1.Which of the following statements is true about a precedence relationship in a
ID: 451836 • Letter: 1
Question
1.Which of the following statements is true about a precedence relationship in a project management activity network diagram?
a)If activity B has a precedence relationship with activity A then Activity A must be done before activity B.
b)A precedence relationship states that the two activities can be done in parallel or at the same time.
c)A precedence relationship states that the activities can be shown in the same bar on a Gantt chart.
d)A precedence relationship states it that each item is high-priority in the project.
Critical Path Method Table:
Use this table to answer questions 2 and 3.
PATH
Activity 1 Time
Activity 2 Time
Activity 3 Time
Activity 4 Time
A
3
4
6
2
B
2
3
1
2
C
4
5
3
4
D
2
3
1
2
2. Which of the following paths in the above table is on the critical path? Note: You need to first understand what puts the path on the critical path and then you select the path from the table above.
a)Path A is on the critical path.
b)Path D is on the critical path because it can be done the fastest.
c)Path B is on the critical path.
d)Path C is on the critical path.
3.Using the table above, how much slack does Path C have?
a)Path C has 1 week slack because the second longest path finishes 1 week earlier.
b)Path C is not on the critical path and therefore has no slack
c)Path C is on the critical path and therefore has zero slack. If the critical path is late the whole project will be late.
d)Path A activity 3 is the only item with slack because it takes the longest.
4.A Key Performance Indicator (KPI) is Days of Supply. Why is this important to know?
a)It is important to know how many days it will take your supplier to deliver your products.
b)All KPIs are important to ensure timely delivery to the customer
c)This KPI tells you how many days of supply you have left before you run out
d)This is used to calculate the cost of the inventory on hand by knowing how much inventory you have on hand at any given time.
PATH
Activity 1 Time
Activity 2 Time
Activity 3 Time
Activity 4 Time
A
3
4
6
2
B
2
3
1
2
C
4
5
3
4
D
2
3
1
2
Explanation / Answer
1.Which of the following statements is true about a precedence relationship in a project management activity network diagram?
a)If activity B has a precedence relationship with activity A then Activity A must be done before activity B.
2-The table doesn't makensense, whether the row in top is ES,EF,LS& LF not known
The precedence relation is not given,
4-This KPI tells you how many days of supply you have left before you run out
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