Estimating and Costing
Pick up the correct statement in case of water supply.

Cutting through walls and floors are included with the item
Pipes are classified according to their sizes and quality
Pipes laid in trenches and pipes fixed to walls are measured separately
All of these

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Estimating and Costing
In the mid-section formula

The volume of the earth work is calculated by multiplying the mid-section area by the distance between the two original sections
All of these
The mean depth is the average of depths of two consecutive sections
The area of mid-sections is calculated by using mean depth

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