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
Equal to X
More than X

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

Increase in rates of only important materials
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

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