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
✅ The correct answer is option A.
Estimating and Costing MCQs
2. The order of booking dimensions is________________?
A. Length, breadth, height
B. Breadth, length, height
C. Height, breadth, length
D. None of these
✅ The correct answer is option A.
3. 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)
✅ The correct answer is option A.
4. Brick walls are measured in sq. m if the thickness of the wall is_________________?
A. 10 cm
B. 15 cm
C. 20 cm
D. None of these
✅ The correct answer is option A.
5. The volume is measured correct to the nearest__________________?
A. 0.01 cum
B. 0.02 cum
C. 0.03 cum
D. 0.04 cum
✅ The correct answer is option A.
6. The most reliable estimate is_________________?
A. Detailed estimate
B. Preliminary estimate
C. Plinth area estimate
D. Cube rate estimate
✅ The correct answer is option A.
7. 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]
✅ The correct answer is option B.
8. period in a septic tank is assumed___________________?
The detention
A. 20 minutes
B. 25 minutes
C. 30 minutes
✅ The correct answer is option C.
9. 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
✅ The correct answer is option B.
10. The floor area includes the area of the balcony up to_________________?
A. 100 %
B. 75 %
C. 50 %
D. 25 %
✅ The correct answer is option C.