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ENGR-502 Mod 9

ENGR-502 Exam II

QuestionAnswer
Preceding activities are those that must occur before others can be done. True
A backward pass is performed when it is necessary to undo some work that has been performed in order to complete it properly. False
Float is always measured in exactly the same way as slack. True
Burst activities are those with two or more successor activities. True
In assigning a value for the most pessimistic (b) duration, the project manager should estimate the duration of the activity to have a 99% likelihood that it will take b or less amount of time. True
The late start time should be calculated using a forward pass through the network. False
Laddering is a technique that allows the project manager to redraw the network to more closely sequence project subtasks to make the overall network sequence more efficient. True
At a burst point in a backward pass, the largest succeeding late start becomes the late finish for that node. False
Activity float is the difference between the late finish and early finish for the activity in question. True
The term ordered activity means: tasks must either precede or follow other tasks in project planning and management.
A sequence of activities defined by the project network logic is a(n): Path
One of the defining points of a network, a junction point joined to some or all of the others by dependency lines, is called a(n): Node
These can be located by doing a backward pass through a network. Burst Activities
An activity with two or more immediate predecessors is a(n): Merge Activity
The least amount of float is found: on the critical path
The variance of an activity is given by: [1/6(b-a)] ^2
An activity has an optimistic time estimate of 15 days, a most likely estimate of 24 days, and a pessimistic estimate of 40 days. What is the expected duration of the activity? less than 26 days but greater than or equal to 25 days
An activity has an optimistic time estimate of 7 days, a most likely estimate of 12 days, and a pessimistic estimate of 20 days. What is the expected standard deviation of the activity? between 2 and 3 days
The amount of time an activity may be delayed from its early start without delaying the finish of the project is the: Float
Negative float exists when a project's critical path has been completed more quickly than anticipated. False
Created by: sdturner
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