Geotechnical Engineering Practice Test 6

1. To find pre-consolidation pressure, __________ graph is used.

semi-log graph

hexagonal paper

normal probability paper

log-log graph

2. Who founded the method of determination of pre-consolidation pressure?

Casagrande

Falcon India

Darcy

Appuswamy

3. The concept of undermining by ‘foundation’ was put forward by ____________

Pavlov sky

Casagrande

F.F.Haigh

Khosla

4. The normal stress in x-direction in terms of effective stress is given by __________

σ_x= σ_x’*γ_w(h-h_e)

σ_x= σ_x’+γ_w(h-h_e)

σ_x= σ_x’-γ_w(h-h_e)

σ_x= σ_x’

5. In finding pre-consolidation pressure, the lower portion of the curve is ________________

swelling curve

parabolic curve

expansion curve

straight line

6. The equilibrium equation obtained by summing all forces on y-direction is ________

\(\frac{∂σ_x}{∂x} + \frac{∂τ_{yx}}{∂y} + \frac{∂τ_{zx}}{∂z} +X=0\)

\(\frac{∂σ_x}{∂x}+\frac{∂τ_{yx}}{∂y} +\frac{∂τ_{zx}}{∂z} = 0\)

\(\frac{∂τ_{xz}}{∂x} +\frac{∂τ_{yz}}{∂y} +\frac{∂σ_z}{∂z} +Z=0\)

\(\frac{∂τ_{xy}}{∂x} + \frac{∂σ_y}{∂y} +\frac{∂τ_{zy}}{∂z}+Y=0\)

7. The grain size curve of the filter should be parallel to that of ____________

Filter

Seepage discharge

Base materials

All of the mentioned

8. At a point, there are/is _________ normal stress.

9. In well point system, ___________should be made essential for proper working of the system.

Man power

Pumping schedule

None of the mentioned

Suction pump

10. Surfaces forces are applied _________

externally at boundaries of body

internally at boundaries of body

only on one side in internal of the body

throughout the volume of the body