Question 1

Which of the following is NOT a limitation of PERT?

Accepted Answer

A) Project activities have to be clearly defined,independent,and stable in their relationships. 
B) Precedence relationships must be specified and networked together. 
C) Only one time estimate can be used for each activity. 
D) Time estimates tend to be subjective and are subject to fudging by managers. 
E) There is the inherent danger of placing too much emphasis on the critical path. 
A) Project activities have to be clearly defined,independent,and stable in their relationships. 
B) Precedence relationships must be specified and networked together. 
C) Only one time estimate can be used for each activity. 
D) Time estimates tend to be subjective and are subject to fudging by managers. 
E) There is the inherent danger of placing too much emphasis on the critical path.

Question 2

Work breakdown structure is a useful tool in project management because it addresses the timing of individual work elements.

Accepted Answer

A) True 
 B)False

Question 3

Every network has at least one critical path.

Accepted Answer

A) True 
 B)False

Question 4

Identify the responsibilities of project managers.

Accepted Answer

Project managers are directly responsibl

Question 5

Ethical issues that can arise in projects include gifts from contractors,pressure to mask delays with false status reports,and pressure to compromise project quality to meet bonuses or avoid penalties related to schedules.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following statements regarding PERT times is true?

Accepted Answer

A) The optimistic time estimate is an estimate of the minimum time an activity will require. 
B) The optimistic time estimate is an estimate of the maximum time an activity will require. 
C) The expected time estimate is calculated as t = (a + 4m + b). 
D) The pessimistic time estimate is an estimate of the minimum time an activity will require. 
E) The most likely time estimate is an estimate of the maximum time an activity will require. 
A) The optimistic time estimate is an estimate of the minimum time an activity will require. 
B) The optimistic time estimate is an estimate of the maximum time an activity will require. 
C) The expected time estimate is calculated as t = (a + 4m + b). 
D) The pessimistic time estimate is an estimate of the minimum time an activity will require. 
E) The most likely time estimate is an estimate of the maximum time an activity will require.

Question 7

The network below represents a project being analyzed by the critical path method.Activity durations are indicated on the network.   a.Identify the activities on the critical path.
b.What is the duration of the critical path?
c.Calculate the amount of slack time at activity H.
d.If activity I were delayed by ten time units,what would be the impact on the project duration?

Accepted Answer

(a)Critical activities are A-C

Question 8

What are the earliest activity start time and latest activity start time,and how are they computed?

Accepted Answer

The earliest start time (ES)is the earli

Question 9

A contractor's project being analyzed by PERT has an estimated time for the critical path of 120 days.The sum of all activity variances is 81; the sum of variances along the critical path is 64.What is the probability that the project will take 130 or more days to complete?

Accepted Answer

A) 0.1057 
B) 0.1335 
C) 0.8512 
D) 0.8943 
E) 1.29 
A) 0.1057 
B) 0.1335 
C) 0.8512 
D) 0.8943 
E) 1.29

Question 10

Consider the network described in the table below.
   a.Calculate the expected duration of each activity.
b.Calculate the expected duration and variance of the critical path.
c.Calculate the probability that the project will be completed in fewer than 30 time units.

Accepted Answer

(a)See table below. (b)Tasks J-M-N-P are

Question 11

Which of the following statements regarding CPM networks is true?

Accepted Answer

A) There can be multiple critical paths on the same project,all with different durations. 
B) The early finish of an activity is the latest early start of all preceding activities. 
C) The late start of an activity is its late finish plus its duration. 
D) If a specific project has multiple critical paths,all of them will have the same duration. 
E) None of the above are true. 
A) There can be multiple critical paths on the same project,all with different durations. 
B) The early finish of an activity is the latest early start of all preceding activities. 
C) The late start of an activity is its late finish plus its duration. 
D) If a specific project has multiple critical paths,all of them will have the same duration. 
E) None of the above are true.

Question 12

A combination of effective Gantt chart use and other tactics allowed Delta to cut the average time for a plane layover by what % of the original 60 minute duration?

Accepted Answer

A) 33%,to 40 minutes 
B) 50%,to 30 minutes 
C) 20%,to 48 minutes 
D) 25%,to 45 minutes 
E) 40%,to 36 minutes 
A) 33%,to 40 minutes 
B) 50%,to 30 minutes 
C) 20%,to 48 minutes 
D) 25%,to 45 minutes 
E) 40%,to 36 minutes

Question 13

The standard deviation of project duration is the average of the standard deviation of all activities on the critical path.

Accepted Answer

A) True 
 B)False

Question 14

The control of projects involves close monitoring of which of the following?

Accepted Answer

A) resources 
B) costs 
C) quality 
D) budgets 
E) all of the above 
A) resources 
B) costs 
C) quality 
D) budgets 
E) all of the above

Question 15

What are some of the ethical issues faced by project managers?

