Construction Planning and Management
In the given figure, the network of a project represents

Activity of excavation which takes 8 units of time
None of these
Activity of an excavation which starts at event No. 1 and ends at even No. 2
Activity of an excavation of a footing

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Construction Planning and Management
Free float is mainly used to

Identify the activities which can be delayed without affecting the total float of either the preceding or succeeding activities
Identify the activities, which can be delayed without affecting the total float of succeeding activity
Identify the activities which can be delayed without affecting the total float of preceding activity
Establish priorities

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

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Construction Planning and Management
Mobilization advance up to 10% of the cost of work is given to a contractor

On commencement of work at site for payment of loan taken by him
For the payment of advances to labour and other staff
For the purchase of construction materials
For all activities required to start the work at site on finalization of the contract document

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