1. In AOA networks, an activity of zero duration is called a(n) ________.
a) dummy activity
b) critical
c) important
d) critical activity
2. The __________ chart shows planned and actual progress for a number of tasks displayed against a horizontal timescale.
a) PERT
b) timeline
c) critical
d) Gantt
3. 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.
a) 13
b) 14
c) 9
d) 22
4. 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.
a) 2
b) 1.5
c) 2.33
d) 1.67
5. 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.
a) 0
b) 5
c) 10
d) 20
6. 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.
a) 5.167
b) 5
c) 4.67
d) 3.2
7. A __________ is a combination of interrelated activities and events depicted with arcs and nodes.
a) linked plan
b) chain of events
c) critical chain
d) network
8. In AON diagrams, a(n) __________ is a point where one or more lines (arrows) begin or terminate, commonly used for depicting an event or activity.
a) activity
b) path
c) node
d) arc