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____________________?

Related Mcqs:

1. 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

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 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___________________?

   A. B + d + Sd
   B. Bd + Sd2
   C. B × d – Sd1/2
   D. ½ (Bd + Sd2)

4. The reduced levels of points, 30 metres apart along the longitudinal section of a road portion between chainages 5 and 9 are shown in the given figure. If there is a uniform up-gradient of the road 120 in 1, the chainage of the point with no filling or cutting is__________________?

   A. (6 + 15) chains
   B. (6 + 12) chains
   C. (6 + 18) chains
   D. None of these

5. 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

6. The correct Prismoidal formula for volume is________________?

   A. D [first area + last area + Even area + 2 odd areas] B. D/3 [first area + last area + 4 Even area + 2 odd areas]
   C. D/3 [first area + last area + 2 Even area + 4 odd areas] D. D/6 [first area + odd areas]

7. The total length of a cranked bar through a distance D. at 45° in case of a beam of effective length L, is_________________?

   A. L + 0.42 d
   B. L + (2 × 0.42 d)
   C. L – (0.42 d)
   D. L – (2 × 0.4 d)

8. The diameter of a domestic sewer pipe laid at gradient 1 in 100 is recommended___________________?

   A. 100 mm
   B. 150 mm
   C. 200 mm
   D. 175 mm

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