Question 1

You must know the mean of an activity in order to determine its standard deviation.

Accepted Answer

A) True 
 B)False

Question 2

An activity has an optimistic time estimate of 15 days, a most likely estimate of 24 days, and a pessimistic estimate of 40 days. What is the variance of the activity?

Accepted Answer

A)  4.17 
B)  25.17 
C)  17.36 
D)  10.33 
A)  4.17 
B)  25.17 
C)  17.36 
D)  10.33

Question 3

Use the network diagram and activity lengths in the nodes to determine the late start time for activity F.

Accepted Answer

A)  21 
B)  24 
C)  26 
D)  23 
A)  21 
B)  24 
C)  26 
D)  23

Question 4

In order to reduce the length of a project, it would be wise to shorten:

Accepted Answer

A)  the project activity that costs the least to speed up. 
B)  the project activity that can be speeded up by the greatest amount. 
C)  the critical path activity that can be speeded up by the greatest amount. 
D)  the critical path activity that costs the least to speed up. 
A)  the project activity that costs the least to speed up. 
B)  the project activity that can be speeded up by the greatest amount. 
C)  the critical path activity that can be speeded up by the greatest amount. 
D)  the critical path activity that costs the least to speed up.

Question 5

These can be located by doing a backward pass through a network.

Accepted Answer

A)  critical paths 
B)  merge activities 
C)  successors 
D)  burst activities 
A)  critical paths 
B)  merge activities 
C)  successors 
D)  burst activities

Question 6

What is the slack time for Activity B given the activity times and precedence requirements shown in the table?

Accepted Answer

A)  7 
B)  6 
C)  5 
D)  4 
A)  7 
B)  6 
C)  5 
D)  4

Question 7

Use the network diagram and activity lengths in the nodes to determine the late finish time for activity C.

Accepted Answer

A)  12 
B)  13 
C)  14 
D)  15 
A)  12 
B)  13 
C)  14 
D)  15

Question 8

What is the slack time for activity E?

Accepted Answer

A)  1 day 
B)  0 days 
C)  2 days 
D)  4 days 
A)  1 day 
B)  0 days 
C)  2 days 
D)  4 days

Question 9

Use the information in the table to determine the late start time for Activity E.

Accepted Answer

A)  day 23 
B)  day 26 
C)  day 32 
D)  day 17 
A)  day 23 
B)  day 26 
C)  day 32 
D)  day 17

Question 10

A project has the precedence requirements and activity durations shown in the table. After he draws the network, the project manager decides that activities H and I can be represented by a hammock activity. What are the early start and late finish times associated with this hammock activity?

Accepted Answer

A)  13, 36 
B)  13, 24 
C)  24, 36 
D)  7, 36 
A)  13, 36 
B)  13, 24 
C)  24, 36 
D)  7, 36

Question 11

A project's duration can be reduced by:

Accepted Answer

A)  shortening the duration of critical path tasks. 
B)  adding tasks to the critical path. 
C)  adding shorter routes around the critical path. 
D)  completing the backward pass first. 
A)  shortening the duration of critical path tasks. 
B)  adding tasks to the critical path. 
C)  adding shorter routes around the critical path. 
D)  completing the backward pass first.

Question 12

In general, the better candidates for shortening are:

Accepted Answer

A)  early tasks opposed to later tasks. 
B)  later tasks opposed to early tasks. 
C)  merge tasks opposed to burst tasks. 
D)  burst tasks opposed to merge tasks. 
A)  early tasks opposed to later tasks. 
B)  later tasks opposed to early tasks. 
C)  merge tasks opposed to burst tasks. 
D)  burst tasks opposed to merge tasks.

Question 13

Activities C, D, and E in the project represented by the network are to be hammocked. What are the early start and late finish times of the hammock activity?

Accepted Answer

A)  6, 20 
B)  6, 26 
C)  9, 20 
D)  9, 26 
A)  6, 20 
B)  6, 26 
C)  9, 20 
D)  9, 26

Question 14

Ray's shipment of materials hit every red light and traffic jam on the way to the site. Upon arrival, half of the material was judged defective, necessitating a trip back to the supplier, and then the same arduous journey back to the site once the new materials were loaded. Traffic was a little better on the second round but the flat tire and subsequent repair caused as much if not more delay than the first trip. In the final analysis:

Accepted Answer

A)  the project activity of Material Delivery was pretty close to the optimistic estimate. 
B)  the project activity of Material Delivery was pretty close to the most likely estimate. 
C)  the project activity of Material Delivery had a much higher variance than anticipated. 
D)  the project activity of Material Delivery was pretty close to the pessimistic estimate. 
A)  the project activity of Material Delivery was pretty close to the optimistic estimate. 
B)  the project activity of Material Delivery was pretty close to the most likely estimate. 
C)  the project activity of Material Delivery had a much higher variance than anticipated. 
D)  the project activity of Material Delivery was pretty close to the pessimistic estimate.

Question 15

Laddering is a technique that allows the project manager to redraw the network to more closely sequence project subtasks to make the overall network sequence more efficient.

