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

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Construction Planning and Management
If the optimistic time, most likely time and pessimistic time for activity A are 4, 6 and 8 respectively and for activity B are 5, 5.5 and 9 respectively, then

expected time of both activities A and B are same
expected time of activity B is greater than the expected time of activity A
None of these
expected time of activity A is greater than the expected time of activity B

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

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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

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

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