To find pre-consolidation pressure, __________ sample is used.
A : a. undisturbed clay
B : b. disturbed clay
C : c. gravel
D : d. sand gravel
To find pre-consolidation pressure, __________ relationship in graph is plotted.
A : a. voids ratio and effective pressure
B : b. effective pressure and total pressure
C : c. effective pressure and pore pressure
D : d. total pressure and total pressure
To find pre-consolidation pressure, __________ graph is used.
A : a. hexagonal paper
B : b. semi-log graph
C : c. log-log graph
D : d. normal probability paper
In finding pre-consolidation pressure, the lower portion of the curve is ________________
A : a. parabolic curve
B : b. swelling curve
C : c. expansion curve
D : d. straight line
Who founded the method of determination of pre-consolidation pressure?
In determination of pre-consolidation pressure, ___________ point of virgin curve is selected.
A : a. maximum curvature
B : b. maximum radius
C : c. minimum curvature
D : d. initial point
For successful dewatering in fine, non-cohesive soils, _________ method is used.
A : a. ditches and sumps
B : b. electro-osmosis method
C : c. well point system
D : d. vacuum method
For the use of vacuum method, the D?? should be __________
A : a. 1mm
B : b. more than 1mm
C : c. more than 0.5mm
D : d. less than 0.05mm
For the use of vacuum method, the coefficient of permeability should be __________
A : a. greater than 10¯³cm/s
B : b. in the range 10¯³ to 10¯?cm/s
C : c. less than 10¯?cm/s
D : d. independent
The suction head ____________ capillary head in vacuum method of dewatering.
A : a. should be greater than
B : b. should be less than
C : c. should be equal to
D : d. does not depend on
In vacuum method, the top of bore hole is sealed by __________
A : a. soil cement
B : b. bentonite
C : c. clay
D : d. soil cement, bentonite and clay
In vacuum method, the ground surface is subjected to unbalanced atmospheric pressure.
Geotechnical Engineering more Online Exam Quiz