Estimating and Costing The assumption on which the trapezoidal formula for volumes is based, is The volume of the Prismoidal is over-estimated and hence a Prismoidal correction is applied All listed here The end sections are parallel planes The mid-area of a pyramid is half the average area of the ends The volume of the Prismoidal is over-estimated and hence a Prismoidal correction is applied All listed here The end sections are parallel planes The mid-area of a pyramid is half the average area of the ends ANSWER DOWNLOAD EXAMIANS APP
Estimating and Costing The diameter of a domestic sewer pipe laid at gradient 1 in 100 is recommended 150 mm 200 mm 100 mm 175 mm 150 mm 200 mm 100 mm 175 mm ANSWER DOWNLOAD EXAMIANS APP
Estimating and Costing 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 3250 m³ 3300 m³ 3275 m³ 3225 m³ 3250 m³ 3300 m³ 3275 m³ 3225 m³ ANSWER DOWNLOAD EXAMIANS APP
Estimating and Costing The area is measured correct to the nearest 0.01 sqm 0.02 sqm 0.04 sqm 0.03 sqm 0.01 sqm 0.02 sqm 0.04 sqm 0.03 sqm ANSWER DOWNLOAD EXAMIANS APP
Estimating and Costing In the mid-section formula The area of mid-sections is calculated by using mean depth The mean depth is the average of depths of two consecutive sections All of these The volume of the earth work is calculated by multiplying the mid-section area by the distance between the two original sections The area of mid-sections is calculated by using mean depth The mean depth is the average of depths of two consecutive sections All of these The volume of the earth work is calculated by multiplying the mid-section area by the distance between the two original sections ANSWER DOWNLOAD EXAMIANS APP
Estimating and Costing The total length of a cranked bar through a distance (d) at 45° in case of a beam of effective length L, is L + (2 × 0.42 d) L + 0.42 d L - (0.42 d) L - (2 × 0.4 d) L + (2 × 0.42 d) L + 0.42 d L - (0.42 d) L - (2 × 0.4 d) ANSWER DOWNLOAD EXAMIANS APP