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

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

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

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