Industrial Engineering and Production Management
The technique for establishing and maintaining priorities among the various jobs of any project is known as

Critical ratio scheduling
Slotting technique for scheduling
Short interval scheduling
Event flow scheduling technique

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

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

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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
The average service rate Hess than the average arrival rate
Output rate is constant and the input varies in a random manner

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