A) Do not have any duration value attached to them. B) Have durations equal to the length of the predecessors. C) Have durations equal to the length of the successors. D) Have durations equal to the lag needed to preserve network logic. A) Do not have any duration value attached to them. B) Have durations equal to the length of the predecessors. C) Have durations equal to the length of the successors. D) Have durations equal to the lag needed to preserve network logic.

A project has the activity duration and cost information indicated in the table where all times are in weeks.There is a penalty of $250 per week for every week the project extends beyond 32 weeks.What is the duration of the least expensive project possible? \[\begin{array} { | l | l | l | l | l | l| } \hline \text { Activity } & \begin{array} { l } \text { Narmal } \\ \text { time } \end{array} & \begin{array} { l } \text { Crash } \\ \text { time } \end{array} & \begin{array} { l } \text { Narmal } \\ \text { Cust } \end{array} & \begin{array} { l } \text { Crash } \\ \text { Cast } \end{array} & \text { Predecessar } \\ \hline \text { A } & 8 & 5 & \$ 1, 000 & 2,000 & \\ \hline B & 6 & 4 & 1,500 & 2,000 & \text { A } \\ \hline \mathrm { C } & 8 & 5 & 1,800 & 2,300 & \text { A } \\ \hline \mathrm { B } & 12 & 9 & 1,000 & 1,800 & \mathrm {~B} \\ \hline \mathrm { E } & 14 & 11 & 950 & 1,450 & \mathrm {~B} \\ \hline \mathrm { F } & 9 & 7 & 1,500 & 1,900 & \mathrm { C } , \mathrm { D } \\ \hline \mathrm { G } & 7 & 5 & 2,300 & 2,800 & \mathrm { E } , \mathrm { F } \\ \hline \end{array}\]

A) 38 weeks B) 37 weeks C) 36 weeks D) 35 weeks A) 38 weeks B) 37 weeks C) 36 weeks D) 35 weeks

A project has the activity duration and cost information indicated in the table where all times are in weeks.What is the lowest total cost for completing this project in 33 weeks? \[\begin{array} { | l | l | l | l | l | l| } \hline \text { Activity } & \begin{array} { l } \text { Narmal } \\ \text { time } \end{array} & \begin{array} { l } \text { Crash } \\ \text { time } \end{array} & \begin{array} { l } \text { Normal } \\ \text { Cost } \end{array} & \begin{array} { l } \text { Crash } \\ \text { Cost } \end{array} & \text { Predecessor } \\ \hline \text { A } & 8 & 5 & \$ , 000 & 2,000 & \\ \hline B & 6 & 4 & 1,500 & 2,000 & \text { A } \\ \hline \mathrm { C } & 8 & 5 & 1,800 & 2,300 & \text { A } \\ \hline \mathrm { B } & 12 & 9 & 1,000 & 1,800 & \mathrm {~B} \\ \hline \mathrm { E } & 14 & 11 & 950 & 1,450 & \mathrm {~B} \\ \hline \mathrm { F } & 9 & 7 & 1,500 & 1,900 & \mathrm { C } , \mathrm { D } \\ \hline \mathrm { G } & 7 & 5 & 2,300 & 2,800 & \mathrm { E } , \mathrm { F } \\ \hline \end{array}\]

$12,250 is the least expensive 33 week p

A project has the activity duration and cost information indicated in the table where all times are in weeks.What is the total cost for completing this project as quickly as possible? $\begin{array}{|l|l|l|l|l|l|} \hline \text { Activity } & \text { Predecessor } & \begin{array}{l} \text { Normal } \\ \text { Time } \end{array} & \begin{array}{l} \text { Normal } \\ \text { Cost } \end{array} & \text { Crash Time } & \text { Crash Cost } \\ \hline \text { A } &--& 8 & \$ 12,000 & 5 & \$ 22,000 \\ \hline \mathrm{B} & \text { A } & 12 & \$ 18,000 & 9 & \$ 32,000 \\ \hline \text { C } & \text { A } & 15 & \$ 22,000 & 9 & \$ 62,000 \\ \hline \mathrm{D} & \mathrm{B} & 3 & \$ 9,000 & 2& \$ 18,000 \\ \hline \mathbf{E} & \text { C } & 9 & \$ 15,000 & 5 & \$ 35,000 \\ \hline \mathrm{F} & \mathrm{E} & 7 & \$ 5,000 & 5 & \$ 8,000 \\ \hline \mathrm{G} & \mathrm{D} & 8 & \$ 13,000 & 6 & \$ 23,000 \\ \hline \mathrm{H} & \mathrm{A} & 12 & \$ 20,000 & 8 & \$ 32,000 \\ \hline \mathrm{J} & \mathrm{H} & 6 & \$ 45,000 & 4 & \$ 56,000 \\ \hline \end{array}$

