Question 1

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 2

In crashing this project, which activity should be the first to be reduced?

Accepted Answer

The answer of In crashing this project, which activity should...

Question 3

The project computing algorithm requires both a forward and backward pass.

Accepted Answer

A) True 
 B)False

Question 4

In the probabilistic approach to project network analysis, the time estimate annotated "tm" for any activity is the:

Accepted Answer

A)  mean time
B)  median time
C)  most likely time
D)  mode time
E)  marginal timeF) A) and E)
G) D) and E)

Question 5

What is the total cost of reducing the project to 18 weeks?

Accepted Answer

Total cost...

Question 6

Which of the following is determined as a direct result of computing the earliest starting and finishing times for the activities of a project network?

Accepted Answer

A)  expected project duration
B)  activity slack time
C)  which activities are on the critical path
D)  variance in project duration
E)  maximum project durationF) A) and C)
G) A) and E)

Question 7

Which of the following are limitations of PERT? (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) A) and E)
G) B) and D)

Question 8

Activity D has an optimistic time of 3 days, a pessimistic time of 9 days, and a most likely time of 4 days.Determine its expected time and variance.

Accepted Answer

t_e = (t_o + 4t_m + t_p)/6 =...

Question 9

A PERT/CPM activity has an optimistic time estimate of three days, a most likely time estimate of eight days, and a pessimistic time estimate of 10 days.The expected time (in days)  of this activity is:

Accepted Answer

A)  7.0
B)  7.5
C)  8.0
D)  8.5
E)  10.0F) C) and E)
G) A) and B)

Question 10

A sequence of activities that leads from the starting node to the finishing node is called a _______.

Accepted Answer

A)  Path
B)  Sequel
C)  Trail
D)  Critical sequence
E)  Time lineF) A) and B)
G) A) and C)

Question 11

What are the estimated expected (mean) times (in weeks) for activities A-H?

Accepted Answer

15; 20; 10...

Question 12

Activity 7-8 is directly preceded by two activities-activity 5-7 and activity 6-7.Activity 5-7 has an expected time of five and an ES time of six.Activity 6-7 has an expected time of seven and an ES time of seven.Activity 7-8 has an expected time of 10.The ES for activity 7-8 is:

Accepted Answer

A)  11
B)  14
C)  21
D)  24
E)  25F) D) and E)
G) A) and B)

Question 13

The main function of dummy activities is to clarify relationships in network diagrams.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following lead to simulation being a useful tool with uncertain activity times.

Accepted Answer

A)  paths that aren't independent
B)  activity times that aren't deterministic
C)  activity times that can't be crashed
D)  non-critical paths that have no variability
E)  critical paths with activities with deterministic time estimatesF) A) and C)
G) None of the above

Question 15

What is the estimated expected (mean)  time for activity D?

Accepted Answer

A)  32 days
B)  41 days
C)  44 days
D)  42 days
E)  40 daysF) A) and B)
G) All of the above

Question 16

In project network analysis, "slack" refers to the difference between:

Accepted Answer

A)  observed and predicted times
B)  optimistic and pessimistic times
C)  mean and modal times
D)  finish and start times
E)  latest and earliest timesF) A) and E)
G) B) and C)

Question 17

Which of the following is not a limitation of PERT and similar project-scheduling techniques?

Accepted Answer

A)  They force the manager to organize and quantify information.
B)  One or more important activities may be omitted from the network.
C)  Precedence relationships may not all be correct as shown.
D)  Time estimates may contain a "fudge factor."
E)  The use of a computer is essential for large projects.F) A) and B)
G) A) and C)

Exam 17: Project Management

What are the estimated expected (mean) times (in weeks) for activities A-H?

Correct Answer
verified
15; 20; 10...
View Answer

Activity 7-8 is directly preceded by two activities-activity 5-7 and activity 6-7.Activity 5-7 has an expected time of five and an ES time of six.Activity 6-7 has an expected time of seven and an ES time of seven.Activity 7-8 has an expected time of 10.The ES for activity 7-8 is:

Correct Answer
verified

In crashing this project, which activity should be the first to be reduced?

