Question 1

Activities K,M and S immediately follow activity H,and their latest start times are 14,18,and 11.The latest finish time for activity H

Accepted Answer

A) is 11. 
B) is 14. 
C) is 18. 
D) cannot be determined. 
A) is 11. 
B) is 14. 
C) is 18. 
D) cannot be determined.

Question 2

Activities G,P,and R are the immediate predecessors for activity W.If the earliest finish times for the three are 12,15,and 10,then the earliest start time for W

Accepted Answer

A) is 10. 
B) is 12. 
C) is 15. 
D) cannot be determined. 
A) is 10. 
B) is 12. 
C) is 15. 
D) cannot be determined.

Question 3

Use the following network of related activities with their duration times (weeks)to complete a row for each activity under the column headings below.

Accepted Answer

CRITICAL PATH: A-D-H-J
PROJECT COMPLETIO

Question 4

A project has the following activities,durations,costs,and precedence relationships:
 $$\begin{array} { c c c c c c } 
\hline \text { Activity } & \begin{array} { c } 
\text { Present } \
\text { Duration } \
\text { (Weeks) }
\end{array} & \begin{array} { c } 
\text { Accelerated } \
\text { Duration } \
\text { (Weeks) }
\end{array} & \begin{array} { c } 
\text { Immediate } \
\text { Predecessor } \
\text { Activities }
\end{array} & \begin{array} { c } 
\text { Present } \
\text { Cost }
\end{array} & \begin{array} { c } 
\text { Accelerated } \
\text { Cost }
\end{array} \
\hline \text { A } & 10 & 9 & - & \$ 11,000 & \$ 15,000 \
\text { B } & 15 & 13 & - & 20,000 & 25,000 \
\text { C } & 10 & 6 & \text { A } & 9,000 & 20,000 \
\text { D } & 20 & 18 & \text { A } & 25,000 & 30,000 \
\text { E } & 15 & 10 & \text { C } & 20,000 & 35,000 \
\text { F } & 17 & 15 & \text { B } & 20,000 & 30,000 \
\text { G } & 12 & 10 & \text { B } & 15,000 & 25,000 \
\text { H } & 9 & 8 & \text { D,F } & 12,000 & 18,000 \
\text { I } & 7 & 6 & \text { G,H } & 10,000 & 15,000 \
\hline \hline
\end{array}$$ Develop a cost-time trade-off analysis.Detail the steps that you would use to accelerate or crash the project to its minimum duration at the lowest cost.Determine each step's cost and the duration of the project.

Accepted Answer

​
​
​
 \[\begin{array} { c c c c c c }

Question 5

To determine how to crash activity times

Accepted Answer

A) normal activity costs and costs under maximum crashing must be known. 
B) shortest times with crashing must be known. 
C) realize that new paths may become critical. 
D) All of the alternatives are true. 
A) normal activity costs and costs under maximum crashing must be known. 
B) shortest times with crashing must be known. 
C) realize that new paths may become critical. 
D) All of the alternatives are true.

Question 6

In deciding which activities to crash,one must

Accepted Answer

A) crash all critical activities. 
B) crash largest-duration activities. 
C) crash lowest-cost activities. 
D) crash activities on the critical path(s)only. 
A) crash all critical activities. 
B) crash largest-duration activities. 
C) crash lowest-cost activities. 
D) crash activities on the critical path(s)only.

Question 7

To calculate an activity's latest finish time,you should consider its

Accepted Answer

A) predecessors' latest finish times 
B) predecessors' latest start times 
C) successors' earliest start times 
D) successors' latest start times 
A) predecessors' latest finish times 
B) predecessors' latest start times 
C) successors' earliest start times 
D) successors' latest start times

Question 8

When activity times are uncertain,an activity's most likely time is the same as its expected time.

Accepted Answer

A) True 
 B)False

Question 9

When activity times are uncertain,

Accepted Answer

A) assume they are normally distributed. 
B) calculate the expected time,using (a + 4m + b)/6. 
C) use the most likely time. 
D) calculate the expected time,using (a + m + b)/3. 
A) assume they are normally distributed. 
B) calculate the expected time,using (a + 4m + b)/6. 
C) use the most likely time. 
D) calculate the expected time,using (a + m + b)/3.

Question 10

A senior MIS design class project team has developed the following schedule of activities for their project,using their best estimate of completion times.Both written and oral reports are required.Draw the project network.Can they complete the project in the 38 class days remaining until the end of the semester?

Accepted Answer

​
 @#IMG-DLM& ​and t

Question 11

For an activity with more than one immediate predecessor activity,which of the following is used to compute its earliest finish (EF)time?

Accepted Answer

A) the largest EF among the immediate predecessors. 
B) the average EF among the immediate predecessors. 
C) the largest LF among the immediate predecessors. 
D) the difference in EF among the immediate predecessors. 
A) the largest EF among the immediate predecessors. 
B) the average EF among the immediate predecessors. 
C) the largest LF among the immediate predecessors. 
D) the difference in EF among the immediate predecessors.

Question 12

PERT and CPM

Accepted Answer

A) are most valuable when a small number of activities must be scheduled. 
B) have different features and are not applied to the same situation. 
C) do not require a chronological relationship among activities. 
D) have been combined to develop a procedure that uses the best of each. 
A) are most valuable when a small number of activities must be scheduled. 
B) have different features and are not applied to the same situation. 
C) do not require a chronological relationship among activities. 
D) have been combined to develop a procedure that uses the best of each.

Question 13

​In PERT,the activity duration time is equal to the ​

Accepted Answer

A) ​pessimistic time. 
B) ​optimistic time. 
C) ​most likely time. 
D) ​mean duration. 
A) ​pessimistic time. 
B) ​optimistic time. 
C) ​most likely time. 
D) ​mean duration.

