# Civil Engineering - Estimating and Costing

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

21.

The plinth area of a building not includes

 A. area of the walls at the floor level B. area of stair cover C. internal shaft for sanitary installations up to 2 sq m. in area D. lift and wall including landing E. area of cantilevered porch.

Explanation:

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

22.

For 12 mm thick cement plastering 1 : 6 on 100 sq.m new brick work, the quantity of cement required, is

 A. 0.200 m3 B. 0.247 m3 C. 0.274 m3 D. 0.295 m3

Explanation:

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23.

The minimum width of a septic tank is taken

 A. 70 cm B. 75 cm C. 80 cm D. 90 cm

Explanation:

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24.

The item of the brick structure measured in sq.m, is

 A. Reinforced brick work B. Broken glass coping C. Brick edging D. Brick work in arches.

Explanation:

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25.

The inspection pit or chamber is a manhole provided in a base drainage system

 A. at every change of direction B. at every change of gradient C. at every 30 m intervals D. at the point where vertical soil pipe joins the house drain E. All the above.