A) $244,000 B) $255,600 C) $258,333 D) $262,000 A) $244,000 B) $255,600 C) $258,333 D) $262,000

Given the cost information in the table,what is the cheapest activity to crash on a per week basis? \[\begin{array} { | l | l | l | l | l | } \hline \text { Activity } & \text { Normal Time } & \text { Narmal Cost } & \text { Crash Time } & \text { Crash Cost } \\ \hline \mathrm { A } & 8 & \$ 1,000 & 5 & \$ 6,000 \\ \hline \mathrm { B }& 6 & 2,000 & 4 & 6,000 \\ \hline \mathrm { C } & 9 & 2,500 & 6 & 8,000 \\ \hline \mathrm { D } & 12 & 4,000 & 8 & 10,000 \\ \hline \end{array}\]

A) Activity A B) Activity B C) Activity C D) Activity D A) Activity A B) Activity B C) Activity C D) Activity D

A project has the activity duration and cost information indicated in the table where all times are in weeks.For every week longer than 30 weeks,there is a penalty of $300.What is the highest total cost for completing this project? \[\begin{array} { | l | l | l | l | l | l } \hline \text { Activity } & \begin{array} { l } \text { Narmal } \\ \text { time } \end{array} & \begin{array} { l } \text { Crash } \\ \text { time } \end{array} & \begin{array} { l } \text { Narmal } \\ \text { Cust } \end{array} & \begin{array} { l } \text { Crash } \\ \text { Cast } \end{array} & \text { Predecessar } \\ \hline \text { A } & 8 & 5 & \$1 , 000 & 2,000 & \\ \hline B & 6 & 4 & 1,500 & 2,000 & \text { A } \\ \hline \mathrm { C } & 8 & 5 & 1,800 & 2,300 & \text { A } \\ \hline \mathrm { B } & 12 & 9 & 1,000 & 1,800 & \mathrm {~B} \\ \hline \mathrm { E } & 14 & 11 & 950 & 1,450 & \mathrm {~B} \\ \hline \mathrm { F } & 9 & 7 & 1,500 & 1,900 & \mathrm { C } , \mathrm { D } \\ \hline \mathrm { G } & 7 & 5 & 2,300 & 2,800 & \mathrm { E } , \mathrm { F } \\ \hline \end{array}\]

A) $14,250 B) $13,950 C) $13,550 D) $13,150 A) $14,250 B) $13,950 C) $13,550 D) $13,150

It costs $75 per day for each day that a construction crew is on site.The project manager determines that most activities can be crashed and has listed the crashing costs next to the minimum time for each activity.Use this information to determine the lowest cost for this project.All times given are in days. $\begin{array}{|l|l|l|l|l|} \hline&\text { Normal }&\text {Minimum}&\text { Crash Cost }\\ \text {Activity}&\text {Time}&\text {Time}&\text { (\$/day) }& \text { Predecessor }\\ \hline \mathrm{A}& 10 & 6 & \$ 70 & -- \\ \hline\mathrm{ B} & 6 & 3 & \$ 40 & -- \\ \hline\mathrm{C} & 2 & 2 & - & \text { B } \\ \hline\mathrm{D} & 4 & 2 & \$ 60 & \text { C } \\ \hline \mathrm{E} & 6 & 4 & \$ 80 & \text { A } \\ \hline \mathrm{F} & 8 & 5 & \$ 90 & \mathrm{D}, \mathrm{ E }\\ \hline \end{array}$

A) $1,720 B) $1,750 C) $1,780 D) $1,810 A) $1,720 B) $1,750 C) $1,780 D) $1,810

Exam 10: Project Scheduling: Lagging, Crashing, and Activity Networks

Consider the Gantt chart shown below where the time scale is in minutes and all activities are performed on an early start basis.How much slack is available in The Great Hair Washing project?