Question 14

The critical path

Accepted Answer

A) is any path that goes from the starting node to the completion node. 
B) is a combination of all paths. 
C) is the shortest path. 
D) is the longest path. 
A) is any path that goes from the starting node to the completion node. 
B) is a combination of all paths. 
C) is the shortest path. 
D) is the longest path.

Question 15

Use the following network of related activities with their duration times (weeks)to complete a row for each activity under the column headings below.
   $$\begin{array} { | c | c | c | c | c | c | c | c | c | } 
\hline \text { Actirity } & \begin{array} { c } 
\text { Immediate } \
\text { Predecessors }
\end{array} & \begin{array} { c } 
\text { Activity } \
\text { Time (weeks) }
\end{array} & E S & L S & E F & L F & \text { Slack } & \begin{array} { c } 
\text { Critical } \
\text { Path? }
\end{array} \
\hline \mathrm { A } & & & & & & & & \
\hline \mathrm { B } & & & & & & & & \
\hline \mathrm { C } & & & & & & & & \
\hline \mathrm { D } & & & & & & & & \
\hline \mathrm { E } & & & & & & & & \
\hline \mathrm { F } & & & & & & & & \
\hline \mathrm { G } & & & & & & & & \
\hline \mathrm { H } & & & & & & & & \
\hline
\end{array}$$

Accepted Answer

CRITICAL PATH: A-D-G
PROJECT COMPLETION

Question 16

Critical activities are those that can be delayed without delaying the entire project.

Accepted Answer

A) True 
 B)False

Question 17

It is possible to have more than one critical path at a time.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following is a general rule for crashing activities?

Accepted Answer

A) Crash only non-critical activities. 
B) Crash activities with zero slack. 
C) Crash activities with the greatest number of predecessors. 
D) Crash the path with the fewest activities. 
A) Crash only non-critical activities. 
B) Crash activities with zero slack. 
C) Crash activities with the greatest number of predecessors. 
D) Crash the path with the fewest activities.

Question 19

​The normal distribution tends to be a better approximation of the distribution of total time for shorter projects where the critical path has relatively few activities.

Accepted Answer

A) True 
 B)False

Question 20

A project network is shown below.Use a forward and a backward pass to determine the critical path,and then fill out the table below.Activity times are in weeks.
   Now assume that the times listed are only the expected times instead of being fixed times.Is the probability of being finished in more than 28 weeks more or less than 50%?

Accepted Answer

The probability is less than 50% because

Activities K,M and S immediately follow activity H,and their latest start times are 14,18,and 11.The latest finish time for activity H

Activities G,P,and R are the immediate predecessors for activity W.If the earliest finish times for the three are 12,15,and 10,then the earliest start time for W

Use the following network of related activities with their duration times (weeks)to complete a row for each activity under the column headings below.

To determine how to crash activity times

In deciding which activities to crash,one must

To calculate an activity's latest finish time,you should consider its

When activity times are uncertain,an activity's most likely time is the same as its expected time.

When activity times are uncertain,

For an activity with more than one immediate predecessor activity,which of the following is used to compute its earliest finish (EF)time?

PERT and CPM

In PERT,the activity duration time is equal to the

The critical path

Critical activities are those that can be delayed without delaying the entire project.

It is possible to have more than one critical path at a time.

Which of the following is a general rule for crashing activities?

The normal distribution tends to be a better approximation of the distribution of total time for shorter projects where the critical path has relatively few activities.

Introduction

Introduction to Probability

Probability Distributions

Decision Analysis

Utility Game Theory

Time Series Analysis Forecasting

Intro to Linear Programming

LP Sensitivity Analysis

LP Applications

Distribution Network Models

Integer Linear Programming

Advanced Optimization Applications

Inventory Models

Waiting Line Models

Simulation

Markov Processes

Filters

Exam 13: Project Scheduling

Activities K,M and S immediately follow activity H,and their latest start times are 14,18,and 11.The latest finish time for activity H

Activities G,P,and R are the immediate predecessors for activity W.If the earliest finish times for the three are 12,15,and 10,then the earliest start time for W

Use the following network of related activities with their duration times (weeks)to complete a row for each activity under the column headings below.

To determine how to crash activity times

In deciding which activities to crash,one must

To calculate an activity's latest finish time,you should consider its

When activity times are uncertain,an activity's most likely time is the same as its expected time.

When activity times are uncertain,

For an activity with more than one immediate predecessor activity,which of the following is used to compute its earliest finish (EF)time?

PERT and CPM

​In PERT,the activity duration time is equal to the ​

The critical path

Use the following network of related activities with their duration times (weeks)to complete a row for each activity under the column headings below. Actirity Immediate Predecessors Activity Time (weeks) ES LS EF LF Slack Critical Path?

Critical activities are those that can be delayed without delaying the entire project.

It is possible to have more than one critical path at a time.

Which of the following is a general rule for crashing activities?

​The normal distribution tends to be a better approximation of the distribution of total time for shorter projects where the critical path has relatively few activities.

Introduction

Introduction to Probability

Probability Distributions

Decision Analysis

Utility Game Theory

Time Series Analysis Forecasting

Intro to Linear Programming

LP Sensitivity Analysis

LP Applications

Distribution Network Models

Integer Linear Programming

Advanced Optimization Applications

Inventory Models

Waiting Line Models

Simulation

Markov Processes

Filters

In PERT,the activity duration time is equal to the

The normal distribution tends to be a better approximation of the distribution of total time for shorter projects where the critical path has relatively few activities.