Construction Planning and Management
An excavator costs Rs. 20,00,000 and has an estimated life of 8 years. It has no salvage value at the end of 8 years. The book value of the excavator at the end of 3 years using general double declining balance method is

Rs. 8,75,000
Rs. 11,56,250
Rs. 10,50,000
Rs. 8,43,750

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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

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

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Construction Planning and Management
Earliest finish of an activity is always

Less than earliest event time of the following node
Greater than or equal to earliest event time of the following node
Greater than earliest event time of the following node
Less than or equal to earliest event time of the following node

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

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