(Multiple Choice)

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Question 61

An activity on an arrow network:

(Multiple Choice)

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Question 62

Dummy activities:

(Multiple Choice)

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Question 63

Research has shown that,in general:

(Multiple Choice)

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Question 64

A project has the activity duration and cost information indicated in the table where all times are in weeks.There is a penalty of $250 per week for every week the project extends beyond 32 weeks.What is the duration of the least expensive project possible? Activity Narmal time Crash time Narmal Cust Crash Cast Predecessar A 8 5 \ 1,000 2,000 B 6 4 1,500 2,000 A 8 5 1,800 2,300 A 12 9 1,000 1,800 14 11 950 1,450 9 7 1,500 1,900 , 7 5 2,300 2,800 ,

(Multiple Choice)

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Question 65

$-Use the Gantt chart and activity list to determine when resource 3 is free. \begin{array} { | l | l | l | l | } \hline \text { Activity } & \text { Resources } & \text { Activity } & \text { Resources } \\ \hline \mathrm {R }& 3 & \mathrm { M } & 1 \\ \hline \mathrm { H } & 1 & \mathrm { K } & 5 \\ \hline \mathrm {G } & 4 & \mathrm {~J} & 3 \\ \hline \mathrm { F } &2 & \mathrm { P } & 1 \\ \hline \mathrm { B } & 2 & \mathrm {S } & 2 \\ \hline \mathrm { T } & 4 & \mathrm {W} & 3 \\ \hline \end{array}$ -Use the Gantt chart and activity list to determine when resource 3 is free. Activity Resources Activity Resources 3 1 1 5 4 3 2 1 2 2 4 3

(Multiple Choice)

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Question 66

A project has the activity duration and cost information indicated in the table where all times are in weeks.What is the lowest total cost for completing this project in 33 weeks? Activity Narmal time Crash time Normal Cost Crash Cost Predecessor A 8 5 \ ,000 2,000 B 6 4 1,500 2,000 A 8 5 1,800 2,300 A 12 9 1,000 1,800 14 11 950 1,450 9 7 1,500 1,900 , 7 5 2,300 2,800 ,

(Essay)

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Question 67

A project manager ascertained that five different resources are needed to complete a project that has been estimated to last 37 days.Just to be on the safe side,the project manager told the client that the project would definitely be delivered in 40 days and 40 nights and arranged to rent the resources for that period of time.The project manager goes to the local rental center at the start of day 1 of the project,signs a 40-day lease agreement for all five resources,and brings them to the site to begin the project.Analyze the Gantt chart and resource list (activity durations are in parenthesis)and determine how much money is being wasted with this rental plan.If each resource could be rented for just the time it takes to complete each activity,what would the charge to the project be? $A project manager ascertained that five different resources are needed to complete a project that has been estimated to last 37 days.Just to be on the safe side,the project manager told the client that the project would definitely be delivered in 40 days and 40 nights and arranged to rent the resources for that period of time.The project manager goes to the local rental center at the start of day 1 of the project,signs a 40-day lease agreement for all five resources,and brings them to the site to begin the project.Analyze the Gantt chart and resource list (activity durations are in parenthesis)and determine how much money is being wasted with this rental plan.If each resource could be rented for just the time it takes to complete each activity,what would the charge to the project be? \begin{array} { | l | l | } \hline \text { Resource } & \\ \text { Nurnber } & \text { Daily Rate } \\ \hline 1 & \$ 1,000 \\ \hline 2 & \$ 1,200 \\ \hline 3 & \$ 500 \\ \hline 4 & \$ 750 \\ \hline 5 & \$ 800 \\ \hline \end{array} \begin{array} { | l | l | l | l | } \hline \text { Activity } & \text { Length } & \text { Activity } & \text { Length } \\ \hline \mathrm { H } & 3 & \mathrm {S } & 3 \\ \hline \mathrm { M } & 9 & \mathrm {~J} & 1 \\ \hline \mathrm { P } & 6 & \mathrm {~W} & 4 \\ \hline \mathrm {B } & 7 &\mathrm { T }& 4 \\ \hline \mathrm { R } & 9 & \mathrm { G } & 4 \\ \hline \mathrm { F } & 5 &\mathrm {K } & 10 \\ \hline \end{array}$ Resource Nurnber Daily Rate 1 \ 1,000 2 \ 1,200 3 \ 500 4 \ 750 5 \ 800 Activity Length Activity Length 3 3 9 1 6 4 7 4 9 4 5 10

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Question 68

A project has the activity duration and cost information indicated in the table where all times are in weeks.What is the total cost for completing this project as quickly as possible? Activity Predecessor Normal Time Normal Cost Crash Time Crash Cost A -- 8 \ 12,000 5 \ 22,000 A 12 \ 18,000 9 \ 32,000 C A 15 \ 22,000 9 \ 62,000 3 \ 9,000 2 \ 18,000 C 9 \ 15,000 5 \ 35,000 7 \ 5,000 5 \ 8,000 8 \ 13,000 6 \ 23,000 12 \ 20,000 8 \ 32,000 6 \ 45,000 4 \ 56,000

