Industrial Engineering and Production Management
In order that linear programming techniques provide valid results

Relations between factors must be linear (positive)
Either (A) or (B)
Only one factor should change at a time, others remaining constant
Relations between factors must be linear (negative)

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Industrial Engineering and Production Management
Scheduling

Prescribes the sequence of operations to be followed
Determines the programme for the operations
Regulates the progress of job through various processes
Is concerned with starting of processes

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Industrial Engineering and Production Management
Slack represents the difference between the

Latest allowable time and the normal expected time
Latest allowable time and the earliest expected time
Normal allowable time and the latest expected time
Proposed allowable time and the earliest expected time

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Industrial Engineering and Production Management
Micro motion study is

Motion study of a sequence of operations conducted systematically
Study of man and machine conducted simultaneously
Motion study observed on enhanced time intervals
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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