# Civil Engineering - Estimating and Costing

### Exercise :: Estimating and Costing - Section 1

11.

Pick up the correct statement in case of water supply.

 A. Pipes laid in trenches and pipes fixed to walls are measured separately B. Cutting through walls and floors are included with the item C. Pipes are classified according to their sizes and quality D. In laying pipes, the method of jointing and fixing is specifically specified E. All the above.

Explanation:

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12.

In case of laying gullies, siphons, intercepting traps, the cost includes

 A. Setting and laying B. Bed concreting C. Connection to drains D. All of these.

Explanation:

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13.

In long and short wall method of estimation, the length of long wall is the centre to centre distance between the walls and

 A. breadth of the wall B. half breadth of wall on each side C. one fourth breadth of wall on each side D. None of these.

Explanation:

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14.

The height of the sink of wash basin above floor level is kept

 A. 60 cm B. 70 cm C. 75 cm to 80 cm D. 80 cm

Explanation:

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15.

While preparing a detailed estimate

 A. Dimension should be measured correct to 0.01 m B. Area should be measured correct to 0.01 sqm C. Volume should be measured correct to O.Olcum D. All the above.