Industrial Engineering and Production Management
A big advantage of PERT over Gantt charts is that in the former case

Activity times are clear
Activities and events are clearly shown
Interrelationship among activities is clearly shown
Early start and late finish of an activity are clearly marked

ANSWER DOWNLOAD EXAMIANS APP

Industrial Engineering and Production Management
In queuing theory, the nature of the waiting situation can be studied and analysed mathematically if

Complete details of items in, waiting line are known
All variables and constants are known and form a linear equation
Arrival and waiting times are known and can be grouped to form a waiting line model
The laws governing arrivals, service times, and the order in which the arriving units are taken into source are known

ANSWER DOWNLOAD EXAMIANS APP