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 0.1125 m3/sec 0.0045 m3/sec 0.18 m3/sec 0.00018 nrVsec 0.1125 m3/sec 0.0045 m3/sec 0.18 m3/sec ANSWER DOWNLOAD EXAMIANS APP
Soil Mechanics and Foundation The angle that Coulomb’s failure envelope makes with the horizontal is called None of these angle of repose cohesion angle of internal friction None of these angle of repose cohesion angle of internal friction 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 17° 7° 12° 10° 17° 7° 12° 10° ANSWER DOWNLOAD EXAMIANS APP
Soil Mechanics and Foundation According to Atterberg, the soil is said to be of medium plasticity if the plasticity index PI is 7 PI>27 0 < PI < 7 17 7 PI>27 0 < PI < 7 17 ANSWER DOWNLOAD EXAMIANS APP
Soil Mechanics and Foundation Which of the following methods is best suited for determination of permeability of coarse-grained soils ? None of these both the above constant head method falling head method None of these both the above constant head method falling head method ANSWER DOWNLOAD EXAMIANS APP
Soil Mechanics and Foundation The admixture of coarser particles like sand or silt to clay causes decrease in both liquid limit and plasticity index decrease in liquid limit and increase in plasticity index increase in both liquid limit and plasticity index decrease in liquid limit and no change in plasticity index decrease in both liquid limit and plasticity index decrease in liquid limit and increase in plasticity index increase in both liquid limit and plasticity index decrease in liquid limit and no change in plasticity index ANSWER DOWNLOAD EXAMIANS APP