(Multiple Choice)

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Question 69

Given the cost information in the table,what is the cheapest activity to crash on a per week basis? Activity Normal Time Narmal Cost Crash Time Crash Cost 8 \ 1,000 5 \ 6,000 6 2,000 4 6,000 9 2,500 6 8,000 12 4,000 8 10,000

(Multiple Choice)

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Question 70

Activities A and B have a finish to finish relationship and early start and finish times as shown.What is the result of incorporating a 4-day lag between activities C and B?

(Multiple Choice)

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Question 71

$-Use the Gantt chart and the activity list to determine which resource is free for use in another project before the others. \begin{array} { | l | l | l | l | } \hline \text { Activity } & \text { Resources } & \text { Activity } & \text { Resources } \\ \hline\mathrm { A } & 1 & F & 2 \\ \hline\mathrm { B }& 3 &\mathrm { G } & 3 \\ \hline \mathrm { C } & 4 & \mathrm { H } & 4 \\ \hline \mathrm { D } & 2 & \mathrm {~J} & 5 \\ \hline \mathrm { E } & 2 & \mathrm { K} & 1 \\ \hline \end{array}$ -Use the Gantt chart and the activity list to determine which resource is free for use in another project before the others. Activity Resources Activity Resources 1 F 2 3 3 4 4 2 5 2 1

(Multiple Choice)

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Question 72

A finish to start lag delay is usually shown:

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Question 73

Activity X has the start to finish relationship shown with activity Y and both have early start and finish times as shown.Which statement is BEST?

(Multiple Choice)

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Question 74

Most activity estimations using PERT methods lead to overly optimistic activity duration estimates.

(True/False)

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Question 75

A project has the activity duration and cost information indicated in the table where all times are in weeks.For every week longer than 30 weeks,there is a penalty of $300.What is the highest total cost for completing this project? Activity Narmal time Crash time Narmal Cust Crash Cast Predecessar A 8 5 \1 ,000 2,000 B 6 4 1,500 2,000 A 8 5 1,800 2,300 A 12 9 1,000 1,800 14 11 950 1,450 9 7 1,500 1,900 , 7 5 2,300 2,800 ,

(Multiple Choice)

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Question 76

When involved in a project involving many subcontractors:

(Multiple Choice)

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Question 77

It costs $75 per day for each day that a construction crew is on site.The project manager determines that most activities can be crashed and has listed the crashing costs next to the minimum time for each activity.Use this information to determine the lowest cost for this project.All times given are in days. Normal Minimum Crash Cost Activity Time Time ( \/ day) Predecessor 10 6 \ 70 -- 6 3 \ 40 -- 2 2 - B 4 2 \ 60 C 6 4 \ 80 A 8 5 \ 90 ,

(Multiple Choice)

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Question 78

In order to accelerate completion of a project,the manager must crash critical path activities.

(True/False)

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Question 79

Networks would NOT be well suited for:

(Multiple Choice)

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Question 80

Showing 61 - 80 of 96

Consider the Gantt chart shown below where the time scale is in minutes and all activities are performed on an early start basis.How much slack is available in The Great Hair Washing project?

An activity on an arrow network:

Dummy activities:

Research has shown that,in general:

Given the cost information in the table,what is the cheapest activity to crash on a per week basis? Activity Normal Time Narmal Cost Crash Time Crash Cost 8 \ 1,000 5 \ 6,000 6 2,000 4 6,000 9 2,500 6 8,000 12 4,000 8 10,000

Activities A and B have a finish to finish relationship and early start and finish times as shown.What is the result of incorporating a 4-day lag between activities C and B?

A finish to start lag delay is usually shown:

Activity X has the start to finish relationship shown with activity Y and both have early start and finish times as shown.Which statement is BEST?

Most activity estimations using PERT methods lead to overly optimistic activity duration estimates.

When involved in a project involving many subcontractors:

In order to accelerate completion of a project,the manager must crash critical path activities.

Networks would NOT be well suited for:

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: Networks, Duration Estimation, and Critical Path

Advanced Topics in Planning and Scheduling: Agile and Critical Chain

Resource Management

Project Evaluation and Control

Project Closeout and Termination

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