Question 1

Activity C has an early start time of 8,an early finish time of 12,a latest start time of 13,and a latest finish time of 17.Its slack is:

Accepted Answer

A) 0. 
B) 1. 
C) 4. 
D) 5. 
E) 9. 
A) 0. 
B) 1. 
C) 4. 
D) 5. 
E) 9.

Question 2

PERT/Cost:

Accepted Answer

A) finds the penalty costs if a project is not completed on time. 
B) compares the actual budget with the planned budget. 
C) shows management where to focus attention during the project. 
D) a and b only. 
E) b and c only. 
A) finds the penalty costs if a project is not completed on time. 
B) compares the actual budget with the planned budget. 
C) shows management where to focus attention during the project. 
D) a and b only. 
E) b and c only.

Question 3

Once a project is underway,the project manager is responsible for effectively managing:

Accepted Answer

A) the people. 
B) costs. 
C) time. 
D) a and b. 
E) a,b,and c. 
A) the people. 
B) costs. 
C) time. 
D) a and b. 
E) a,b,and c.

Question 4

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. 
A) 5 days. 
B) 6 days. 
C) 7 days. 
D) 8 days. 
E) 9 days.

Question 5

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. 
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.

Question 6

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 7

In order to determine the probability of timely project completion,it is sometimes necessary to take into account paths other than the critical path.

Accepted Answer

A) True 
 B)False

Question 8

If the variance of an activity duration is equal to 1 then all the durations are the same.

Accepted Answer

A) True 
 B)False

Question 9

Only activities on the critical path are initial candidates for crashing.

Accepted Answer

A) True 
 B)False

Question 10

The CPM method provides an excellent procedure for evaluating time-cost tradeoffs.

Accepted Answer

A) True 
 B)False

Question 11

AON project networks have which of the following advantages over AOA networks?

Accepted Answer

A) They are easier to construct. 
B) They allow the project to be completed faster. 
C) They are easier to revise when there are changes in a project. 
D) a and c only. 
E) b and c only. 
A) They are easier to construct. 
B) They allow the project to be completed faster. 
C) They are easier to revise when there are changes in a project. 
D) a and c only. 
E) b and c only.

Question 12

Which of the following is not a feature of PERT/CPM?

Accepted Answer

A) An estimate of how long a project will take. 
B) A graphical display of project activities. 
C) An indication of crucial activities. 
D) An indication of slack time. 
E) All are features. 
A) An estimate of how long a project will take. 
B) A graphical display of project activities. 
C) An indication of crucial activities. 
D) An indication of slack time. 
E) All are features.

Question 13

An important assumption in PERT calculations is:

Accepted Answer

A) activity durations are normally distributed. 
B) activity durations are independent. 
C) a computer will be available to do the calculations. 
D) a and b only. 
E) a and c only. 
A) activity durations are normally distributed. 
B) activity durations are independent. 
C) a computer will be available to do the calculations. 
D) a and b only. 
E) a and c only.

Question 14

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

Question 15

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

Accepted Answer

A) 0 days. 
B) 20 days. 
C) 40 days. 
D) 60 days. 
E) 100 days. 
A) 0 days. 
B) 20 days. 
C) 40 days. 
D) 60 days. 
E) 100 days.

Question 16

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

Accepted Answer

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

Question 17

The path in a project network with the average duration is the critical path.

Accepted Answer

A) True 
 B)False

Question 18

In an Activity-On-Node project network,the nodes are used to separate an activity from each of its immediate predecessors.

Accepted Answer

A) True 
 B)False

Question 19

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

Accepted Answer

A) 91 days. 
B) 99 days. 
C) 100 days. 
D) 101 days. 
E) 115 days. 
A) 91 days. 
B) 99 days. 
C) 100 days. 
D) 101 days. 
E) 115 days.

Question 20

Project managers must often function in an environment that is beset with uncertainties.

Accepted Answer

A) True 
 B)False

Exam 19: CD - Pertcpm Models for Project Management

Activity C has an early start time of 8,an early finish time of 12,a latest start time of 13,and a latest finish time of 17.Its slack is:

PERT/Cost:

Once a project is underway,the project manager is responsible for effectively managing:

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:

PERT/CPM can answer which of the following questions?

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

In order to determine the probability of timely project completion,it is sometimes necessary to take into account paths other than the critical path.

If the variance of an activity duration is equal to 1 then all the durations are the same.

Only activities on the critical path are initial candidates for crashing.

The CPM method provides an excellent procedure for evaluating time-cost tradeoffs.

AON project networks have which of the following advantages over AOA networks?

Which of the following is not a feature of PERT/CPM?

An important assumption in PERT calculations is:

Which of the following are ways of crashing an activity?

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

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

The path in a project network with the average duration is the critical path.

In an Activity-On-Node project network,the nodes are used to separate an activity from each of its immediate predecessors.

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

Project managers must often function in an environment that is beset with uncertainties.

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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