Estimating and Costing
A portion of an embankment having a uniform up-gradient 1 in 500 is circular with radius 1000 m of the centre line. It subtends 180° at the centre. If the height of the bank is 1 m at the lower end, and side slopes 2:1, the earth work involved.

26,500 m³
27,000 m³
27,500 m³
26,000 m³

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

At the end of reinforcing bar, not less than 25 mm or twice the diameter of the bar
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
All of these

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