Industrial Engineering and Production Management
The purpose of micro-motion study is to

Train the individual operator regarding the motion economy principles
Assist in finding out the most efficient way of doing work
All of these
Help in collecting the motion time data for synthetic time standards

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

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

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