Construction Planning and Management
A four wheel truck or whose operating weight is 12000 kg is pulled along a road having a rising slope of 2% at a uniform speed. Assume grade resistance factor = 10 kg/tonne. The tension in the tow cable is 720 kg. The rolling resistance of the road will be

20 kg/tonne
30 kg/tonne
50 kg/tonne
40 kg/tonne

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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

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

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Construction Planning and Management
Sinking fund is

The total sum to be paid to the municipal authorities by the tenants
The fund for rebuilding a structure when its economic life is over
A part of the money kept in reserve for providing additional structures and structural modifications
Raised to meet maintenance costs

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