Accepted Answer

A project manager can be exposed to a wi

Question 16

The beta distribution is used in project management to:

Accepted Answer

A) calculate slack on activities not on the critical path. 
B) calculate the probability that a project will be completed within its budget. 
C) calculate pessimistic and optimistic activity times. 
D) determine which activity should be crashed. 
E) none of the above 
A) calculate slack on activities not on the critical path. 
B) calculate the probability that a project will be completed within its budget. 
C) calculate pessimistic and optimistic activity times. 
D) determine which activity should be crashed. 
E) none of the above

Question 17

A local project being analyzed by PERT has 42 activities,13 of which are on the critical path.If the estimated time along the critical path is 105 days with a project variance of 25,what is the probability that the project will be completed in 95 days or less?

Accepted Answer

A) -0.4 
B) 0.0228 
C) 0.3444 
D) 0.9772 
E) 4.2 
A) -0.4 
B) 0.0228 
C) 0.3444 
D) 0.9772 
E) 4.2

Question 18

Which of the following statements regarding Bechtel is true?

Accepted Answer

A) Its competitive advantage is project management. 
B) Bechtel was the construction contractor for the Hoover Dam. 
C) While helping to rebuild Iraq,Bechtel's crews had to travel under armed escort. 
D) Bechtel's procurement program is global in nature. 
E) All of the above are true. 
A) Its competitive advantage is project management. 
B) Bechtel was the construction contractor for the Hoover Dam. 
C) While helping to rebuild Iraq,Bechtel's crews had to travel under armed escort. 
D) Bechtel's procurement program is global in nature. 
E) All of the above are true.

Question 19

Given the critical path below,calculate the following:
a.The crash cost per unit time savings for each activity.
b.The maximum total crash time savings and cost.
c.The maximum total time-savings with a $3000 budget.

Accepted Answer

(A)A saves 1 day for $4000/day,B saves 2

Question 20

A project organization that becomes permanent is often referred to as a:

Accepted Answer

A) fixed project organization. 
B) matrix organization. 
C) normal organization. 
D) standard organization. 
E) permanent project organization. 
A) fixed project organization. 
B) matrix organization. 
C) normal organization. 
D) standard organization. 
E) permanent project organization.

Exam 3: Project Management

Which of the following is NOT a limitation of PERT?

Work breakdown structure is a useful tool in project management because it addresses the timing of individual work elements.

Every network has at least one critical path.

Identify the responsibilities of project managers.

Ethical issues that can arise in projects include gifts from contractors,pressure to mask delays with false status reports,and pressure to compromise project quality to meet bonuses or avoid penalties related to schedules.

Which of the following statements regarding PERT times is true?

What are the earliest activity start time and latest activity start time,and how are they computed?

A contractor's project being analyzed by PERT has an estimated time for the critical path of 120 days.The sum of all activity variances is 81; the sum of variances along the critical path is 64.What is the probability that the project will take 130 or more days to complete?

Consider the network described in the table below. a.Calculate the expected duration of each activity. b.Calculate the expected duration and variance of the critical path. c.Calculate the probability that the project will be completed in fewer than 30 time units.

Which of the following statements regarding CPM networks is true?

A combination of effective Gantt chart use and other tactics allowed Delta to cut the average time for a plane layover by what % of the original 60 minute duration?

The standard deviation of project duration is the average of the standard deviation of all activities on the critical path.

The control of projects involves close monitoring of which of the following?

What are some of the ethical issues faced by project managers?

The beta distribution is used in project management to:

A local project being analyzed by PERT has 42 activities,13 of which are on the critical path.If the estimated time along the critical path is 105 days with a project variance of 25,what is the probability that the project will be completed in 95 days or less?

Which of the following statements regarding Bechtel is true?

Given the critical path below,calculate the following: a.The crash cost per unit time savings for each activity. b.The maximum total crash time savings and cost. c.The maximum total time-savings with a $3000 budget.

A project organization that becomes permanent is often referred to as a:

Operations and Productivity

Operations Strategy in a Global Environment

Forecasting

Design of Goods and Services

Managing Quality

Process Strategy

Capacity and Constraint Management

Location Strategies

Layout Strategies

Human Resources, job Design, and Work Measurement

Supply Chain Management

Inventory Management

Aggregate Planning and Sop

Material Requirements Planning Mrpand Erp

Short-Term Scheduling

Jit, tps, and Lean Operations

Maintenance and Reliability

Sustainability in the Supply Chain

Statistical Process Control

Supply Chain Management Analytics

Decision-Making Tools

Linear Programming

Transportation Models

Waiting-Line Models

Learning Curves

Simulation

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