Industrial Engineering and Production Management
Activity slack or float of any event on a PERT/CPM chart is represented by

Latest start time of the event earliest start time of the event
Anyone of the above
Latest start time of succeeding event earliest finish time of preceding event activity time
Latest finish time of event earliest finish time of the event

ANSWER DOWNLOAD EXAMIANS APP

Industrial Engineering and Production Management
The basic difference between PERT and CPM is that

PERT deals with events and CPM with activities
Costs are considered on CPM only and not in PERT
Critical path is determined in PERT only
Guessed times are used in PERT and evaluated times in CPM

ANSWER DOWNLOAD EXAMIANS APP