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
3300 m³
3275 m³

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Estimating and Costing
Pick up the correct statement regarding the centre line method of estimating a building

All of these
The centre line length is reduced by half the layer of main wall joining the partition wall
The centre line is worked out separately for different sections of walls of a building
Product of the centre line of the walls and area of cross-section of any item, gives total quantity of the item

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

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
The water seal is less than that of ordinary traps

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