problem 1: A project is programmed below. The numbers in the circles are the expected completion time in days.
a) Recognize the main steps in applying the PERT method.
b) Set out the conditions which must be satisfied for the PERT to be applicable.
c) find out the earliest expected starting time and the earliest expected finishing time for each activity.
d) What do you mean by critical path?
e) If the project must be done in 21 days, what is the total slack or ‘safety factor’?
f) Find out the total slack in (i) activity d and (ii) in activity c?
g) Determine the free slack in (i) activity a and (ii) activity b?