Construction Planning and Management
If the optimistic time, most likely time and pessimistic time for activity A are 4, 6 and 8 respectively and for activity B are 5, 5.5 and 9 respectively, then

expected time of activity B is greater than the expected time of activity A
None of these
expected time of activity A is greater than the expected time of activity B
expected time of both activities A and B are same

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Construction Planning and Management
Preliminary project report for a road project must contain

The several alternatives of the project that have been considered
The soil survey, traffic survey, concept design and approximate cost
The contract documents for inviting tenders
The detailed estimated cost based on detailed design

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Construction Planning and Management
During the construction period, price variation clause in contracts caters to

Variation in total cost of the project on an ad hoc basis
Rate of inflation
Increase in rates of only important materials
Variation in cost in materials element, labour element and petrol-oil-lubricant element

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