In India, are prefabricated components costlier than those of traditional cast-in-situ items that the prefabricated components replace?

Pick up the correct statement from the following:

In time-cost optimization of a project, crashing is done.

The technique for establishing and maintaining priorities among the various jobs of a project, is known

Time and progress chart of a construction, is also known as

Site order book is used for recording

Updating may result in

Pick up the correct statement from the following:

In PERT analysis, the time estimates of activities and probability of their occurrence follow