Industrial Engineering and Production Management
Work study is mainly aimed at

Determining the most efficient method of performing a job
Establishing the minimum time of completion of a job
Developing the standard method and standard time of a job
Economizing the motions involved on the part of the worker while performing a job

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Industrial Engineering and Production Management
Critical Path Net Work helps an engineer

All of these
To be cautious for avoiding any delay in the critical activities to avoid delay of the whole project
To concentrate his attention on critical activities
To divert the resources from noncritical advanced activities to critical activities

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Industrial Engineering and Production Management
Pick up the incorrect statement about advantages of work sampling

Simultaneous study of many operators may be made by a single observer
Permits a fine breakdown of activities and delays
Calculations are easier, method is economical and less time consuming
No time measuring devices are generally needed

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