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, PASSMATE TUTORIALS passmatetutorials@gmail.com
CONTACT PASSMATE TUTORIALS @061 262 1185/068 053 8213/0717 513 144 OR
email passmatetutorials@gmail.com
Question text
Consider the following table of activities that describes a project network. Without causing
the critical path to become noncritical or otherwise wasting money, by how many days
max could you crash this project? Assume you can crash only one activity at a time and
that crashing is necessary regardless of cost. You do not want to crash the critical path(s)
beyond the point where it (they) is no longer critical as this will not reduce project duration.
Normal Crash
ActivityPredecessorsdurationdurationNormal costCrash cost
(days) (days)
A -- 10 5 R 1,000 R 3,000
B A 20 10 R 4,000 R 6,000
C A 5 4 R 2,000 R 4,000
D B, C 3 2 R 1,000 R 2,000
E B, C 20 10 R 5,000 R 10,000
F B, C 4 3 R 3,000 R 4,000
G D, E, F 10 5 R 2,000 R 5,000
a. From 60 days to 50 days
b. From 60 days to 40 days
c. From 60 days to 30 days
d. From 60 days to 20 days
e. From 60 days to 10 days
Question text
An activity's normal time and cost are 10 and R120, respectively. Its estimated crash time
and cost are 7 and R180, respectively. What is this activity's crash cost per time unit?
a. R20
b. R30
c. R40
d. R50
e. R60
Question text
When crashing a schedule, this may set in when a least-cost method is used.
a. Increased risk
b. Fatigue and resentment
c. Increased cost
d. Decrease in available management reserve
e. Reduced quality
Question text
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