Correct Answer
verified

The project computing algorithm requires both a forward and backward pass.

Correct Answer
verified

The main function of dummy activities is to clarify relationships in network diagrams.

Correct Answer
verified

What is the estimated expected (mean) time for activity D?

Correct Answer
verified

A PERT/CPM activity has an optimistic time estimate of three days, a most likely time estimate of eight days, and a pessimistic time estimate of 10 days.The expected time (in days) of this activity is:

Correct Answer
verified

What is the total cost of reducing the project to 18 weeks?

Correct Answer
verified
Total cost...
View Answer

In the probabilistic approach to project network analysis, the time estimate annotated "t_m" for any activity is the:

Correct Answer
verified

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

Correct Answer
verified

A sequence of activities that leads from the starting node to the finishing node is called a _______.

Correct Answer
verified

Activity D has an optimistic time of 3 days, a pessimistic time of 9 days, and a most likely time of 4 days.Determine its expected time and variance.

Correct Answer
verified
t_e = (t_o + 4t_m + t_p)/6 =...
View Answer

Which of the following is not a limitation of PERT and similar project-scheduling techniques?

Correct Answer
verified

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

Correct Answer
verified

In project network analysis, "slack" refers to the difference between:

Correct Answer
verified

Which of the following is determined as a direct result of computing the earliest starting and finishing times for the activities of a project network?

Correct Answer
verified

Which of the following lead to simulation being a useful tool with uncertain activity times.

Correct Answer
verified

Exam 17: Project Management

What are the estimated expected (mean) times (in weeks) for activities A-H?

Correct Answerverified15; 20; 10...View AnswerShow Answer

Activity 7-8 is directly preceded by two activities-activity 5-7 and activity 6-7.Activity 5-7 has an expected time of five and an ES time of six.Activity 6-7 has an expected time of seven and an ES time of seven.Activity 7-8 has an expected time of 10.The ES for activity 7-8 is:

Correct AnswerverifiedShow Answer

In crashing this project, which activity should be the first to be reduced?

Correct AnswerverifiedShow Answer

The project computing algorithm requires both a forward and backward pass.

Correct AnswerverifiedShow Answer

The main function of dummy activities is to clarify relationships in network diagrams.

Correct AnswerverifiedShow Answer

What is the estimated expected (mean) time for activity D?

Correct AnswerverifiedShow Answer

A PERT/CPM activity has an optimistic time estimate of three days, a most likely time estimate of eight days, and a pessimistic time estimate of 10 days.The expected time (in days) of this activity is:

Correct AnswerverifiedShow Answer

What is the total cost of reducing the project to 18 weeks?

Correct AnswerverifiedTotal cost...View AnswerShow Answer

In the probabilistic approach to project network analysis, the time estimate annotated "tm" for any activity is the:

Correct AnswerverifiedShow Answer

Which of the following are limitations of PERT? (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

A sequence of activities that leads from the starting node to the finishing node is called a _______.

Correct AnswerverifiedShow Answer

Activity D has an optimistic time of 3 days, a pessimistic time of 9 days, and a most likely time of 4 days.Determine its expected time and variance.

Correct Answerverifiedte = (to + 4tm + tp)/6 =...View AnswerShow Answer

Which of the following is not a limitation of PERT and similar project-scheduling techniques?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

In project network analysis, "slack" refers to the difference between:

Correct AnswerverifiedShow Answer

Which of the following is determined as a direct result of computing the earliest starting and finishing times for the activities of a project network?

Correct AnswerverifiedShow Answer

Which of the following lead to simulation being a useful tool with uncertain activity times.

Correct AnswerverifiedShow Answer

Correct Answer
verified
15; 20; 10...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Total cost...
View Answer

In the probabilistic approach to project network analysis, the time estimate annotated "t_m" for any activity is the:

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
t_e = (t_o + 4t_m + t_p)/6 =...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified