CPA

Question 1

State two advantages of CPA:

Answer 1

1: Helps to reduce risks and costs of complex projects 2: helps to make decisions and a plan at the same time

Question 2

State two disadvantages of CPA:

Answer 2

1: Reliability of CPA largely based on accurate estimations and assumptions made
2: Resources may not be as flexible as hoped by management

Question 3

How do you calculate: Float

Answer 3

LFT - Duration - EST = FLOAT

Question 4

Define CPA:

Answer 4

This is a method of organising the activities in a project to find the most efficient method of completing a project, without wasting resources. (TIME, MONEY, MATERIALS)

Question 5

What is EST?

Answer 5

Earliest Start Time

Question 6

What does EST do?

Answer 6

This shows the earliest time an activity can be started. It is dependent on the previous activity being completed.

Question 7

What is LFT?

Answer 7

Latest Finish Time

Question 8

What does LFT do?

Answer 8

LFT is the latest possible time for a task to finish avoiding delays in the project. Any delay in tasks will hold up the project and the completion will be delayed.

Question 9

What are four common errors in CPA network construction?

Answer 9

• The diagram must start and end with a node.
• The connecting arrows must show an activity (and times)
• The arrows must never cross over.
• You must never enter an end node until you know what comes next and whether there are more simultaneous tasks.