Construction Planning and Management
Rolling resistance of a wheel depends upon
(i) Vehicle load
(ii) Grade
(iii) Ground conditions

(ii) and (iii) are correct
(i) and (iii) are correct
(i) and (ii) are correct
Only (i) is correct

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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
Variation in cost in materials element, labour element and petrol-oil-lubricant element
Increase in rates of only important materials

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