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
0.0045 m3/sec
0.18 m3/sec
0.1125 m3/sec

ANSWER DOWNLOAD EXAMIANS APP

Soil Mechanics and Foundation
A tri-axial shear test is preferred to direct shear test, because

Precise measurement of pore pressure and change in volume during test, is not possible
None of these
It can be performed under all three drainage conditions with complete control
Stress distribution on the failure plane, is non uniform

ANSWER DOWNLOAD EXAMIANS APP

Soil Mechanics and Foundation
A cylindrical specimen of saturated soil failed under an axial vertical stress of 100kN/m2 when it was laterally unconfmed. The failure plane was inclined to the horizontal plane at an angle of 45°. The values of cohesion and angle of internal friction for the soil are respectively

0.05 N/mm² and 45°
0.2 N/mm² and 0°
0.5 N/mm² and 30°
0.05 N/mm² and 0°

ANSWER DOWNLOAD EXAMIANS APP