Industrial Engineering and Production Management
Which of the following are the guidelines for the construction of a network diagram?

Dangling must be avoided in a network diagram
Each activity is represented by one and only one arrow in the network
Dummy activity consumes no time or resource
All of the these

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

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

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