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 d × d × s L.D √(1 + s²) √[d² × (ds)²] 2 L.D √(1 + s²) d × d × s L.D √(1 + s²) √[d² × (ds)²] 2 L.D √(1 + s²) ANSWER DOWNLOAD EXAMIANS APP
Estimating and Costing Size, capacity and materials need be specified for All of these Ball valves Bib-cocks Stop-cocks All of these Ball valves Bib-cocks Stop-cocks ANSWER DOWNLOAD EXAMIANS APP
Estimating and Costing The correct Prismoidal formula for volume is D/3 [first area + last area + 4 Ʃ Even area + 2 Ʃ odd areas] D/3 [first area + last area + 2 Ʃ Even area + 4 Ʃ odd areas] D/6 [first area + last area + 2 ∑ Even area + 4 ∑ odd areas] D [first area + last area + Ʃ Even area + 2 Ʃ odd areas] D/3 [first area + last area + 4 Ʃ Even area + 2 Ʃ odd areas] D/3 [first area + last area + 2 Ʃ Even area + 4 Ʃ odd areas] D/6 [first area + last area + 2 ∑ Even area + 4 ∑ odd areas] D [first area + last area + Ʃ Even area + 2 Ʃ odd areas] 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
Estimating and Costing While preparing a detailed estimate Area should be measured correct to 0.01 sqm All of these Volume should be measured correct to 0.01 cum Dimension should be measured correct to 0.01 m Area should be measured correct to 0.01 sqm All of these Volume should be measured correct to 0.01 cum Dimension should be measured correct to 0.01 m ANSWER DOWNLOAD EXAMIANS APP
Estimating and Costing 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 B × d - Sd1/2 ½ (Bd + Sd2) B + d + Sd Bd + Sd2 B × d - Sd1/2 ½ (Bd + Sd2) B + d + Sd Bd + Sd2 ANSWER DOWNLOAD EXAMIANS APP