Deck 5: Scheduling the Project

Question 1

Another name for total slack is free slack.

Answer 1

False

Question 2

Critical path tasks always have zero slack.

Answer 2

True

Question 3

AON and AOA networks can both be used to depict any project network.

Answer 3

True

Question 4

Networks are usually drawn with a "Start" node to the right and a "Finish" node to the left.

Question 5

The difference between EST and LFT is called slack.

Question 6

The difference between LFT and EFT is called slack.

Question 7

An event is a series of connected activities.

Question 8

A big advantage of AON networks is that they are easier to draw.

Question 9

There is more than one way to compute slack.

Question 10

When it was originally developed, PERT used certain (deterministic) methods to estimate activity duration.

Question 11

The difference between LST and LFT is called slack.

Question 12

The shortest time to complete a network is equal to the duration of the longest path through the network.

Question 13

A diagram of nodes connected by directional arcs that defines the project and illustrates the technical of all activities is referred to as a network.

Question 14

The difference between LFT and EFT is called free slack.

Question 15

Milestones are not depended upon the predecessor activities in the project plan.

Question 16

The difference between the LST and EST is called free slack.

Question 17

The difference between the LST and EST is called slack.

Question 18

Critical path tasks always have zero free slack.

Question 19

Standard Pert/CPM networks can be used to resolve probabilistic concerns.

Question 20

To manage a project successfully, the project manager need only pay close attention to tasks on the critical path.

Question 21

Float refers to the amount of time a noncritical task can be delayed without causing a delay in the entire project.

Question 22

All project-related statistical calculations are performed using the normal distribution.

Question 23

If task duration estimates are carefully made, the project manager needs to only examine the critical path when conducting a risk analysis.

Question 24

Milestones in a project consume no resources or time.

Question 25

The formula for the expected time of an activity in a network assumes that the optimistic, pessimistic, and most likely time estimates have a normal distribution.

Question 26

The amount of time an activity can be delayed without affecting the start time of any successor activity is known as free slack.

Question 27

A situation where two or more activities have the same starting and finishing nodes or where a single activity connects to two or more nodes is called a dummy task.

Question 28

Any activity in a project not on the critical path can be delayed without delaying the project.

Question 29

When calculating the variance of an activity, the formula is σ2=b-a26 is the correct formula no matter what probability is used to estimate b and
a.

Question 30

An activity using slack does not impact any other activity.

Question 31

"Merger" is a term used to describe the situation in which two or more paths in a network join together.

Question 32

When conducting risk analysis on a project, we always know which path will be the critical path.

Question 33

The tasks of project planning, project budgeting, and project scheduling are largely separable from one another.

Question 34

A project schedule is a project action plan converted into a timetable.

Question 35

The formula for the expected time of an activity in a network assumes that the optimistic, pessimistic, and most likely time estimates have a beta distribution.

Question 36

Events in a project consume no resources or time.

Question 37

A situation where two or more activities have the same starting and finishing nodes or where a single activity connects to two or more nodes is called a milestone.

Question 38

The movement from left to right through the network beginning with the start node that calculates the LS and LF for each activity is known as "forward pass".

Question 39

A disadvantage of using beta distribution to approximate activity times is that it is generally less flexible than the normal distribution.

Question 40

Activities on a project always meet the assumption of statistical independence.

Question 41

The start-to-finish linkage is used in situations where is it desirable for two or more activities to finish at the same time.

Question 42

Anyone interested in the project can read a Gantt chart with little or no training and with little or no technical knowledge of the project.

Question 43

Milestones cannot be identified on a Gantt chart.

Question 44

The simulation approach is generally preferred over the statistical method.

Question 45

The critical path always has the largest variance.

Question 46

It is easiest to see lead and lag time in a project task on a PERT/CPM networks.

Question 47

Scum takes a more just-in-time (JIT) approach to project planning whereby planning is done as late as possible and when the most is known about the project.

Question 48

The cost to complete an activity is always known in advance.

Question 49

Technical dependencies are generally easier to see on a Gantt chart than on PERT/CPM networks.

Question 50

The actual project duration will be known with certainty after the project is completed.

Question 51

The cost to complete a project is driven in large part by the time required to complete the project.

Question 52

When two or more paths through a network join, even at the end of the network, paths that have little slack and/or high variance may become critical simply by chance.

Question 53

A Gantt chart cannot depict a critical path, only a PERT/CPM chart can.

Question 54

A disadvantage of Gantt charts is that they are hard to draw.

Question 55

Gantt charts were developed in the early twentieth century.

Question 56

Technical dependencies are often harder to see on a Gantt chart than on a PERT/CPM network.

Question 57

A start-to-finish linkage is the most common way of linking to successive task.

Question 58

Gantt charts are not adequate replacements for networks.

Question 59

Henry Gantt developed the Gantt chart.

Question 60

The actual project duration will be known with certainty after the project is fully planned.

