Question 1

The advantages of scheduling include all of the following EXCEPT:

Accepted Answer

A)   is necessary in order to determine the cash flow.
B)   is necessary in order to determine the workload on individuals
C)   provides absolute certainty about the end date.
D)   is necessary in order to utilize resources efficiently. C

Question 2

If Activity A has to be performed before Activity B can start, then:

Accepted Answer

A)   A is a predecessor to B.
B)   B is a predecessor to A.
C)   there is a discretionary dependency or external dependency between A and B.
D)   the relationship between A and B can only be indicated on an AON network. A

Question 3

Statement: Redundant activities are activities that are repetitive of others and can be deleted from the project.

Accepted Answer

A) True 
 B)False  False

Question 4

Use the following Gantt chart and table to answer questions (a) and (b).
  (a) On this diagram, show the total daily workers required (loading) assuming early start times for all activities. Show what portion of the total labor loading each day comes from each activity.
  (b) On this diagram, balance the loading of workers by shifting activities so that no more than 20 workers per day are needed. Assume that the project must be completed in eight days.

Accepted Answer

The answer of Use the following Gantt chart and table...

Question 5

The latest allowable finish time that an event can occur, LF, depends on:

Accepted Answer

A)   the earliest possible start time of all of its immediate predecessors
B)   the latest allowable start times of all of its immediate predecessors
C)   neither a nor b

Question 6

In the PDM method (circle all that are true):

Accepted Answer

A)   activities cannot be started before immediate predecessors are completed
B)   activities can be repeated
C)   activities can be started when immediate predecessors are only partially completed
D)   there is more flexibility in scheduling than in the usual finish-to-start method

Question 7

In a network, the critical path indicates:

Accepted Answer

A)   the shortest possible time in which the project can be done
B)   the longest possible duration of the project
C)   neither (a)  nor (b) 
D)   both (a)  and (b)

Question 8

The critical path:

Accepted Answer

A)   is shortest path through a project network.
B)   does not change during project execution.
C)   always has zero slack.
D)   has the smallest slack in the project.
E)   all of the above.

Question 9

The forward and backward pass:

Accepted Answer

A)   determine the early and late start dates of activities, respectively.
B)   determine the float (slack)  of activities.
C)   determine the critical path.
D)   all of the above.
E)   (a)  and (c)  above

Question 10

If an activity has two immediate successors and their late start times are 26 and 33, respectively, then the late finish time of that activity must be:

Accepted Answer

A)   26
B)   33
C)   cannot be determined from this information

Question 11

Use the table and network below to answer parts (a) through (d).
 $$\begin{array} { c | c | c | c } 
\text { Activity } & \begin{array} { c } 
\text { Time } \
\text { (Weeks) }
\end{array} & \begin{array} { c } 
\text { Weekly } \
\text { Cost (\$ K) }
\end{array} & \begin{array} { c } 
\text { Total } \
( \$ \mathrm {~K} )
\end{array} \
\hline \text { A } & 5 & 2 & 10 \
\text { B } & 8 & 3 & 24 \
\text { C } & 6 & 4 & 24 \
\text { D } & 3 & 3 & 9 \
\text { E } & 4 & 2 & 8 \
\text { F } & 3 & 1 & \underline{3} \
& & & 78
\end{array}$$  (a) On the network above, show ES, EF, LS, and LF for every event.
 (b) Below, construct a Gantt chart for the network using only ES's and EF's.
  (C)Using costs from the table and the Gantt chart in (b), show weekly costs for the project.
  (d) Below, using the chart in (c) as a guide, construct a chart showing estimated cumulative project expenditures.

Accepted Answer

The answer of Use the table and network below to...

Question 12

The early expected start time, ES, of an activity depends on the completion:

Accepted Answer

A)   of the latest EF of all of the immediate predecessor activities
B)   of the earliest EF of all of the immediate predecessor activities
C)   neither a nor b

Question 13

Statement: The term "dummy activity" is a misnomer since each dummy represents work, takes time, and requires use of resources.

Accepted Answer

A) True 
 B)False

Question 14

Statement: If an activity has multiple predecessors, its late start is determined by the latest finish of its predecessors.

Accepted Answer

A) True 
 B)False

Question 15

In a network, the critical path is that sequence of activities that requires:

Accepted Answer

A)   the longest time to complete
B)   the shortest time to complete
C)   both a and b

Question 16

Level the resources for the activities below:

Accepted Answer

The answer of Level the resources for the activities below:...

Question 17

Which one of the following statements is true:

Accepted Answer

A)   in an AOA diagram, each activity is represented as a line.
B)   in an AON diagram, each activity is represented as a square.
C)   in an AOA diagram, nodes represent events.
D)   both a and b
E)   a, b, and c

Question 18

Doing a project fast has the following advantages:

Accepted Answer

A)   achieving benefits sooner.
B)   reduced risk of stakeholders' needs changing.
C)   guarantees success since all projects have a predetermined due date.
D)   all of the above.
E)   (a)  and (b)  above.

Question 19

Statement: The total slack of each of the activities on a subpath will be the same as the total slack of the other activities on the subpath.

Accepted Answer

A) True 
 B)False

Question 20

Statement: The free slack of each of the activities on a subpath will be the same as the free slack of the other activities on the subpath.

Accepted Answer

A) True 
 B)False

Exam 7: Project Schedule Planning and Networks

The advantages of scheduling include all of the following EXCEPT:

If Activity A has to be performed before Activity B can start, then:

Statement: Redundant activities are activities that are repetitive of others and can be deleted from the project.

The latest allowable finish time that an event can occur, LF, depends on:

In the PDM method (circle all that are true) :

In a network, the critical path indicates:

The critical path:

The forward and backward pass:

If an activity has two immediate successors and their late start times are 26 and 33, respectively, then the late finish time of that activity must be:

The early expected start time, ES, of an activity depends on the completion:

Statement: The term "dummy activity" is a misnomer since each dummy represents work, takes time, and requires use of resources.

Statement: If an activity has multiple predecessors, its late start is determined by the latest finish of its predecessors.

In a network, the critical path is that sequence of activities that requires:

Level the resources for the activities below:

Which one of the following statements is true:

Doing a project fast has the following advantages:

Statement: The total slack of each of the activities on a subpath will be the same as the total slack of the other activities on the subpath.

Statement: The free slack of each of the activities on a subpath will be the same as the free slack of the other activities on the subpath.