Question 1

The path in a network with the average length of time to completion is called the critical path.

Accepted Answer

A) True 
 B)False

Question 2

What is the estimated expected (mean) time for activity E?

Accepted Answer

A) 35 days 
B) 36 days 
C) 39 days 
D) 40 days 
E) 45 days 
A) 35 days 
B) 36 days 
C) 39 days 
D) 40 days 
E) 45 days

Question 3

What are the estimated slack times (in weeks) for activities A-H?

Accepted Answer

0; 5; 15;

Question 4

What is the estimated standard deviation in the time for activity Z?

Accepted Answer

A) 3 days 
B) 2 days 
C) 4 days 
D) 8 days 
E) 5 days 
A) 3 days 
B) 2 days 
C) 4 days 
D) 8 days 
E) 5 days

Question 5

The earliest finish time for an activity is equal to the latest finish time minus the activity time.

Accepted Answer

A) True 
 B)False

Question 6

When developing probabilistic estimates of project duration, it is necessary to know which of the following?

Accepted Answer

A) the mean and variance of every activity 
B) the mean and variance of activities on the critical path 
C) the standard deviation of activities on the critical path 
D) each activity's probability of completion 
E) the distribution of activity times 
A) the mean and variance of every activity 
B) the mean and variance of activities on the critical path 
C) the standard deviation of activities on the critical path 
D) each activity's probability of completion 
E) the distribution of activity times

Question 7

What is the estimated slack time for Activity E?

Accepted Answer

A) 0 weeks 
B) 3 weeks 
C) 9 weeks 
D) 11 weeks 
E) 12 weeks 
A) 0 weeks 
B) 3 weeks 
C) 9 weeks 
D) 11 weeks 
E) 12 weeks

Question 8

Concerning PERT and CPM:

Accepted Answer

A) These are two different names for essentially the same technique. 
B) CPM tends to focus more on the critical path; PERT focuses on the parallel paths. 
C) PERT gives a clearer indication of activity slack, while CPM gives a better picture of path slack. 
D) Because of its recent discovery, much less is known about CPM than PERT. 
E) All of the above are true. 
A) These are two different names for essentially the same technique. 
B) CPM tends to focus more on the critical path; PERT focuses on the parallel paths. 
C) PERT gives a clearer indication of activity slack, while CPM gives a better picture of path slack. 
D) Because of its recent discovery, much less is known about CPM than PERT. 
E) All of the above are true.

Question 9

What are the estimated standard deviations (in weeks) in the times for activities A-H?

Accepted Answer

2; 1.67; 2

Question 10

In "crashing" a project, a manager will generally focus on activities which:

Accepted Answer

A) are not on the critical path 
B) are the least costly to crash 
C) are costly to crash and are on the critical path 
D) are on the critical path and are the least costly to crash 
E) are the easiest to crash 
A) are not on the critical path 
B) are the least costly to crash 
C) are costly to crash and are on the critical path 
D) are on the critical path and are the least costly to crash 
E) are the easiest to crash

Question 11

What is the estimated standard deviation in the time for activity E?

Accepted Answer

A) 1 days 
B) 2 days 
C) 3 days 
D) 4 days 
E) 5 days 
A) 1 days 
B) 2 days 
C) 3 days 
D) 4 days 
E) 5 days

Question 12

Which of the following is not a form of risk reduction in project management?

Accepted Answer

A) backup system 
B) outsourcing 
C) risk-sharing 
D) scenario analysis 
E) all of the above are risk reduction methods 
A) backup system 
B) outsourcing 
C) risk-sharing 
D) scenario analysis 
E) all of the above are risk reduction methods

Question 13

Consider the portion of a project depicted by this graph:   What is the earliest finish time for activity 10-11 (far right hand side), if the earliest start time of 8-10 (upper left hand side) is 12, and the earliest start time of 9-10 (lower left hand side) is 13?

Accepted Answer

A) 22 
B) 23 
C) 24 
D) 25 
E) 26 
A) 22 
B) 23 
C) 24 
D) 25 
E) 26

Question 14

A node has one entering activity, a, and two leaving activities, b and c.Given the following information, determine the latest starting time for activity a: EFb = 15, EFc = 17, LFb = 24, LFc = 27; activity times are a = 4, b = 6, c = 8.

