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 project A
should invest in neither of the two projects

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

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Construction Planning and Management
During the construction period, price variation clause in contracts caters to

Increase in rates of only important materials
Rate of inflation
Variation in cost in materials element, labour element and petrol-oil-lubricant element
Variation in total cost of the project on an ad hoc basis

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Construction Planning and Management
Pick up the correct statement from the following with regards to C.P.M. network analysis of projects

Earliest occurrence time of the event from which the activity arrow' originates, is called earliest start time of the activity
All listed here
The latest occurrence time of the node of which the activity arrow terminates minus the duration of the activity, is called latest start time
The latest occurrence time for the node at which the activity arrow terminates, is called latest finish time

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