Question 1

Crashing cannot be accomplished by using different materials than originally planned.

Accepted Answer

A) True 
 B)False

Question 2

When finding the approximate probability of project duration,it is necessary to know which of the following?

Accepted Answer

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

Question 3

Figure   (time in days)
-What is the estimated slack time for activity W?

Accepted Answer

A) 0 days. 
B) 25 days. 
C) 35 days. 
D) 45 days. 
E) 85 days. 
A) 0 days. 
B) 25 days. 
C) 35 days. 
D) 45 days. 
E) 85 days.

Question 4

The mean critical path is the path through the project network that would be the critical path if the duration of each activity equals its mean.

Accepted Answer

A) True 
 B)False

Question 5

Figure   Given this network:
-The path with the greatest slack is:

Accepted Answer

A) A-E-H. 
B) B-H. 
C) A-D-G. 
D) C-F-H. 
E) C-I-J. 
A) A-E-H. 
B) B-H. 
C) A-D-G. 
D) C-F-H. 
E) C-I-J.

Question 6

The PERT three-estimate approach can be used to determine the probability that a project will be completed by a certain time.

Accepted Answer

A) True 
 B)False

Question 7

Figure   Given this network:
-The critical path for the network shown is:

Accepted Answer

A) A-C-G. 
B) A-D-F-G. 
C) A-D-H-I. 
D) B-E-F-G. 
E) B-E-H-I. 
A) A-C-G. 
B) A-D-F-G. 
C) A-D-H-I. 
D) B-E-F-G. 
E) B-E-H-I.

Question 8

Figure   (time in days)
-What is the probability that the critical path will be completed within 210 days?

Accepted Answer

A) 0.5000. 
B) 0.8413. 
C) 0.9544. 
D) 0.9772. 
E) 0.9987. 
A) 0.5000. 
B) 0.8413. 
C) 0.9544. 
D) 0.9772. 
E) 0.9987.

Question 9

If an activity is not on the critical path,then the project cannot be delayed if that activity is delayed.

Accepted Answer

A) True 
 B)False

Question 10

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

Accepted Answer

A) True 
 B)False

Question 11

Figure   (time in days)
-What is the estimated mean time for activity Y?

Accepted Answer

A) 30 days. 
B) 29 days. 
C) 38 days. 
D) 26 days. 
E) 35 days. 
A) 30 days. 
B) 29 days. 
C) 38 days. 
D) 26 days. 
E) 35 days.

Question 12

Figure   (time in days)
-What is the estimated standard deviation in the time for activity E?

Accepted Answer

A) 2 days. 
B) 3 days. 
C) 4 days. 
D) 16 days. 
E) 24 days. 
A) 2 days. 
B) 3 days. 
C) 4 days. 
D) 16 days. 
E) 24 days.

Question 13

There is currently no method that permits activities and their immediate predecessors to overlap.
Multiple Choice Questions

Accepted Answer

A) True 
 B)False

Question 14

Crashing an activity will always reduce the duration of a project.

Accepted Answer

A) True 
 B)False

Question 15

Figure   (time in days)
-What is the estimated slack time for activity D?

Accepted Answer

A) 0 days. 
B) 30 days. 
C) 40 days. 
D) 50 days. 
E) 100 days. 
A) 0 days. 
B) 30 days. 
C) 40 days. 
D) 50 days. 
E) 100 days.

Question 16

When making a backward pass through a project network,you must start at the finish node.

Accepted Answer

A) True 
 B)False

Question 17

Figure   Given this network:
-The slack for path A-D-H-I is:

Accepted Answer

A) 0. 
B) 3. 
C) 4. 
D) 7. 
E) 8. 
A) 0. 
B) 3. 
C) 4. 
D) 7. 
E) 8.

Question 18

Given the portion of the network shown above,what is the earliest finish time for activity D,if the earliest start time of A is 12 and the earliest start time of B 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 19

The slack of any activity is the amount of time that the activity can be delayed without delaying the completion of the project.

Accepted Answer

A) True 
 B)False

Question 20

An activity has an optimistic time estimate of three days,a most likely time estimate of eight days,and a pessimistic time estimate of ten days.The expected duration of this activity is:

Accepted Answer

A) 7.0 days. 
B) 7.5 days. 
C) 8.0 days. 
D) 8.5 days. 
E) 10.0 days. 
A) 7.0 days. 
B) 7.5 days. 
C) 8.0 days. 
D) 8.5 days. 
E) 10.0 days.

Exam 19: CD - Pertcpm Models for Project Management

Crashing cannot be accomplished by using different materials than originally planned.

When finding the approximate probability of project duration,it is necessary to know which of the following?

Figure (time in days) -What is the estimated slack time for activity W?

The mean critical path is the path through the project network that would be the critical path if the duration of each activity equals its mean.

Figure Given this network: -The path with the greatest slack is:

The PERT three-estimate approach can be used to determine the probability that a project will be completed by a certain time.

Figure Given this network: -The critical path for the network shown is:

Figure (time in days) -What is the probability that the critical path will be completed within 210 days?

If an activity is not on the critical path,then the project cannot be delayed if that activity is delayed.

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

Figure (time in days) -What is the estimated mean time for activity Y?

Figure (time in days) -What is the estimated standard deviation in the time for activity E?

There is currently no method that permits activities and their immediate predecessors to overlap. Multiple Choice Questions

Crashing an activity will always reduce the duration of a project.

Figure (time in days) -What is the estimated slack time for activity D?

When making a backward pass through a project network,you must start at the finish node.

Figure Given this network: -The slack for path A-D-H-I is:

Given the portion of the network shown above,what is the earliest finish time for activity D,if the earliest start time of A is 12 and the earliest start time of B is 13?

The slack of any activity is the amount of time that the activity can be delayed without delaying the completion of the project.

An activity has an optimistic time estimate of three days,a most likely time estimate of eight days,and a pessimistic time estimate of ten days.The expected duration of this activity is:

Introduction

Linear Programming: Basic Concepts

Linear Programming: Formulation and Applications

The Art of Modeling With Spreadsheets

What-If Analysis for Linear Programming

Network Optimization Problems

Using Binary Integer Programming to Deal With Yes-Or-No Decisions

Nonlinear Programming

Decision Analysis

Cd Supplement - Decision Analysis

Forecasting

Queueing Models

CD Supplement - Additional Queueing Models

Computer Simulation: Basic Concepts

CD Supplement - the Inverse Transformation Method for Generating Random Observations

Computer Simulation With Crystal Ball

CD - Solution Concepts for Linear Programming

CD - Transportation and Assignment Problems

CD - Goal Programming

CD - Inventory Management With Known Demand

CD - Inventory Management With Uncertain Demand

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