Question 1

When using linear programming to make crashing decisions,the objective is to minimize:

Accepted Answer

A)  the total cost of crashing the project 
B)  the total of the durations of the activities on the critical path 
C)  the latest finish time of the finish node 
D)  the total number of activities on the critical path  e None of the above E) None of the above
F) A) and B)

Question 2

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

Accepted Answer

A) True 
 B)False

Question 3

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 
C)  PERT gives a better indication of activity slack,CPM a better picture of path slack 
D)  Because of its recent discovery,much less is known about CPM that PERT 
E)  All of the above are true F) A) and E)
G) B) and C)

Question 4

-The expected duration of this project is:

Accepted Answer

A)  13 
B)  15 
C)  20 
D)  52 
E)  81 F) D) and E)
G) A) and E)

Question 5

Crashing an activity will always reduce the duration of a project

Accepted Answer

A) True 
 B)False

Question 6

Activity C in a project network has an optimistic time estimate of five days,a most likely time estimate of seven days,and a pessimistic time estimate of nine days Its expected duration is approximately:

Accepted Answer

A)  5 days 
B)  6 days 
C)  7 days 
D)  8 days 
E)  9 days F) All of the above
G) B) and E)

Question 7

The standard deviation of the critical path is equal to the sum of the standard deviations of all the activities on the critical path

Accepted Answer

A) True 
 B)False

Question 8

PERT/CPM can answer which of the following questions?

Accepted Answer

A)  When do activities need to start and finish to meet a deadline?
B)  How much delay can be tolerated for certain activities?
C)  Given uncertainties,what is the probability that a project will finish on time?
D)  What is the least expensive way to expedite a project to meet a deadline?
E)  All of the above F) A) and E)
G) A) and C)

Question 9

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 F) B) and C)
G) A) and E)

Question 10

52

Accepted Answer

A)  3 
B)  4 
C)  9 
D)  10 
E)  12 F) A) and B)
G) A) and C)

Question 11

The values assigned to the nodes in a project network are there to identify the precedence relationships

Accepted Answer

A) True 
 B)False

Question 12

Only activities on the critical path are initial candidates for crashing

Accepted Answer

A) True 
 B)False

Question 13

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

Accepted Answer

A) True 
 B)False

Question 14

51

Accepted Answer

A)  22 
B)  23 
C)  24 
D)  25 
E)  26 F) B) and C)
G) A) and B)

Question 15

A project manager does not need to monitor each individual activity,just the overall project when looking at budget costs

Accepted Answer

A) True 
 B)False

Question 16

Crashing cannot be accomplished by using different materials than originally planned

Accepted Answer

A) True 
 B)False

Question 17

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 F) D) and E)
G) A) and E)

Question 18

Which of the following are ways of crashing an activity?

Accepted Answer

A)  Using overtime 
B)  Hiring more workers 
C)  Using specialized equipment 
D)  All of the above 
E)  None of the above F) A) and D)
G) A) and C)

Question 19

-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 F) A) and B)
G) A) and C)

Question 20

The activities with the longest durations in a project network are called critical activities

Accepted Answer

A) True 
 B)False

Exam 16: Pert CPM models for project management

Which of the following are ways of crashing an activity?

Correct AnswerverifiedShow Answer

PERT/CPM can answer which of the following questions?

Correct AnswerverifiedShow Answer

A project manager does not need to monitor each individual activity,just the overall project when looking at budget costs

Correct AnswerverifiedShow Answer

-What is the estimated mean time for activity Y?

Correct AnswerverifiedShow Answer

The path with the greatest slack is:

Correct AnswerverifiedShow Answer

51

Correct AnswerverifiedShow Answer

52

Correct AnswerverifiedShow Answer

Only activities on the critical path are initial candidates for crashing

Correct AnswerverifiedShow Answer

Crashing cannot be accomplished by using different materials than originally planned

Correct AnswerverifiedShow Answer

Activity C in a project network has an optimistic time estimate of five days,a most likely time estimate of seven days,and a pessimistic time estimate of nine days Its expected duration is approximately:

Correct AnswerverifiedShow Answer

Concerning PERT and CPM:

Correct AnswerverifiedShow Answer

What is the probability that the critical path will be completed within 210 days?

Correct AnswerverifiedShow Answer

The standard deviation of the critical path is equal to the sum of the standard deviations of all the activities on the critical path

Correct AnswerverifiedShow Answer

-The expected duration of this project is:

Correct AnswerverifiedShow Answer

The activities with the longest durations in a project network are called critical activities

Correct AnswerverifiedShow Answer

The values assigned to the nodes in a project network are there to identify the precedence relationships

Correct AnswerverifiedShow Answer

Crashing an activity will always reduce the duration of a project

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

When using linear programming to make crashing decisions,the objective is to minimize:

Correct AnswerverifiedShow Answer

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