Construction Planning and Management
A tractor whose weight is 20 tonnes has a drawbar pull of 2500 kg, when operated on a level road having a rolling resistance of 30 kg per tonne. If this tractor is operated on a level road having a rolling resistance of 40 kg per tonne, then the drawbar pull of the tractor will

Increase by 250 kg
Reduce by 200 kg
Increase by 200 kg
Reduce by 250 kg

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Construction Planning and Management
A contractor has two options;(l) : Invest his money in project A or (II) : Invest his money in project B. If he decides to invest in A, for every rupee invested, he is assured of doubling his money in ten years. If he decides to invest in B, he is assured of making his money 1.5 times in 5 years. If the contractor values his money at 10% interest rate, he

should invest in project B
could invest in either of the two projects
should invest in neither of the two projects
should invest in project A

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Construction Planning and Management
Sinking fund is

A part of the money kept in reserve for providing additional structures and structural modifications
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
Raised to meet maintenance costs

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