# Civil Engineering - Estimating and Costing

### Exercise :: Estimating and Costing - Section 2

21.

According to Indian Standards Institute, the actual size of modular bricks is

 A. 23 cm x 11.5 cm x 7.5 cm B. 25 cm x 13 cm x 7.5 cm C. 19 cm x 9 cm x 9 cm D. 20 cm x 10 cm x 10 cm

Explanation:

No answer description available for this question. Let us discuss.

22.

While estimating the qualities for the construction of a building, the correct metric unit is

 A. Metre for length B. Cubic metre for area C. Square metres for volume D. Kilogram for weight E. Litre for capacity

Explanation:

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23.

The slope of the oultet of 'P trap' below the horizontal is kept

 A. 8° B. 10° C. 12° D. 14°

Explanation:

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24.

Pick up the correct statement from the following:

 A. In a gully trap, a water seal of 6 to 7.5 cm is provided B. The gully trap collects waste water from the kitchen, sink, wash basins, etc. C. The gully trap disconnects the sullage drain from the main drainage system D. The grating provided over gully traps is 23 cm square.

Explanation:

No answer description available for this question. Let us discuss.

25.

The unit of measurement is per quintal for the following:

 A. Collapsible gates with rails B. Rolling shutters C. Expanded metal wire netting D. M.S. reinforcement of R.C.C. works.