the critical path is equal to the sum of the standard deviations of all of the activities on the critical path.

Correct AnswerverifiedShow Answer

Consider the following work breakdown structure: What is the estimated expected (mean) time for project completion?

Correct AnswerverifiedShow Answer

The probability of occurrence of risk events is lower near the beginning of a project and higher near the end of the project since very few activities remain.

Correct AnswerverifiedShow Answer

If an activity is determined to be on the critical path, that means that unlike activities that are not on the critical path, it will affect project:

Correct AnswerverifiedE

In order to determine the probability of timely project completion, it is sometimes necessary to take into account paths other than the critical path.

Correct AnswerverifiedShow Answer

Consider the following work breakdown structure: What is the estimated expected (mean) time for activity Y?

Correct AnswerverifiedShow Answer

The earliest finish time for an activity is equal to the latest finish time minus the activity slack.

Correct AnswerverifiedShow Answer

The costs associated with risk events tend to be lower near the beginning of a project and higher near the end of the project.

Correct AnswerverifiedTrue

Which of the following are limitations of PERT and CPM? (I) Time estimates may include a fudge factor. (II) Important activities may be overlooked. (III) It is an after-the-fact analysis.

Correct AnswerverifiedShow Answer

Consider the following work breakdown structure: What is the estimated standard deviation in the time for activity E?

Correct AnswerverifiedShow Answer

Consider the following work breakdown structure: What is the estimated standard deviation in the time for activity Z?

Correct AnswerverifiedShow Answer

Activities not on the critical path have a slack time equal to zero.

Correct AnswerverifiedShow Answer

Consider the following work breakdown structure: What is the estimated slack time for activity E?

Correct AnswerverifiedShow Answer

Consider the following work breakdown structure: What is the estimated standard deviation in the time for activity E?

Correct AnswerverifiedShow Answer

Gantt charts are most closely associated with

Correct AnswerverifiedShow Answer

A method used for establishing a logical framework for identifying the required activities for the project is called:

Correct AnswerverifiedShow Answer

Consider the following work breakdown structure: What is the probability that the critical path for this project will be completed within 200 days?

Correct AnswerverifiedShow Answer

A project is represented by the following diagram: The critical path for the network shown is:

Correct AnswerverifiedD

Activity C has an early start time of 8, an early finish time of 12, a latest start time of 13, and a latest finish time of 17. Its slack is:

Correct AnswerverifiedShow Answer

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E

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True

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D

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