Question 1

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 time. 
A)  mean time. 
B)  median time. 
C)  most likely timE. 
D)  mode time. 
E)  marginal time.

Question 2

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

Accepted Answer

A) True 
 B)False

Question 3

Concerning PERT and CPM:

Accepted Answer

A)  These are two different names for essentially the same techniquE. 
B)  CPM tends to focus more on the critical path; PERT focuses on the parallel paths. 
C)  PERT gives a clearer indication of activity slack, while CPM gives a better picture of path slack. 
D)  Because of its recent discovery, much less is known about CPM than PERT. 
E)  CPM is useful for project manager selection; PERT is useful for project team selection. 
A)  These are two different names for essentially the same techniquE. 
B)  CPM tends to focus more on the critical path; PERT focuses on the parallel paths. 
C)  PERT gives a clearer indication of activity slack, while CPM gives a better picture of path slack. 
D)  Because of its recent discovery, much less is known about CPM than PERT. 
E)  CPM is useful for project manager selection; PERT is useful for project team selection.

Question 4

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)  10.0. 
A)  7.0. 
B)  7.5. 
C)  8.0. 
D)  8.5. 
E)  10.0.

Question 5

A project is represented by the following diagram:  
The expected duration of this project is:

Accepted Answer

A)  13. 
B)  15. 
C)  20. 
D)  52. 
E)  81. 
A)  13. 
B)  15. 
C)  20. 
D)  52. 
E)  81.

Question 6

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

Accepted Answer

A) True 
 B)False

Question 7

The network diagram shows sequential relationships among major activities on a project.

Accepted Answer

A) True 
 B)False

Question 8

There are four activities on the critical path, and they have standard deviations of 1, 2, 4, and 2 days. The standard deviation of the critical path is:

Accepted Answer

A)  3. 
B)  5. 
C)  9. 
D)  16. 
E)  25. 
A)  3. 
B)  5. 
C)  9. 
D)  16. 
E)  25.

Question 9

Which of the following is not one of the six key decisions in project management?
(I) Selecting the project team
(II) Deciding on the project manager's title
(III) Managing and controlling project resources
(IV) Deciding which projects to implement
(V) Selecting the project manager

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  V 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  V

Question 10

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

Accepted Answer

A)  0 days 
B)  30 days 
C)  40 days 
D)  50 days 
E)  100 days 
A)  0 days 
B)  30 days 
C)  40 days 
D)  50 days 
E)  100 days

Question 11

The advantage a precedence diagram has over a Gantt chart is:

Accepted Answer

A)  its ability to reveal relationships among activities. 
B)  its difficulty in depicting networks. 
C)  its complexity. 
D)  its simplicity. 
E)  its lack of riskiness. 
A)  its ability to reveal relationships among activities. 
B)  its difficulty in depicting networks. 
C)  its complexity. 
D)  its simplicity. 
E)  its lack of riskiness.

Question 12

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

Accepted Answer

A)  0 days 
B)  25 days 
C)  35 days 
D)  45 days 
E)  85 days 
A)  0 days 
B)  25 days 
C)  35 days 
D)  45 days 
E)  85 days

Question 13

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

Accepted Answer

A)  1-3-6-7. 
B)  1-2-4-7. 
C)  1-4-7. 
D)  1-3-4-7. 
E)  1-2-5-7. 
A)  1-3-6-7. 
B)  1-2-4-7. 
C)  1-4-7. 
D)  1-3-4-7. 
E)  1-2-5-7.

Question 14

Path probabilities are calculated by dividing path mean by path standard deviations.

Accepted Answer

A) True 
 B)False

Question 15

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

Accepted Answer

A)  0 days 
B)  20 days 
C)  40 days 
D)  60 days 
E)  100 days 
A)  0 days 
B)  20 days 
C)  40 days 
D)  60 days 
E)  100 days

Question 16

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

Accepted Answer

A)  0 days 
B)  2 days 
C)  3 days 
D)  4 days 
E)  12 days 
A)  0 days 
B)  2 days 
C)  3 days 
D)  4 days 
E)  12 days

Question 17

Consider the portion of a project depicted by this graph:  
What is the latest start time of activity 6-7 if the latest finish of activity 7-8 is 26, and the latest finish of activity 7-9 is 23?

Accepted Answer

A)  18 
B)  17 
C)  13 
D)  12 
E)  10 
A)  18 
B)  17 
C)  13 
D)  12 
E)  10

Question 18

Consider the following work breakdown structure:  
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 
A)  1 days 
B)  2 days 
C)  3 days 
D)  4 days 
E)  5 days

Question 19

A disadvantage of activity-on-node diagrams is the occasional need for dummy activities.

Accepted Answer

A) True 
 B)False

Question 20

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)  when the project is one-half completed 
E)  when the team has been disbanded 
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)  when the project is one-half completed 
E)  when the team has been disbanded

Exam 23: Project Management

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

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

Concerning PERT and CPM:

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:

A project is represented by the following diagram: The expected duration of this project is:

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

The network diagram shows sequential relationships among major activities on a project.

There are four activities on the critical path, and they have standard deviations of 1, 2, 4, and 2 days. The standard deviation of the critical path is:

Which of the following is not one of the six key decisions in project management? (I) Selecting the project team (II) Deciding on the project manager's title (III) Managing and controlling project resources (IV) Deciding which projects to implement (V) Selecting the project manager

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

The advantage a precedence diagram has over a Gantt chart is:

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

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

Path probabilities are calculated by dividing path mean by path standard deviations.

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

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

Consider the portion of a project depicted by this graph: What is the latest start time of activity 6-7 if the latest finish of activity 7-8 is 26, and the latest finish of activity 7-9 is 23?

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

A disadvantage of activity-on-node diagrams is the occasional need for dummy activities.

At which point does crashing of a project cease?

Introduction to Operations Management

Competitiveness

Forecasting

Product and Service Design

RELIABILITY – Static

Strategic Capacity Planning for Products and Services

Decision Theory– Static

Process Selection and Facility Layout

Work Design and Measurement

learning curve– Static

Location Planning and Analysis

The Transportation Model– Static

Management of Quality

Quality Control

Acceptance Sampling– Static

Aggregate Planning and Master Scheduling

MRP and ERP

Inventory Management

JIT and Lean Operations

Maintenance– Static

Supply Chain Management

Scheduling

Management of Waiting Lines

Linear Programming

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