Accepted Answer

A) True 
 B)False

Question 16

Activities C, D, and E in the project represented by the network are to be hammocked. What are the late start and early finish times of the hammock activity?

Accepted Answer

A)  6, 24 
B)  6, 26 
C)  8, 24 
D)  8, 26 
A)  6, 24 
B)  6, 26 
C)  8, 24 
D)  8, 26

Question 17

__________ activities have two or more immediate predecessors.

Accepted Answer

The answer of __________ activities have two or more immediate...

Question 18

__________ activities can be used as summaries for some subsets of the activities identified in the overall project network.

Accepted Answer

The answer of __________ activities can be used as summaries...

Question 19

Preceding activities are those that must occur before others can be done.

Accepted Answer

A) True 
 B)False

Question 20

The overall effect of laddering activities is to:

Accepted Answer

A)  streamline the linkage and sequencing between activities and keep project resources fully employed. 
B)  summarize some subsets of the activities identified in the overall project network. 
C)  allow the project team to disaggregate the overall project network into logical summaries. 
D)  allow the project manager to more fully deploy resources and complete the project with zero slack. 
A)  streamline the linkage and sequencing between activities and keep project resources fully employed. 
B)  summarize some subsets of the activities identified in the overall project network. 
C)  allow the project team to disaggregate the overall project network into logical summaries. 
D)  allow the project manager to more fully deploy resources and complete the project with zero slack.

You must know the mean of an activity in order to determine its standard deviation.

An activity has an optimistic time estimate of 15 days, a most likely estimate of 24 days, and a pessimistic estimate of 40 days. What is the variance of the activity?

Use the network diagram and activity lengths in the nodes to determine the late start time for activity F.

In order to reduce the length of a project, it would be wise to shorten:

These can be located by doing a backward pass through a network.

What is the slack time for Activity B given the activity times and precedence requirements shown in the table?

Use the network diagram and activity lengths in the nodes to determine the late finish time for activity C.

What is the slack time for activity E?

Use the information in the table to determine the late start time for Activity E.

A project has the precedence requirements and activity durations shown in the table. After he draws the network, the project manager decides that activities H and I can be represented by a hammock activity. What are the early start and late finish times associated with this hammock activity?

A project's duration can be reduced by:

In general, the better candidates for shortening are:

Activities C, D, and E in the project represented by the network are to be hammocked. What are the early start and late finish times of the hammock activity?

Laddering is a technique that allows the project manager to redraw the network to more closely sequence project subtasks to make the overall network sequence more efficient.

Activities C, D, and E in the project represented by the network are to be hammocked. What are the late start and early finish times of the hammock activity?

__________ activities have two or more immediate predecessors.

__________ activities can be used as summaries for some subsets of the activities identified in the overall project network.

Preceding activities are those that must occur before others can be done.

The overall effect of laddering activities is to:

Introduction: Why Project Management

The Organizational Context: Strategy, Structure, and Culture

Project Selection and Portfolio Management

Leadership and the Project Manager

Scope Management

Project Team Building, Conflict, and Negotiation

Risk Management

Cost Estimation and Budgeting

Project Scheduling: Lagging, Crashing, and Activity Networks

Critical Chain Project Scheduling

Resource Management

Project Evaluation and Control

Project Closeout and Termination

Filters

Exam 9: Project Scheduling: Networks, Duration Estimation, and Critical Path

You must know the mean of an activity in order to determine its standard deviation.

An activity has an optimistic time estimate of 15 days, a most likely estimate of 24 days, and a pessimistic estimate of 40 days. What is the variance of the activity?

Use the network diagram and activity lengths in the nodes to determine the late start time for activity F.

In order to reduce the length of a project, it would be wise to shorten:

These can be located by doing a backward pass through a network.

What is the slack time for Activity B given the activity times and precedence requirements shown in the table?

Use the network diagram and activity lengths in the nodes to determine the late finish time for activity C.

What is the slack time for activity E?

Use the information in the table to determine the late start time for Activity E.

A project has the precedence requirements and activity durations shown in the table. After he draws the network, the project manager decides that activities H and I can be represented by a hammock activity. What are the early start and late finish times associated with this hammock activity?

A project's duration can be reduced by:

In general, the better candidates for shortening are:

Activities C, D, and E in the project represented by the network are to be hammocked. What are the early start and late finish times of the hammock activity?

Laddering is a technique that allows the project manager to redraw the network to more closely sequence project subtasks to make the overall network sequence more efficient.

Activities C, D, and E in the project represented by the network are to be hammocked. What are the late start and early finish times of the hammock activity?

__________ activities have two or more immediate predecessors.

__________ activities can be used as summaries for some subsets of the activities identified in the overall project network.

Preceding activities are those that must occur before others can be done.

The overall effect of laddering activities is to:

Introduction: Why Project Management

The Organizational Context: Strategy, Structure, and Culture

Project Selection and Portfolio Management

Leadership and the Project Manager

Scope Management

Project Team Building, Conflict, and Negotiation

Risk Management

Cost Estimation and Budgeting

Project Scheduling: Lagging, Crashing, and Activity Networks

Critical Chain Project Scheduling

Resource Management

Project Evaluation and Control

Project Closeout and Termination

Filters