Construction Planning and Management
Consider the following statements: In the bar chart planning 1. Interdependence of the operations cannot be portrayed. 2. Progress of work can be measured. 3. Spare time of the activities can be determined. 4. Schedule cannot be updated.

1, 2 and 3 are correct
1 and 4 are correct
2, 3 and 4 are correct
1, 2 and 4 are correct

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Construction Planning and Management
In time-cost optimization of a project, crashing is done.

On all the activities
Only on activities lying on the original critical path and having flatter cost slopes
On all the activities lying on the critical path
On original critical activities and those that become critical at any stage of crashing in the order of ascending cost slope

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