Question 1

The critical path can be determined by use of either the "forward pass" or the "backward pass."

Accepted Answer

A) True 
 B)False

Question 2

PERT,but not CPM,has the ability to consider the precedence relationships in a project.

Accepted Answer

A) True 
 B)False

Question 3

An activity on a PERT network has these time estimates: optimistic = 1,most likely = 2,and pessimistic = 5.What is its expected activity time?

Accepted Answer

A)  2.00
B)  2.33
C)  2.67
D)  4.67
E)  14.00

Question 4

Which of the following statements regarding critical paths is true?

Accepted Answer

A)  The shortest of all paths through the network is the critical path.
B)  Some activities on the critical path may have slack.
C)  Every network has only one critical path.
D)  On a specific project,there can be multiple critical paths,all with exactly the same duration.
E)  The duration of the critical path is the average duration of all paths in the project network.

Question 5

WBS stands for which of the following project management tools?

Accepted Answer

A)  work break schedule
B)  work breakdown status
C)  work breakdown schedule
D)  work breakdown structure
E)  work break status

Question 6

A network has been crashed to the point where all activities are critical.Additional crashing:

Accepted Answer

A)  is unnecessary.
B)  is impossible.
C)  is prohibitively expensive.
D)  may require crashing multiple tasks simultaneously.
E)  can be done,but all critical tasks must be reduced in duration.

Question 7

The expected activity time in PERT analysis is calculated as:

Accepted Answer

A)  the simple average of the optimistic,pessimistic,and most likely times.
B)  the weighted average of a,m,and b,with m weighted 4 times as heavily as a and b.
C)  the sum of the optimistic,pessimistic,and most likely times.
D)  the sum of the optimistic,pessimistic,and most likely times,divided by six.
E)  the sum of the activity variances,divided by six.

Question 8

The shortest of all paths through the network is the critical path.

Accepted Answer

A) True 
 B)False

Question 9

A project manager is interested in crashing a project with variable activity times.Which of the following tools should he/she employ?

Accepted Answer

A)  PERT
B)  CPM
C)  Gantt Chart
D)  either PERT or CPM
E)  PERT,CPM,or a Gantt chart are fine.

Question 10

The ________ is a project management technique using only one time factor per activity that enables managers to schedule,monitor,and control large and complex projects.

Accepted Answer

critical p...

Question 11

Activity R on a CPM network has predecessors M and N,and has successor S.R has duration 5.N's late finish is 18,while M's is 20.S's late start is 14.Which of the following is definitely true?

Accepted Answer

A)  R is critical and has zero slack.
B)  R has no slack but is not critical.
C)  The set of times cannot all be possible.
D)  N is a critical activity.
E)  S is a critical activity.

Question 12

The fundamental difference between PERT and CPM is that PERT uses the beta distribution for crashing projects while CPM uses cost estimates.

Accepted Answer

A) True 
 B)False

Question 13

Slack is the amount of time an activity can be delayed without delaying the entire project.

Accepted Answer

A) True 
 B)False

Question 14

The critical path for the network activities shown below is ________ with duration ________.

Accepted Answer

A)  A-D-E; 5
B)  B-E; 6
C)  B-D-E; 7
D)  A-C-E; 10
E)  B-C-E; 12

Question 15

Analysis of a PERT problem shows the estimated time for the critical path to be 108 days with a variance of 64.There is a .90 probability that the project will be completed before approximately day:

Accepted Answer

A)  98.
B)  108.
C)  109.
D)  115.
E)  118.

Question 16

Which of the following statements regarding PERT analysis is true?

Accepted Answer

A)  Each activity has two estimates of its duration.
B)  Project variance is the sum of all activity variances.
C)  Project standard deviation is the sum of all critical activity standard deviations.
D)  Only critical activities contribute to the project variance.
E)  The most likely time is equivalent to the expected activity time.

Question 17

A code of ethics especially for project managers:

Accepted Answer

A)  has been established by the Project Management Institute.
B)  has been formulated by the Federal government.
C)  has been formulated by the World Trade Organization.
D)  is inappropriate,since everyone should use the same guidance on ethical issues.
E)  does not exist at this time.

Question 18

Given the project within the table below,calculate the following:
a.The critical path
b.The minimum project duration
c.The amount of slack for each activity

Accepted Answer

<img  loading="lazy" src="/assets/images/blured-textbook.svg" class="d-inline m-1" alt="blured image" width="139" height="30"> (A)The critical path is CDEFG (B)Minimu...

Question 19

Describe the differences between a Gantt chart and a PERT/CPM network.

Accepted Answer

The differences between a Gant...

Question 20

Project managers have their own code of ethics,established by the Project Management Institute.

Accepted Answer

A) True 
 B)False

Exam 3: Project Management

Describe the differences between a Gantt chart and a PERT/CPM network.

Correct AnswerverifiedThe differences between a Gant...View AnswerShow Answer

Slack is the amount of time an activity can be delayed without delaying the entire project.

Correct AnswerverifiedShow Answer

A project manager is interested in crashing a project with variable activity times.Which of the following tools should he/she employ?

Correct AnswerverifiedShow Answer

Which of the following statements regarding critical paths is true?

Correct AnswerverifiedShow Answer

A code of ethics especially for project managers:

Correct AnswerverifiedShow Answer

A network has been crashed to the point where all activities are critical.Additional crashing:

Correct AnswerverifiedShow Answer

The expected activity time in PERT analysis is calculated as:

Correct AnswerverifiedShow Answer

Which of the following statements regarding PERT analysis is true?

Correct AnswerverifiedShow Answer

The shortest of all paths through the network is the critical path.

Correct AnswerverifiedShow Answer

Given the project within the table below,calculate the following: a.The critical path b.The minimum project duration c.The amount of slack for each activity

Correct Answerverified (A)The critical path is CDEFG (B)Minimu...View AnswerShow Answer

WBS stands for which of the following project management tools?

Correct AnswerverifiedShow Answer

PERT,but not CPM,has the ability to consider the precedence relationships in a project.

Correct AnswerverifiedShow Answer

Project managers have their own code of ethics,established by the Project Management Institute.

Correct AnswerverifiedShow Answer

The ________ is a project management technique using only one time factor per activity that enables managers to schedule,monitor,and control large and complex projects.

Correct Answerverifiedcritical p...View AnswerShow Answer

Activity R on a CPM network has predecessors M and N,and has successor S.R has duration 5.N's late finish is 18,while M's is 20.S's late start is 14.Which of the following is definitely true?

Correct AnswerverifiedShow Answer

The fundamental difference between PERT and CPM is that PERT uses the beta distribution for crashing projects while CPM uses cost estimates.

Correct AnswerverifiedShow Answer

The critical path can be determined by use of either the "forward pass" or the "backward pass."

Correct AnswerverifiedShow Answer

Analysis of a PERT problem shows the estimated time for the critical path to be 108 days with a variance of 64.There is a .90 probability that the project will be completed before approximately day:

Correct AnswerverifiedShow Answer

The critical path for the network activities shown below is ________ with duration ________.

Correct AnswerverifiedShow Answer

An activity on a PERT network has these time estimates: optimistic = 1,most likely = 2,and pessimistic = 5.What is its expected activity time?

Correct AnswerverifiedShow Answer

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The differences between a Gant...
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(A)The critical path is CDEFG (B)Minimu...
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critical p...
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The critical path for the network activities shown below is with duration .

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