Construction Planning and Management
If the output of a drag-line for 90° angle of swing at optimum depth of cut is X, then the output for 120° angle of swing at 120 % of optimum depth of cut will be

Less than X
Any of the above
More than X
Equal to X

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

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

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