Accepted Answer

A) 14 
B) 15 
C) 16 
D) 17 
E) 18 
A) 14 
B) 15 
C) 16 
D) 17 
E) 18

Question 15

At which point does crashing of a project cease?

Accepted Answer

A) when the project is completed 
B) when no additional crashing is possible 
C) when the cost to crash equals or exceeds the benefit of crashing 
D) when the project is one-half completed 
E) none of the above 
A) when the project is completed 
B) when no additional crashing is possible 
C) when the cost to crash equals or exceeds the benefit of crashing 
D) when the project is one-half completed 
E) none of the above

Question 16

The advantage(s) a precedence diagram has over a Gantt chart is(are):

Accepted Answer

A) its ability to reveal relationships among activities. 
B) it can easily show networks. 
C) (a) and (b). 
D) its simplicity. 
E) all of the above. 
A) its ability to reveal relationships among activities. 
B) it can easily show networks. 
C) (a) and (b). 
D) its simplicity. 
E) all of the above.

Question 17

A project consists of nine major activities, as shown below.There are three separate paths in the network: a-c-f, b-d-g, and e-h-i.
(A) What is expected project duration time?
(B) Determine the probability that the project will take more than 35 weeks to complete.(All times are in weeks.)

Accepted Answer

@#IMG-DLM& @#IMG-DLM& @#IMG-DLM& A) Expected duration = 32 w

Question 18

The latest starting time for an activity is equal to the latest finish time minus the activity time.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following would probably not involve the use of PERT?

Accepted Answer

A) planning and constructing a new city hall 
B) developing an advertising campaign for a new product 
C) designing and constructing a subway system 
D) writing a poem 
E) preparing for the visit of a foreign dignitary 
A) planning and constructing a new city hall 
B) developing an advertising campaign for a new product 
C) designing and constructing a subway system 
D) writing a poem 
E) preparing for the visit of a foreign dignitary

Question 20

Activities not on the critical path have a slack time equal to zero.

Accepted Answer

A) True 
 B)False

Exam 17: Project Management

The path in a network with the average length of time to completion is called the critical path.

What is the estimated expected (mean) time for activity E?

What are the estimated slack times (in weeks) for activities A-H?

What is the estimated standard deviation in the time for activity Z?

The earliest finish time for an activity is equal to the latest finish time minus the activity time.

When developing probabilistic estimates of project duration, it is necessary to know which of the following?

What is the estimated slack time for Activity E?

Concerning PERT and CPM:

What are the estimated standard deviations (in weeks) in the times for activities A-H?

In "crashing" a project, a manager will generally focus on activities which:

What is the estimated standard deviation in the time for activity E?

Which of the following is not a form of risk reduction in project management?

Consider the portion of a project depicted by this graph: What is the earliest finish time for activity 10-11 (far right hand side), if the earliest start time of 8-10 (upper left hand side) is 12, and the earliest start time of 9-10 (lower left hand side) is 13?

A node has one entering activity, a, and two leaving activities, b and c.Given the following information, determine the latest starting time for activity a: EFb = 15, EFc = 17, LFb = 24, LFc = 27; activity times are a = 4, b = 6, c = 8.

At which point does crashing of a project cease?

The advantage(s) a precedence diagram has over a Gantt chart is(are):

A project consists of nine major activities, as shown below.There are three separate paths in the network: a-c-f, b-d-g, and e-h-i. (A) What is expected project duration time? (B) Determine the probability that the project will take more than 35 weeks to complete.(All times are in weeks.)

The latest starting time for an activity is equal to the latest finish time minus the activity time.

Which of the following would probably not involve the use of PERT?

Activities not on the critical path have a slack time equal to zero.

Introduction to Operations Management

Competitiveness, Strategy, and Productivity

Forecasting

Product and Service Design

Strategic Capacity Planning for Products and Services

Process Selection and Facility Layout

Work Design and Measurement

Location Planning and Analysis

Management of Quality

Quality Control

Aggregate Planning and Master Scheduling

MRP and ERP

Inventory Management

Jit and Lean Operations

Supply Chain Management

Scheduling

Management of Waiting Lines

Linear Programming

Extension 4: Reliability

Extension 5: Decision Theory

Extension 7: Learning Curves

Extension 8: The Transportation Model

Extension 10: Acceptance Sampling

Extension 14: Maintenance

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