# Civil Engineering - Estimating and Costing

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

26.

In the mid-section formula

 A. The mean depth is the average of depths of two consecutive sections B. The area of mid-sections is calculated by using mean depth C. The volume of the earth work is calculated by multiplying the mid-section area by the distance between the two sections D. The volume of the earth work is calculated by multiplying the mid-section area by the distance between the two original sections E. (a), (b) and (c) of the above.

Explanation:

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27.

The item of steel work which is measured in sq.m, is

 A. Collapsible gates B. Rolling shutters C. Steel doors D. Ventilators and glazing. E. All the above.

Explanation:

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28.

The value of 'C' of Indian type W.C. shown in the given figure is : A. 400 mm B. 450 mm C. 500 mm D. 550 mm

Explanation:

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29.

The area of a sloping surface of a protective embankment of mean height d, side slopes S : 1 and length L is

 A. d x d x s B. d2 x (ds)2 C. L.D 1 + s2 D. 2 LD 1 + s2

Explanation:

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30.

If the formation level of a highway has a uniform gradient for a particular length, and the ground is also having a longitudinal slope, the earthwork may be calculated by

 A. Mid-section formula B. Trapezoidal formula C. Prismoidal formula D. All the above.