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 0.1125 m3/sec 0.0045 m3/sec 0.00018 nrVsec 0.18 m3/sec 0.1125 m3/sec 0.0045 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 For better strength and stability, the fine grained soils and coarse grained soils are compacted respectively as wet of OMC and wet of OMC wet of OMC and dry of OMC dry of OMC and wet of OMC dry of OMC and dry of OMC where OMC is optimum moisture content wet of OMC and wet of OMC wet of OMC and dry of OMC dry of OMC and wet of OMC dry of OMC and dry of OMC where OMC is optimum moisture content ANSWER DOWNLOAD EXAMIANS APP
Soil Mechanics and Foundation Skempton’s pore pressure coefficient B for saturated soil is between 0 and 1 zero greater than 1 [CS 95] 1 between 0 and 1 zero greater than 1 [CS 95] 1 ANSWER DOWNLOAD EXAMIANS APP
Soil Mechanics and Foundation Select the incorrect statement. Effective angle of shearing resistance increases as the size of particles increases is rarely more than 30° for fine grained soil is limited to a maximum value of 45° increases as the soil gradation im-proves increases as the size of particles increases is rarely more than 30° for fine grained soil is limited to a maximum value of 45° increases as the soil gradation im-proves ANSWER DOWNLOAD EXAMIANS APP
Soil Mechanics and Foundation Which of the following methods is best suited for determination of permeability of coarse-grained soils ? falling head method both the above None of these constant head method falling head method both the above None of these constant head method ANSWER DOWNLOAD EXAMIANS APP