Question 1

Figure  (time in days) 
-What is the estimated standard deviation in the time for activity E?

Accepted Answer

A)  1 days.
B)  2 days.
C)  3 days.
D)  4 days.
E)  5 days.F) A) and E)
G) All of the above B

Question 2

Figure  (time in days) 
-What is the probability that the critical path will be completed within 200 days?

Accepted Answer

A)  0.8413.
B)  0.9544.
C)  0.9772.
D)  0.9974.
E)  0.9987.F) A) and D)
G) All of the above

Question 3

The earliest start of an activity is the latest early finish of any immediately preceding activity.

Accepted Answer

A) True 
 B)False

Question 4

Figure 
-The path with the greatest slack is:

Accepted Answer

A)  A-E.
B)  B-F.
C)  C-D-F.
D)  C-G.
E)  None of the above.F) A) and B)
G) C) and D)

Question 5

PERT/Cost can be used to monitor budget overruns.

Accepted Answer

A) True 
 B)False

Question 6

The project network diagram describes sequential relationships among major activities in a project.

Accepted Answer

A) True 
 B)False

Question 7

Figure  (time in days) 
-What is the estimated mean time for project completion?

Accepted Answer

A)  100 days.
B)  140 days.
C)  199 days.
D)  200 days.
E)  440 days.F) B) and C)
G) A) and E)

Question 8

When using linear programming to make crashing decisions,the objective is to minimize:

Accepted Answer

A)  the total cost of crashing the project.
B)  the total of the durations of the activities on the critical path.
C)  the latest finish time of the finish node.
D)  the total number of activities on the critical path.
E)  None of the above.F) A) and B)
G) B) and D)

Question 9

The slack of an activity is the difference between the latest finish and the earliest finish times.

Accepted Answer

A) True 
 B)False

Question 10

The sum of durations of the longest path in a project network indicates expected project completion time,and the activities are the critical activities.

Accepted Answer

A) True 
 B)False  True

Question 11

The standard deviation of a path is computed as:

Accepted Answer

A)  the sum of the standard deviations of all activities on the path.
B)  the square root of the sum of the standard deviations of all activities on the path.
C)  the sum of the variances of all activities on the path.
D)  the square root of the sum of the variances of all activities on the path.
E)  None of the above.F) A) and D)
G) B) and D)

Question 12

PERT/Cost is a systematic procedure to help a project manager bid on a project.

Accepted Answer

A) True 
 B)False

Question 13

Given the portion of the network shown above,what is the latest start time of activity D if the latest finish of activity F is 26 and the latest finish of activity G is 23?

Accepted Answer

A)  3.
B)  4.
C)  9.
D)  10.
E)  12.F) B) and C)
G) A) and C)

Question 14

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

Accepted Answer

A) True 
 B)False

Question 15

The activities with the longest durations in a project network are called critical activities.

Accepted Answer

A) True 
 B)False

Question 16

The earliest start time for an activity is:

Accepted Answer

A)  based on the length of the critical path.
B)  determined by the maximum of the earliest finish times of its immediate predecessors.
C)  determined by the maximum of the earliest finish times of its immediate successors.
D)  the same as the latest start time of its immediate predecessor.
E)  None of the above.F) A) and C)
G) B) and E)

Question 17

In PERT,the project duration will never exceed the expected duration of the critical path.

Accepted Answer

A) True 
 B)False  False

Question 18

The project management strategy of injecting additional resources in order to reduce the length of the project is called:

Accepted Answer

A)  expediting.
B)  rushing.
C)  panicking.
D)  crashing.
E)  None of the above.F) A) and E)
G) C) and E)

Question 19

At which point does crashing of a project cease?

Accepted Answer

A)  When the project is completed.
B)  When no additional crashing is possible.
C)  When the cost to crash equals or exceeds the benefit of crashing.
D)  All of the above.
E)  None of the above.F) D) and E)
G) All of the above

Question 20

Figure  (time in days) 
-What is the estimated mean time for project completion?

Accepted Answer

A)  160 days.
B)  170 days.
C)  200 days.
D)  210 days.
E)  300 days.F) B) and C)
G) All of the above

Exam 19: CD - Pertcpm Models for Project Management

Figure (time in days) -What is the estimated standard deviation in the time for activity E?

Correct AnswerverifiedB

Figure (time in days) -What is the probability that the critical path will be completed within 200 days?

Correct AnswerverifiedShow Answer

The earliest start of an activity is the latest early finish of any immediately preceding activity.

Correct AnswerverifiedShow Answer

Figure -The path with the greatest slack is:

Correct AnswerverifiedShow Answer

PERT/Cost can be used to monitor budget overruns.

Correct AnswerverifiedShow Answer

The project network diagram describes sequential relationships among major activities in a project.

Correct AnswerverifiedShow Answer

Figure (time in days) -What is the estimated mean time for project completion?

Correct AnswerverifiedShow Answer

When using linear programming to make crashing decisions,the objective is to minimize:

Correct AnswerverifiedShow Answer

The slack of an activity is the difference between the latest finish and the earliest finish times.

Correct AnswerverifiedShow Answer

The sum of durations of the longest path in a project network indicates expected project completion time,and the activities are the critical activities.

Correct AnswerverifiedTrue

The standard deviation of a path is computed as:

Correct AnswerverifiedShow Answer

PERT/Cost is a systematic procedure to help a project manager bid on a project.

Correct AnswerverifiedShow Answer

Given the portion of the network shown above,what is the latest start time of activity D if the latest finish of activity F is 26 and the latest finish of activity G is 23?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The activities with the longest durations in a project network are called critical activities.

Correct AnswerverifiedShow Answer

The earliest start time for an activity is:

Correct AnswerverifiedShow Answer

In PERT,the project duration will never exceed the expected duration of the critical path.

Correct AnswerverifiedFalse

The project management strategy of injecting additional resources in order to reduce the length of the project is called:

Correct AnswerverifiedShow Answer

At which point does crashing of a project cease?

Correct AnswerverifiedShow Answer

Figure (time in days) -What is the estimated mean time for project completion?

Correct AnswerverifiedShow Answer

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