Estimating and Costing
The ground surface slopes 1 in 50 along a proposed railway embankment 150 m in length. The height of the embankment at zero chainage is 0.5 m, the width is 11 m and side slopes 2:1. If the falling gradient of the embankment is 1 in 150, the quantity of the earthwork calculated by Prismoidal formula, is

3225 m³
3250 m³
3275 m³
3300 m³

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Estimating and Costing
While estimating a reinforced cement structure, the omitted cover of concrete is assumed

All of these
For reinforcing longitudinal bar in a beam 25 mm minimum or diameter of the largest bar which is more
In thin slabs, 12 mm minimum or diameter of the bar whichever is more
At the end of reinforcing bar, not less than 25 mm or twice the diameter of the bar

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