Industrial Engineering and Production Management
The critical path of a network represents

Minimum cost required for completion of project
The minimum time required for completion of project
Maximum cost required for completion of project
The maximum time required for completion of project

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

No time measuring devices are generally needed
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

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Industrial Engineering and Production Management
The essential condition for the decompression of an activity is that

The project time should change due to decompression
After decompression the time of an activity invariably exceeds its normal time
An activity could be decompressed to the maximum extent of its normal time
An activity could be decompressed to the maximum extent of its normal time

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