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
No, because of savings in site labour
Yes, because of heavier overheads and handling cost

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Construction Planning and Management
Latest start of an activity is always

less than latest event time of preceding node
equal to latest event time of preceding node
greater than or equal to latest event time of preceding node
less than or equal to latest event time of preceding node

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