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 kg Scraper 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
5000 kg
10000 kg
22500 kg

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Construction Planning and Management
At a work site, statistical quality control of concrete means

Applying the theory' of probability to sample testing or inspection
Reduction in wastage of inspection costs
Reduction in costs for the removal of defects
Measurement of risks to eliminate failures

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Construction Planning and Management
Preliminary project report for a road project must contain

The soil survey, traffic survey, concept design and approximate cost
The contract documents for inviting tenders
The several alternatives of the project that have been considered
The detailed estimated cost based on detailed design

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

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