Soil Mechanics and Foundation The flownet for an earthen dam with 30 m water depth consists of 25 potential drops and 5 flow channels. The coefficient of permeability of dam material is 0.03 mm/sec. The discharge per meter length of dam is 0.00018 nrVsec 0.18 m3/sec 0.0045 m3/sec 0.1125 m3/sec 0.00018 nrVsec 0.18 m3/sec 0.0045 m3/sec 0.1125 m3/sec ANSWER DOWNLOAD EXAMIANS APP
Soil Mechanics and Foundation Due to a rise in temperature, the viscosity and the unit weight of the percolating fluid are reduced to 60% and 90% respectively. If other things remain constant, the coefficient of permeability increases by 33.3% increases by 50% decreases by 33.3% increases by 25% increases by 33.3% increases by 50% decreases by 33.3% increases by 25% ANSWER DOWNLOAD EXAMIANS APP
Soil Mechanics and Foundation Coefficient of permeability of soil increases with the decrease in temperature does not depend upon temperature increases with the increase in temperature None of these increases with the decrease in temperature does not depend upon temperature increases with the increase in temperature None of these ANSWER DOWNLOAD EXAMIANS APP
Soil Mechanics and Foundation A retaining wall 6m high supports a backfill with a surcharge angle of 10°. The back of the wall is inclined to the vertical at a positive batter angle of 5°. If the angle of wall friction is 7°, then the resultant active earth pressure will act at a distance of 2 m above the base and inclined to the horizontal at an angle of 12° 17° 10° 7° 12° 17° 10° 7° ANSWER DOWNLOAD EXAMIANS APP
Soil Mechanics and Foundation Which of the following methods is most accurate for the determination of the water content of soil ? calcium carbide method sand bath method pycnometer method oven drying method calcium carbide method sand bath method pycnometer method oven drying method ANSWER DOWNLOAD EXAMIANS APP
Soil Mechanics and Foundation Highway Research Board (HRB) classification of soils is based on particle size composition both particle size composition and plasticity characteristics None of these plasticity characteristics particle size composition both particle size composition and plasticity characteristics None of these plasticity characteristics ANSWER DOWNLOAD EXAMIANS APP