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

No, because of repetitive manufacture of a number of elements
Yes, because of the very high order of quality control for the factory made components
Yes, because of heavier overheads and handling cost
No, because of savings in site labour

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Construction Planning and Management
Total float for any activity is defined as the difference between

Its earliest finish time and earliest start time for its successor activity
Its latest start time and earliest finish time
Its latest start time and earliest start time
Its latest finish time and earliest start time for its successor activity

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Construction Planning and Management
At a work site, statistical quality control of concrete means

Applying the theory' of probability to sample testing or inspection
Reduction in wastage of inspection costs
Measurement of risks to eliminate failures
Reduction in costs for the removal of defects

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