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 Berms are provided in canals if these are Fully in excavation Partly in excavation and partly in embankment Fully in embankment All of these Fully in excavation Partly in excavation and partly in embankment Fully in embankment All of these ANSWER DOWNLOAD EXAMIANS APP
Estimating and Costing 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 Cutting Surface dressing Surface excavation Excavation Cutting Surface dressing Surface excavation Excavation ANSWER DOWNLOAD EXAMIANS APP
Estimating and Costing The area of a sloping surface of a protective embankment of mean height‘d’, side slopes S: 1 and length ‘L’ is 2 L.D √(1 + s²) d × d × s √[d² × (ds)²] L.D √(1 + s²) 2 L.D √(1 + s²) d × d × s √[d² × (ds)²] L.D √(1 + s²) 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 + 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) L + (2 × 0.42 d) 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 3300 m³ 3250 m³ 3225 m³ 3275 m³ 3300 m³ 3250 m³ 3225 m³ 3275 m³ ANSWER DOWNLOAD EXAMIANS APP
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