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.

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

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Estimating and Costing
Pick up the incorrect statement regarding a master trap from the following:

The water seal is less than that of ordinary traps
It is provided in between the lower end of the house drain and the street sewer
It is provided a cleaning eye at the top of the trap
The mica flap valve which opens inwards only, is fitted at the top of the inlet pipe

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