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

12500 kg
10000 kg
22500 kg
5000 kg

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Construction Planning and Management
Consider the following statements for a power shovel:
(i) Output can be increased by reducing the angle of swing for a given depth of cut.
(ii) For a given angle of swing, output will be maximum at optimum depth of cut.
(iii) Output can be increased by keeping the depth of cut less than optimum depth.
(iv) Output can be increased by increasing the size of shovel.

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

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Construction Planning and Management
The reduction in project time normally results in

Increasing the direct cost and indirect cost both
Decreasing the direct cost and indirect cost both
Increasing the direct cost and decreasing the indirect cost
Decreasing the direct cost and increasing indirect cost

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