Question 1

A(n)________ is an organization formed to ensure that programs (projects)receive the proper management and attention.

Accepted Answer

project or

Question 2

A PERT project has 45 activities,19 of which are on the critical path.The estimated time for the critical path is 120 days.The sum of all activity variances is 64,while the sum of variances along the critical path is 36.What is the probability that the project can be completed between days 108 and 120?

Accepted Answer

A) -2.00 
B) 0.0227 
C) 0.1058 
D) 0.4773 
E) 0.9773 
A) -2.00 
B) 0.0227 
C) 0.1058 
D) 0.4773 
E) 0.9773

Question 3

In project management,crashing an activity must consider the impact on all paths in the network.

Accepted Answer

A) True 
 B)False

Question 4

What is the objective of critical path analysis?

Accepted Answer

Critical path analysis determines the lo

Question 5

An activity on a PERT network has these time estimates: optimistic = 2,most likely = 5,and pessimistic = 10.What is its expected activity time?

Accepted Answer

A) 5.00 
B) 5.33 
C) 5.67 
D) 10.67 
E) 32.00 
A) 5.00 
B) 5.33 
C) 5.67 
D) 10.67 
E) 32.00

Question 6

Which of the following statements regarding time-cost tradeoffs in CPM networks is false?

Accepted Answer

A) Crashing shortens project duration by assigning more resources to critical tasks. 
B) Crashing sometimes has the reverse result of lengthening the project duration. 
C) Crashing must consider the impact of crashing an activity on all paths in the network. 
D) Activities not on the critical path can become critical after crashing takes place. 
E) A negative crash cost per period would imply that either crashing is cheaper than not crashing or that the crash time was slower than the normal time. 
A) Crashing shortens project duration by assigning more resources to critical tasks. 
B) Crashing sometimes has the reverse result of lengthening the project duration. 
C) Crashing must consider the impact of crashing an activity on all paths in the network. 
D) Activities not on the critical path can become critical after crashing takes place. 
E) A negative crash cost per period would imply that either crashing is cheaper than not crashing or that the crash time was slower than the normal time.

Question 7

Shortening the project's duration by deleting unnecessary activities is called "project crashing."

Accepted Answer

A) True 
 B)False

Question 8

Draw the AOA and AON networks for the following project and calculate the minimum project duration.

Accepted Answer

AON @#IMG-DLM& AOA @#IMG-DLM& Minimum du

Question 9

The ________ distribution is used by PERT analysis to calculate expected activity times and variances.

Accepted Answer

A) Normal 
B) Beta 
C) Alpha 
D) Gaussian 
E) Binomial 
A) Normal 
B) Beta 
C) Alpha 
D) Gaussian 
E) Binomial

Question 10

Which of these statements regarding time-cost tradeoffs in CPM networks is true?

Accepted Answer

A) Crashing is not possible unless there are multiple critical paths. 
B) Crashing a project often reduces the length of long-duration,but noncritical,activities. 
C) Activities not on the critical path can never be on the critical path,even after crashing. 
D) Crashing shortens the project duration by assigning more resources to one or more of the critical tasks. 
E) The crash time always exceeds the normal time. 
A) Crashing is not possible unless there are multiple critical paths. 
B) Crashing a project often reduces the length of long-duration,but noncritical,activities. 
C) Activities not on the critical path can never be on the critical path,even after crashing. 
D) Crashing shortens the project duration by assigning more resources to one or more of the critical tasks. 
E) The crash time always exceeds the normal time.

Question 11

A network consists of the following list.Times are given in weeks.
   a.Draw the network diagram.
b.Which activities form the critical path?
c.How much slack exists at activities A and F?
d.What is the duration of the critical path?

Accepted Answer

(a)Network diagram @#IMG-DLM& (b)paths A

Question 12

One responsibility of a project manager is to make sure that the project meets its quality goals.

