Industrial Engineering and Production Management
Which of the following statement is correct about the network diagram?

The head of the arrow represents the end of an activity.
The events are represented graphically by circles or nodes at the beginning and the end of activity by arrows.
The tail end of the arrow represents the start of an activity.
All of the these

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

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

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