Construction Planning and Management
Output of a bulldozer is(i) Increased if drawbar HP of the tractor is increased for a given hauling distance(ii) Decreased if drawbar HP of the tractor is increased for a given hauling distance(iii) Increased if the hauling distance is increased for a given drawbar HP of the tractor(iv) Decreased if the hauling distance is increased for a given drawbar HP of the tractor

(i) and (iv) are correct
(ii) and (iv) are correct
(i) and (iii) are correct
(ii) and (iii) are correct

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Construction Planning and Management
Mobilization advance up to 10% of the cost of work is given to a contractor

For the purchase of construction materials
On commencement of work at site for payment of loan taken by him
For all activities required to start the work at site on finalization of the contract document
For the payment of advances to labour and other staff

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

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

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Construction Planning and Management
Free float is mainly used to

Establish priorities
Identify the activities, which can be delayed without affecting the total float of succeeding activity
Identify the activities which can be delayed without affecting the total float of preceding activity
Identify the activities which can be delayed without affecting the total float of either the preceding or succeeding activities

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