Industrial Engineering and Production Management
The reasons which are basically responsible for the formation of a queue should be that

Output rate is linearly proportional to input
All of these
Output rate is constant and the input varies in a random manner
The average service rate Hess than the average arrival rate

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP