Deck 8: Scheduling

Question 1

__________ was developed by the U.S. Navy while the __________ was developed by __________.

A)PERT, CPM, DuPont
B)PERT, Gantt, DuPont
C)Gantt, PERT, U.S. Army
D)DuPont, CPM, U.S. Army

Answer 1

A

Question 2

The variance of a population is a measure of the population's __________.

A)dispersion
B)proportion
C)uniqueness
D)skewness

Answer 2

A

Question 3

In application, PERT(ADM)has primarily been used for __________.

A)construction projects
B)manufacturing projects
C)industrial projects
D)research and development projects

Answer 3

D

Question 4

The calculation of the standard deviation for the beta distribution is based on the assumption that __________.

A)the range is divided by a count of the values used to compute the mean
B)the range is approximately equal to six times the standard deviation
C)the standard deviation is 50 percent of the mean
D)the standard deviation is the square of the statistical variance

Question 5

The use of PERT (ADM)has declined sharply in recent years because a large majority of project management software __________.

A)have become obsolete
B)use probabilistic techniques
C)generate CPM networks
D)are characterized by high prices

Question 6

Task F has duration of 10 days and an earliest start date of 20 days. Based on the given data, determine the early finish duration for task F.

A)10 days
B)20 days
C)30 days
D)5 days

Question 7

A precedence relationship where the completion of a successor activity depends on the completion of a predecessor activity is called a __________.

A)start to finish dependency
B)finish to start dependency
C)finish to finish dependency
D)start to start dependency

Question 8

It is important to good project management to be meticulously __________ in estimating the time required to complete each of the various tasks included in the project.

A)accurate
B)honest
C)well-timed
D)clear

Question 9

The shortest time in which the entire network can be completed is referred to as the __________.

A)critical time of the network
B)real duration of the network
C)elapsed time of the network
D)slack time of the network

Question 10

A precedent relationship where the completion of a predecessor activity depends on the initiation of a successor activity is called a __________.

A)start to finish dependency
B)finish to start dependency
C)finish to finish dependency
D)start to start dependency

Question 11

The __________ for an activity is equal to the largest early finish for its preceding activities.

A)early start
B)late start
C)late finish
D)critical path

Question 12

Which of the following is NOT an advantage of a Gantt chart?

A)It can be easily understood.
B)Gantt charts are more effective for very large projects than ordinary projects.
C)It provides a good picture of the state of the project.
D)It is relatively easy to maintain.

Question 13

__________ have a weakness of being difficult to follow when multiple paths exist, but __________ are more helpful in the hands-on task of managing the project.

A)Networks, Gantt charts
B)Activity sets, networks
C)Gantt charts, networks
D)Gantt charts, activity sets

Question 14

In the AOA network, circles depict ________.

A)networks
B)events
C)logical dependencies
D)dummy activities

Question 15

When using the beta distribution, the denominator of the formula for standard deviation should ________.

A)be approximately one-sixth of its range.
B)be adjusted by converting the range into the correct statistical variance
C)be adjusted by converting the range into the correct z-score value
D)be adjusted by converting the range into 50 percent of the mean

Question 16

The critical activities in real-world projects typically constitute less than __________% of the total activities in the project.

A)5
B)10
C)30
D)50

Question 17

The authors recommend preparing a schedule for each __________.

A)work package in the WBS
B)task in the WBS
C)major task level in the WBS
D)project that has a WBS

Question 18

Slack is also known as __________.

A)critical path
B)scope
C)float
D)precedence

Question 19

Which of the following is NOT a software tool, commonly used to manage projects, especially in relation to time and cost budgets?

A)Microsoft Project
B)Microsoft Excel
C)Crystal Ball
D)Microsoft Word

Question 20

Most commercially available project management software applications use the __________.

A)GERT chart
B)Bar chart
C)AOA network
D)AON network

Question 21

The authors define __________ as the time an activity can be delayed without affecting the start time of any successor activity

Question 22

__________ law suggests that work expands to fill the allotted time.

Question 23

A(n)__________ is a specific task or set of tasks that are required by the project, use up resources, and take time to complete.

Question 24

In a network, if the delay of an activity will delay completion of the project, the activity is called a(n)__________.

Question 25

A __________ is the conversion of the project work breakdown structure into an operating timetable.

Question 26

In AOA networks, an activity of zero duration is called a(n)________.

Question 27

The series of connected activities (or intermediate events)between any two events in a network is called __________.

Question 28

Using precedence diagramming methods, activity B must not start until after activity A has been completed. Moreover, the outcome of activity A cannot be used until 3 days after its completion. This relationship between activities A and B is an example of a(n)__________.

Question 29

The difference between the late start and early start for an activity is called its __________.

A)critical path
B)task
C)progress
D)float

Question 30

An activity or event that, if delayed, will delay project completion is called a(n)__________.

Question 31

The arrangement of all activities (and, in some cases, events)in a project arrayed in their logical sequence and represented by arcs and nodes is called a __________.

Question 32

Any time two or more paths of a network come together, the probability of both paths being on time is the product of the probabilities for the individual paths. This scenario is referred to as __________.

Question 33

The authors, when discussing networks, describe a(n)__________ as the result of completing one or more activities. It is an identifiable end state, which does not use any resources, occurring at a particular time.

Question 34

Project task E has the following estimates: (1)optimistic time - 10 days, (2)Pessimistic time - 20 days, and (3)Most likely time - 12 Days. The expected time using the beta statistical distribution is __________ days.

Question 35

Task H has duration of 5 days, an early start of 25 days, an early finish of 30 days, a late start of 25 days, and a late finish of 30 days. There are __________ days of slack for task H.

Question 36

Project task E has the following estimates: (1)optimistic time - 10 days, (2)Pessimistic time - 20 days, and (3)Most likely time - 12 Days. The standard deviation for time using the beta statistical distribution is ________ days.

Question 37

__________ is an obvious way to check the nature and impacts of interactions between probabilistic paths in a network.

Question 38

The __________ chart shows planned and actual progress for a number of tasks displayed against a horizontal timescale.

Question 39

In CPM(PDM), an activity can be conducted at a normal pace or an expedited pace, known as ________, at a greater cost.

Question 40

Assume that task J has a most likely duration of 20 days, an optimistic duration of 13 days, and a pessimistic duration of 30 days. If the optimistic and pessimistic durations are 95 percent estimates, the standard deviation for task J is ________ days.

Question 41

Describe the process for determining the critical path in a network.

Question 42

A __________ is a combination of interrelated activities and events depicted with arcs and nodes.

Question 43

Explain why it is important to evaluate non-critical paths that possess large variances and/or path times that are close to critical in duration.

Question 44

__________ is the amount of one factor that must be sacrificed in order to achieve more or less of another factor.

Question 45

A(n)__________ is a point where one or more lines (arrows)begin or terminate, commonly used for depicting an event or activity.

Question 46

Describe the benefits of forming a network of activity and event relationships that graphically portrays sequential relations between tasks in a project.

Question 47

A clearly identifiable point in a project or set of activities that commonly denotes a reporting requirement or completion of a large or important set of activities is called a(n)__________.

Question 48

The _________ was developed by Henry Gantt in 1917.

Question 49

Explain the meaning of slack in a network.

Question 50

Explain the difference between Total Slack and Free Slack in a network.