Industrial Engineering and Production Management
Micro motion study is

Study of man and machine conducted simultaneously
Motion study observed on enhanced time intervals
Motion study of a sequence of operations conducted systematically
Analysis of a man-work method by using a motion picture camera with a timing device in the field of view

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Industrial Engineering and Production Management
Activity slack or float of any event on a PERT/CPM chart is represented by

Latest start time of succeeding event earliest finish time of preceding event activity time
Latest finish time of event earliest finish time of the event
Anyone of the above
Latest start time of the event earliest start time of the event

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