Question 1

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?

Accepted Answer

A)  The early finish for A increases to 31. 
B)  The early start time for A increases to 24. 
C)  The early finish time for B increases to 31. 
D)  The early start time for D falls to 23.

Question 2

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

Accepted Answer

A)  Resource 1 
B)  Resource 2 
C)  Resource 4 
D)  Resource 5

Question 3

Use the information in the table to create a baseline Gantt chart for the project where activity lengths are given in days. $$\begin{array} { | l | l | l | } 
\hline \text { Activity } & \text { Duration } & \text { Predecessor } \
\hline \mathrm { A } & 6 & - \
\hline \mathrm { B } & 3 & \mathrm {~A} \
\hline \mathrm { C } & 7 & \mathrm {~A} \
\hline \mathrm { D } & 5 & \mathrm {~B} \
\hline \mathrm { E } & 10 & \mathrm { C } \
\hline \mathrm { F } & 8 & \mathrm { D } , \mathrm { E } \
\hline \mathrm { G } & 6 & \mathrm {~F} \
\hline \mathrm { H } & 4 & \mathrm { G } \
\hline \mathrm { T } & 10 & \mathrm { G } \
\hline \mathrm { K } & 5 & \mathrm { H } , \mathrm { J } \
\hline
\end{array}$$

Accepted Answer

The answer of Use the information in the table to...

Question 4

Sketch a network and use it as an example as you discuss the four different logical relationships between activities.

Accepted Answer

The answer of Sketch a network and use it as...

Question 5

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 35 days? $\begin{array}{|l|l|l|l|l|l} 
& & \text { Normal } & \text { Normal } & & \
\text { Activity } & \text { Predecessor } & \text { Time } & \text { Cost } & \text { Crash Time } & \text { Crash Cost } \
\hline \mathbf{A} & -- & 3 & \$ 12,000 & 5 & \$ 22,000 \
\hline \mathrm{B} & \mathrm{A} & 12 & \$ 18,000 & 9 & \$ 32,000 \
\hline \mathrm{C} & \mathrm{A} & 15 & \$ 22,000 & 9 & \$ 62,000 \
\hline \mathrm{D} & \mathrm{B} & 3 & \$ 9,000 & & \$ 18,000 \
\hline \mathbb{E} & \mathrm{C} & 9 & \$ 15,000 & 5 & \$ 35,000 \
\hline \mathrm{F} & \mathbb{E} & 7 & \$ 5,000 & 5 & \$ 8,000 \
\hline \mathrm{G} & \mathrm{D} & 3 & \$ 13,000 & 6 & \$ 23,000 \
\hline \mathbb{H} & \mathrm{A} & 12 & \$ 20,000 & 8 & \$ 32,000 \
\hline \mathrm{J} & \mathbb{H} & 6 & \$ 45,000 & 4 & \$ 56,000 \
\hline
\end{array}$

Accepted Answer

A)  $211,500 
B)  $197,500 
C)  $203,500 
D)  $194,500

Question 6

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

Accepted Answer

A)  Between 0 and 10 
B)  Between 10 and 20 
C)  Between 20 and 30 
D)  Between 30 and 40

Question 7

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?

Accepted Answer

A)  10 minutes 
B)  15 minutes 
C)  0 minutes 
D)  5 minutes

Question 8

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

Accepted Answer

A)  Resource 4 
B)  Resource 3 
C)  Resource 1 
D)  Resource 2

Question 9

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 in 40 days? $\begin{array}{l|l|l|l|l|l} 
& & \text { Normal } & \text { Normal } & \
\text { Activity } & \text { Predecessor } & \text { Time } & \text { Cost } & \text { Crash Time } & \text { Crash Cost } \
\hline \mathbf{A} & -- & 3 & \$ 12,000 & 5 & \$ 22,000 \
\hline \mathrm{B} & \mathrm{A} & 12 & \$ 18,000 & 9 & \$ 32,000 \
\hline \mathrm{C} & \mathrm{A} & 15 & \$ 22,000 & 9 & \$ 62,000 \
\hline \mathrm{D} & \mathrm{B} & 3 & \$ 9,000 & 2 & \$ 18,000 \
\hline \mathbb{E} & \mathrm{C} & 9 & \$ 15,000 & 5 & \$ 35,000 \
\hline \mathrm{F} & \mathbb{E} & 7 & \$ 5,000 & 5 & \$ 8,000 \
\hline \mathrm{G} & \mathrm{D} & 3 & \$ 13,000 & 6 & \$ 23,000 \
\hline \mathbb{H} & \mathrm{A} & 12 & \$ 20,000 & 8 & \$ 32,000 \
\hline \mathrm{T} & \mathbb{H} & 6 & \$ 45,000 & 4 & \$ 56,000 \
\hline
\end{array}$

Accepted Answer

A)  $172,000 
B)  $218,000 
C)  $192,000 
D)  $159,000

Question 10

An activity on an arrow network:

Accepted Answer

A)  Cannot have more arrows than nodes. 
B)  Cannot have more nodes than arrows. 
C)  Has one more node than arrows. 
D)  Has one more arrow than nodes.

Question 11

What are the strengths and weaknesses of AOA and AON techniques?

Accepted Answer

The answer of What are the strengths and weaknesses of...

Question 12

The critical path of this network is:

Accepted Answer

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

Question 13

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

Accepted Answer

A)  Resource 4 
B)  Resource 2 
C)  Resource 3 
D)  Resource 5

Question 14

Networks would NOT be well suited for:

Accepted Answer

A)  Planning a construction project. 
B)  Planning a wedding. 
C)  Planning a software upgrade. 
D)  Planning monthly production.

Question 15

Determine early start and early finish times for all activities in this network.Activity duration in days appears under each arrow.

Accepted Answer

The answer of Determine early start and early finish times...

Question 16

Gantt charts can display early start or late start logic.

Accepted Answer

A) True 
 B)False

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