Question 1

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 2

Three critical path activities are candidates for crashing on a CPM network.Activity details are in the table below.
   a.What is the crash cost per unit time for activity A?
b.What is the crash cost per unit time for activity B?
c.Which activity should be crashed first to cut one day from the project's duration;how much is added to project cost?
d.Which activity should be the next activity crashed to cut a second day from the project's duration;how much is added to project cost?
e.Assuming no other paths become critical,how much can this project be shortened at what total added cost?

Accepted Answer

(a)$2,000; (b)$4,000

Question 3

Slack is the amount of time an activity can be delayed without delaying the entire project.

Accepted Answer

A) True 
 B)False

Question 4

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

Accepted Answer

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

Question 5

Explain why the critical path is the longest,not the shortest,path through a network.

Accepted Answer

The critical path is that set of activit

Question 6

Which of the following statements about Bechtel is true?

Accepted Answer

A) Even though Bechtel is over 100 years old,the Kuwaiti oil fields was its first "project." 
B) Bechtel is the world's premier manager of massive construction and engineering projects. 
C) Bechtel's competitive advantage is supply chain management. 
D) While its projects are worldwide,its network of suppliers is largely in the United States 
E) All of the above are true. 
A) Even though Bechtel is over 100 years old,the Kuwaiti oil fields was its first "project." 
B) Bechtel is the world's premier manager of massive construction and engineering projects. 
C) Bechtel's competitive advantage is supply chain management. 
D) While its projects are worldwide,its network of suppliers is largely in the United States 
E) All of the above are true.

Question 7

The ________ distribution is appropriate for calculating expected activity times and activity variances in PERT networks.

Accepted Answer

The answer of The ________ distribution is appropriate for calculating...

Question 8

The shortest of all paths through the network is the critical path.

Accepted Answer

A) True 
 B)False

Question 9

Identify several advantages of using PERT (and CPM).

Accepted Answer

The advantages include (1)its usefulness

Question 10

A code of ethics especially for project managers:

Accepted Answer

A) has been established by the Project Management Institute. 
B) has been formulated by the Federal government. 
C) has been formulated by the World Trade Organization. 
D) is inappropriate,since everyone should use the same guidance on ethical issues. 
E) does not exist at this time. 
A) has been established by the Project Management Institute. 
B) has been formulated by the Federal government. 
C) has been formulated by the World Trade Organization. 
D) is inappropriate,since everyone should use the same guidance on ethical issues. 
E) does not exist at this time.

Question 11

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 12

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 13

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 14

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 15

Project managers have their own code of ethics,established by the Project Management Institute.

Accepted Answer

A) True 
 B)False

Question 16

The ________ has established a code of ethics especially for project managers.

Accepted Answer

Project Ma

Question 17

What is the objective of critical path analysis?

Accepted Answer

Critical path analysis determines the lo

Question 18

The ES of an activity that has only one predecessor is simply the EF of that predecessor.

Accepted Answer

A) True 
 B)False

Question 19

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 20

Describe the differences between a Gantt chart and a PERT/CPM network.

Accepted Answer

The differences between a Gant

Exam 3: Project Management

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

Slack is the amount of time an activity can be delayed without delaying the entire project.

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

Explain why the critical path is the longest,not the shortest,path through a network.

Which of the following statements about Bechtel is true?

The ________ distribution is appropriate for calculating expected activity times and activity variances in PERT networks.

The shortest of all paths through the network is the critical path.

Identify several advantages of using PERT (and CPM).

A code of ethics especially for project managers:

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.

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

Which of the following statements regarding Bechtel is true?

Which of the following statements regarding CPM networks is true?

Project managers have their own code of ethics,established by the Project Management Institute.

The ________ has established a code of ethics especially for project managers.

What is the objective of critical path analysis?

The ES of an activity that has only one predecessor is simply the EF of that predecessor.

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?

Describe the differences between a Gantt chart and a PERT/CPM network.

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Operations Strategy in a Global Environment

Forecasting

Design of Goods and Services

Managing Quality

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Layout Strategies

Human Resources,job Design,and Work Measurement

Supply Chain Management

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Aggregate Planning and Sop

Material Requirements Planning Mrpand Erp

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Jit,tps,and Lean Operations

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Sustainability in the Supply Chain

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Supply Chain Management Analytics

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Linear Programming

Transportation Models

Waiting-Line Models

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