Estimating and Costing
The reduced levels of points, 30 metres apart along the longitudinal section of a road portion between chainages 5 and 9 are shown in the given figure. If there is a uniform up-gradient of the road 120 in 1, the chainage of the point with no filling or cutting is

(6 + 15) chains
(6 + 12) chains
None of these
(6 + 18) chains

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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
All of these
In thin slabs, 12 mm minimum or diameter of the bar whichever is more
For reinforcing longitudinal bar in a beam 25 mm minimum or diameter of the largest bar which is more

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