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Gantt charts contain information about the time taken by each activity, but not about the sequential dependencies of the activities.

A) True
B) False

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Given the assumptions in PERT, the probability that a project will be completed in less time than required by the activities on the critical path is approximately 50%.

A) True
B) False

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Figure 12-1 Figure 12-1 -Given the network shown in Figure 12-1 and the following information, what is the variance of the critical path? A) 16 B) 7 C) 9 D) 8 E) None of the above -Given the network shown in Figure 12-1 and the following information, what is the variance of the critical path? Figure 12-1 -Given the network shown in Figure 12-1 and the following information, what is the variance of the critical path? A) 16 B) 7 C) 9 D) 8 E) None of the above


A) 16
B) 7
C) 9
D) 8
E) None of the above

F) B) and C)
G) A) and E)

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The longest time path through a PERT/CPM network is called the critical path.

A) True
B) False

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PERT and CPM are quantitative analysis tools designed to schedule and control large projects.

A) True
B) False

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The two common techniques for drawing PERT networks are ________.


A) NOA and NRA
B) AON and AOA
C) GANTT and NOA
D) ONA and OAO
E) CAN and CAA

F) All of the above
G) B) and E)

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Managers use the network analysis of PERT and CPM to help them


A) derive flexibility by identifying noncritical activities.
B) replan, reschedule, and reallocate resources such as manpower and finances.
C) plan, schedule, monitor, and control large and complex projects.
D) All of the above
E) None of the above

F) A) and C)
G) A) and B)

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Table 12-2 The following represents a project with four activities. All times are in weeks. Table 12-2 The following represents a project with four activities. All times are in weeks. -According to Table 12-2, there are four activities in the project. Assume the normal distribution is appropriate to use to determine the probability of finishing by a particular time. If you wished to find the probability of finishing the project in 20 weeks or fewer, it would be necessary to find the variance and then the standard deviation to be used with the normal distribution. What variance would be used? A) 2 B) 4 C) 8 D) 12 E) None of the above -According to Table 12-2, there are four activities in the project. Assume the normal distribution is appropriate to use to determine the probability of finishing by a particular time. If you wished to find the probability of finishing the project in 20 weeks or fewer, it would be necessary to find the variance and then the standard deviation to be used with the normal distribution. What variance would be used?


A) 2
B) 4
C) 8
D) 12
E) None of the above

F) A) and E)
G) A) and B)

Correct Answer

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In PERT, we assume that the project completion time can be modeled by the normal distribution.

A) True
B) False

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Given an activity's optimistic, most likely, and pessimistic time estimates of 3, 5, and 15 days, respectively, compute the PERT standard deviation for this activity.


A) 2
B) 4
C) 5
D) 15
E) None of the above

F) None of the above
G) B) and E)

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Given an activity's optimistic, most likely, and pessimistic time estimates of 2, 5, and 14 days respectively, compute the PERT expected activity time for this activity.


A) 6
B) 7
C) 9
D) 5
E) None of the above

F) A) and E)
G) A) and B)

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Gantt charts and PERT diagrams provide the same information, just in different formats.

A) True
B) False

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Draw the PERT network associated with the following activities. Draw the PERT network associated with the following activities.

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Figure 12-1 Figure 12-1 -Given the network in Figure 12-1, the critical path is A) A-C-F-H. B) B-D-E-F-H. C) A-C-E-G-H. D) B-D-G-E-F-H. E) None of the above -Given the network in Figure 12-1, the critical path is


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

F) A) and B)
G) None of the above

Correct Answer

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In CPM, crashing an activity that is not on the critical path increases the cost of the project.

A) True
B) False

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Table 12-2 The following represents a project with four activities. All times are in weeks. Table 12-2 The following represents a project with four activities. All times are in weeks. -According to Table 12-2, there are four activities in the project. Assume the normal distribution is appropriate to use to determine the probability of finishing by a particular time. What is the probability that the project is finished in 16 weeks or fewer? (Round to two decimals.) A) 0.07 B) 0.93 C) 0.43 D) 0.77 E) None of the above -According to Table 12-2, there are four activities in the project. Assume the normal distribution is appropriate to use to determine the probability of finishing by a particular time. What is the probability that the project is finished in 16 weeks or fewer? (Round to two decimals.)


A) 0.07
B) 0.93
C) 0.43
D) 0.77
E) None of the above

F) All of the above
G) A) and D)

Correct Answer

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The project described by: The project described by: is best represented by which of the following networks? A) B) C) D) E) None of the above is best represented by which of the following networks?


A) The project described by: is best represented by which of the following networks? A) B) C) D) E) None of the above
B) The project described by: is best represented by which of the following networks? A) B) C) D) E) None of the above
C) The project described by: is best represented by which of the following networks? A) B) C) D) E) None of the above
D) The project described by: is best represented by which of the following networks? A) B) C) D) E) None of the above
E) None of the above

F) A) and C)
G) C) and D)

Correct Answer

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Table 12-1 The following represents a project with know activity times. All times are in weeks. Table 12-1 The following represents a project with know activity times. All times are in weeks. -Using the data in Table 12-1, what is the latest possible time that C may be started without delaying completion of the project? A) 0 B) 4 C) 8 D) 10 E) None of the above -Using the data in Table 12-1, what is the latest possible time that C may be started without delaying completion of the project?


A) 0
B) 4
C) 8
D) 10
E) None of the above

F) A) and B)
G) B) and E)

Correct Answer

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Which of the following is not a decision variable when formulating the project crashing problem as a linear program?


A) the early finish times of critical activities
B) the early finish times of non critical activities
C) the start time of the project
D) the finish time of the project
E) the early start times of all activities

F) None of the above
G) B) and C)

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Given the following small project, the critical path is ________ days. Given the following small project, the critical path is ________ days. A) 4 B) 10 C) 12 D) 22 E) None of the above


A) 4
B) 10
C) 12
D) 22
E) None of the above

F) C) and D)
G) B) and E)

Correct Answer

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Showing 81 - 100 of 123

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