If B is the width of formation, d is the height of the embankment, side slope S : 1, for a highway with no transverse slope, the area of cross-section is___________________?

Related Mcqs:

1. 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____________________?

   A. 3250 m3
   B. 3225 m3
   C. 3275 m3
   D. 3300 m3

2. A portion of an embankment having a uniform up-gradient 1 in 500 is circular with radius 1000 m of the centre line. It subtends 180° at the centre. If the height of the bank is 1 m at the lower end, and side slopes 2:1, the earth work involved ?

   A. 26,000 m3
   B. 26,500 m3
   C. 27,000 m3
   D. 27,500 m3

3. 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

4. The cross -sections for a highway is taken at_________________?

   A. Right angle to the centre line
   B. 30 metres apart
   C. Intermediate points having abrupt change in gradient
   D. All the above

5. The area of the cross-section of a road fully in banking shown in the given figure, is________________?

   A. [sb² + r² (2bd + sd)²]/(r² – s²)
   B. [sb² + r² (2bd + sd)²]/(r² – s5)
   C. [sb² + r² (2bd + sd)²]/(r – s)
   D. None of these

6. The cross -section of a road partly in banking and partly in cutting is shown in the given figure. The area of the shaded portion is__________________?

   A. b – rd)²/(r – s)
   B. b – rd)²/(r + s)
   C. ½ × (b + rd)²/(r – s)
   D. b – rd)²/(s – r)

7. The cost of the earthwork in excavation for the surface drain of cross-section shown in the given figure for a total length of 5 metres @ Rs. 450% cum, is_______________?

   A. Rs. 400
   B. Rs. 425
   C. Rs. 450
   D. Rs. 500

8. The slope of the outlet of ‘P trap’ below the horizontal is kept________________?

   A. 8°
   B. 10°
   C. 12°
   D. 14°

9. The excavation exceeding 1.5 m in width and 10 sq.m in plan area with a depth not exceeding 30 cm, is termed as_______________?

   A. Excavation
   B. Surface dressing
   C. Cutting
   D. Surface excavation

10. The minimum width of a septic tank is taken__________________?

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