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

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

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Industrial Engineering and Production Management
Work sampling is applied for

Estimation of the percentage utilization of machine tools
Estimating the percentage of the time consumed by various job activities
All of these
Finding out time standards, specially where the job is not repetitive and where time study by stop watch method is not possible

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