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

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

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Construction Planning and Management
Batching refers to

Weighing accurately, the quantity of each material for a job before mixing
Adjusting the water to be added in each batch according to the moisture content of the materials being mixed in the batch
Controlling the total quantity at each batch
Controlling the quantity of each material into each batch

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Construction Planning and Management
Preliminary project report for a road project must contain

The several alternatives of the project that have been considered
The soil survey, traffic survey, concept design and approximate cost
The contract documents for inviting tenders
The detailed estimated cost based on detailed design

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