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Multiple Choice Quiz
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1
Projects are large, complex sets of tasks that must be completed in a limited timeframe.
A)True
B)False
2
A path is a sequence of activities in a project that stretches from its beginning to its end.
A)True
B)False
3
An activity may be on more than one path in a network diagram.
A)True
B)False
4
An activity that is at the intersection of two paths is a critical activity.
A)True
B)False
5
The critical path is the path that has the most activities.
A)True
B)False
6
The slack of any path is the difference between its time length and the time length of the critical path.
A)True
B)False
7
Projects typically go through a sequence of stages, referred to as a life cycle.
A)True
B)False
8
The critical chain approach in project management emphasizes supply chain relationships.
A)True
B)False
9
A key feature of the critical chain approach is the use of various buffers.
A)True
B)False
10
A dummy activity is sometimes needed in an activity-on-node diagram.
A)True
B)False
11
The standard deviation of a path is equal to the sum of the standard deviations of the path's activities.
A)True
B)False
12
Two activities in a PERT diagram cannot begin with the same node and end with the same node.
A)True
B)False
13
A project champion is a project manager who has successfully completed a number of projects.
A)True
B)False
14
The only candidates for crashing are activities that are on the critical path.
A)True
B)False
15
If the z value for a path is greater than +3.00, the probability that it will be completed on time is zero.
A)True
B)False
16
An important assumption in probabilistic computations is
A)activity times are normally distributed.
B)activity times are independent.
C)An A-O-A diagram is used.
D)performance objectives are met.
17
In PERT, the distribution that is used to describe activity times is
A)discrete
B)uniform
C)normal
D)beta
E)Poisson
18
Which one of these is not a differentiating feature of project management versus traditional management?
A)Limited time frame
B)Narrow focus
C)Less bureaucratic
D)Use of resources.
19
Which one is not a key project metric?
A)effort
B)cost
C)time
D)performance
20
What is the mean of an activity that has these three time estimates? 3-5-10
A)5
B)5.5
C)6
D)6.5
E)None of these
21
What is the variance of an activity that has these three time estimates? 4-7-10
A)1.00
B)1.36
C)6.00
D)10.5
E)None of these.
22
One path in a precedence diagram has four activities. If the standard deviation of each activity is 3.0, the path standard deviation is:
A)3
B)6
C)9
D)12
E)None of these.





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