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

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

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Industrial Engineering and Production Management
The correct sequence of phases in value engineering is

Creative phase, investigation phase, evaluation phase, information phase
Investigation phase, information phase, creative phase, evaluation phase
Information phase, creative phase, investigation phase, evaluation phase
Creative phase, information phase, investigation phase, evaluation phase

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