Construction Planning and Management
A wheeled tractor hauling unit is working on firm earth. The total loaded weight distribution of this unit is:Drive wheels: 25000 kgScraper wheels: 10000 kgIf the coefficient of traction for wheeled tractor on firm earth is 0.5, the rimpull which this tractor can exert without slipping is

10000 kg
12500 kg
5000 kg
22500 kg

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Construction Planning and Management
In India, are prefabricated components costlier than those of traditional cast-in-situ items that the prefabricated components replace?

No, because of savings in site labour
No, because of repetitive manufacture of a number of elements
Yes, because of the very high order of quality control for the factory made components
Yes, because of heavier overheads and handling cost

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