Accepted Answer

A) True 
 B)False

Question 13

An activity on a PERT network has these time estimates: optimistic = 2,most likely = 3,and pessimistic = 8.What is its expected activity time and variance?

Accepted Answer

A) 3.67; 1 
B) 3.67; 6 
C) 4.33; 1 
D) 4.33; 6 
E) none of the above 
A) 3.67; 1 
B) 3.67; 6 
C) 4.33; 1 
D) 4.33; 6 
E) none of the above

Question 14

What is the basic difference between PERT and CPM?

Accepted Answer

The basic difference between P

Question 15

________ is the amount of time an individual activity in a network can be delayed without delaying the entire project.

Accepted Answer

The answer of ________ is the amount of time an...

Question 16

One phase of a large project is scheduling.

Accepted Answer

A) True 
 B)False

Question 17

The main difference between PERT and CPM is that:

Accepted Answer

A) PERT is more accurate than CPM. 
B) PERT assumes that activity durations are known. 
C) PERT ignores activity costs. 
D) CPM assumes activity durations can vary. 
E) PERT employs three time estimates for each activity. 
A) PERT is more accurate than CPM. 
B) PERT assumes that activity durations are known. 
C) PERT ignores activity costs. 
D) CPM assumes activity durations can vary. 
E) PERT employs three time estimates for each activity.

Question 18

A network consists of the following list.Times are given in weeks.
   a.Draw the network diagram.
b.Calculate the expected duration and variance of each activity.
c.Calculate the expected duration and variance of the critical path.
d.Calculate the probability that the project will be completed in less than 28 weeks.

Accepted Answer

(a) @#IMG-DLM& (b,c) @#IMG-DLM& (d)z = (

Question 19

The ________ is the computed longest time path(s)through a network.

Accepted Answer

The answer of The ________ is the computed longest time...

Question 20

A simple CPM network has three activities,D,E,and F.D is an immediate predecessor of E and of F.E is an immediate predecessor of F.The activity durations are D=4,E=3,F=8.

Accepted Answer

A) The critical path is D-E-F,duration 15. 
B) The critical path is D-F,duration 12. 
C) Slack at D is 3 periods. 
D) Slack at E is 3 periods. 
E) Both A and C are true. 
A) The critical path is D-E-F,duration 15. 
B) The critical path is D-F,duration 12. 
C) Slack at D is 3 periods. 
D) Slack at E is 3 periods. 
E) Both A and C are true.

Exam 3: Project Management

A(n)________ is an organization formed to ensure that programs (projects)receive the proper management and attention.

In project management,crashing an activity must consider the impact on all paths in the network.

What is the objective of critical path analysis?

An activity on a PERT network has these time estimates: optimistic = 2,most likely = 5,and pessimistic = 10.What is its expected activity time?

Which of the following statements regarding time-cost tradeoffs in CPM networks is false?

Shortening the project's duration by deleting unnecessary activities is called "project crashing."

Draw the AOA and AON networks for the following project and calculate the minimum project duration.

The ________ distribution is used by PERT analysis to calculate expected activity times and variances.

Which of these statements regarding time-cost tradeoffs in CPM networks is true?

A network consists of the following list.Times are given in weeks. a.Draw the network diagram. b.Which activities form the critical path? c.How much slack exists at activities A and F? d.What is the duration of the critical path?

One responsibility of a project manager is to make sure that the project meets its quality goals.

An activity on a PERT network has these time estimates: optimistic = 2,most likely = 3,and pessimistic = 8.What is its expected activity time and variance?

What is the basic difference between PERT and CPM?

________ is the amount of time an individual activity in a network can be delayed without delaying the entire project.

One phase of a large project is scheduling.

The main difference between PERT and CPM is that:

The ________ is the computed longest time path(s)through a network.

A simple CPM network has three activities,D,E,and F.D is an immediate predecessor of E and of F.E is an immediate predecessor of F.The activity durations are D=4,E=3,F=8.

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