Question 61

Ben is part of a new project in his company. He is asked to complete a task within two days, but he is only able to finish it in three days. Since the task assigned to him is noncritical in nature, the extra day taken by Ben does not cause a delay in the project. In this scenario, the additional day taken by Ben is known as _____.

A) flow time
B) throughput
C) slack
D) critical time
E) flowgrind

Question 62

High velocity is a goal of Agile scheduling.

Question 63

Paul, the marketing manager of a food company, created a diagram of nodes to represent the marketing process for a new product of the company. Each node represented an activity in the marketing process, and an arc joined each node. He used this diagram to demonstrate the objectives of the marketing process. In the context of the language of the Program Evaluation and Review Technique (PERT) and the Critical Path Method (CPM), the diagram used by Paul is known as a _____.

A) network
B) flowchart
C) Gantt chart
D) Smith chart
E) control chart

Question 64

With scum, a prerequisite to being able to realistically determine the amount of work that can be completed in a sprint is having accurate estimates for the amount of effort required to complete each requirement.

Question 65

Consider a project network that begins with activity A and is followed by activity B. Activity A takes 6 days to finish. If the earliest start time for activity B is 6 days and the latest start time for it is 10 days, activity B has a slack of _____.

A) 16 days
B) 4 days
C) 10 days
D) 2 days
E) 12 days

Question 66

Organ Bennett Inc., a public relations firm, is working on a project to improve the brand image of Sizil, a client firm, over a period of a year. The project requires Organ Bennett to organize a press conference to announce the launch of Sizil's new product. The project members need to invite reporters for the same. In the context of the language of the Program Evaluation and Review Technique (PERT) and the Critical Path Method (CPM), inviting reporters is most likely a(n) _____.

A) event
B) activity
C) network
D) milestone
E) float

Question 67

Miros Inc., a recording studio, displays its recording process by using a network of nodes and arrows. The nodes are used to depict the activities involved in recording a song, such as setting up the instruments, and the arrows are used to depict the order of precedence of the activities. Which of the following project networks is Miros using in the given scenario?

A) A time-on-node network
B) An activity-on-arrow network
C) A time-on-arrow network
D) An activity-on-node network
E) An event-on-node network

Question 68

PERT was originally used for what type of project?

A) construction
B) R & D
C) military
D) computer software development
E) advertising

Question 69

Slack is calculated as?

A) LFT - EST
B) LFT - LST
C) LST - LFT
D) LFT - EFT
E) EFT - EST

Question 70

Which of the following terms is most closely associated with a task required by the project?

A) activity
B) event
C) milestone
D) network
E) path

Question 71

An Agile team's velocity is only valid as long as the sprint duration remains constant.

Question 72

The amount of time a noncritical task can be delayed without delaying the project is called?

A) surplus
B) flop
C) slack
D) critical time
E) safety

Question 73

An identifiable state resulting from the completion of one or more activities is called?

A) an event
B) an activity
C) a milestone
D) a path
E) the critical path

Question 74

The scum master develops estimates for the effort required to complete each product requirement listed in the product backlog.

Question 75

Agile velocity is not impacted by the team size.

Question 76

Nessage Mique, a niche fashion boutique, displays its production process by using a network of nodes and arrows. The nodes are used to depict the state of completion of various activities and the arrows are used to depict their order of precedence. Which of the following project networks is Nessage Mique using in the given scenario?

A) An event-on-arrow network
B) A time-on-arrow network
C) An activity-on-node network
D) A time-on-node network
E) An activity-on-arrow network

Question 77

A Term not used in the discussion of PERT/CPM analysis is

A) Activity
B) Events
C) Critical Path
D) Sensitivity path
E) network s

Question 78

Verita Nist, an automobile company, sought to improve the production time and quality of its products within a year. In the first month, the company installed five new assembling machines. This reduced the production time by 15 percent. In the context of the language of the Program Evaluation and Review Technique (PERT) and the Critical Path Method (CPM), this decrease in the production time of Verita Nist's products is an example of a(n) _____.

A) task
B) activity
C) critical path
D) event
E) throughput

Question 79

Consider a project network that begins with activity X and is followed by activity Y. The earliest start time for activity X is 5 days and it will take 3 days to be completed. The earliest start time for activity Y is 12 days. Given this information, activity X has _____ of free slack.

A) 20 days
B) 4 days
C) 12 days
D) 9 days
E) 15 days

Question 80

Minkset Blu, a textile company, wants to improve its sales over a span of four years. In the first year, the company installs new looming machines that improve the production cost. However, it takes two years for the company to establish a liaison with online retailers to improve the accessibility of its products. This delays the company's goal of improving sales by a year. In the context of the language of the Program Evaluation and Review Technique (PERT) and the Critical Path Method (CPM), the set of activities that cause the delay are part of _____.

A) the Smith chart
B) the Portolan chart
C) the critical path
D) the throughput process
E) the control chart