The rise of water table below the foundation influences the bearing capacity of soil mainly by reducing_______________?
(A) cohesion and effective angle of shearing resistance
(B) cohesion and effective unit weight of soil
(C) effective unit weight of soil and effective angle of shearing resistance
(D) effective angle of shearing resistance
Terzaghi’s bearing capacity factors Nc, Nq and Nr are functions of______________?
(A) cohesion only
(B) angle of internal friction only
(C) both cohesion and angle of internal friction
(D) none of the above
A 600 mm square bearing plate settles by 15 mm in plate load test on a cohesionless soil under an intensity of loading of 0.2 N/ram2. The settlement of a prototype shallow footing 1 m square under the same intensity of loading is_______________?
(A) 15 mm
(B) between 15 mm and 25 mm
(C) 25 mm
(D) greater than 25 mm
In the plate loading test for determining the bearing capacity of soil, the size of square bearing plate should be_________________?
(A) less than 300 mm
(B) between 300 mm and 750 mm
(C) between 750 mm and 1 m
(D) greater than 1 m
Terzaghi’s general bearing capacity formula for a strip footing (C Nc + y D Nq + 0.5 Y NTB. gives______________?
(A) safe bearing capacity
(B) net safe bearing capacity
(C) ultimate bearing capacity
(D) net ultimate bearing capacity where C = unit cohesion
Allowable bearing pressure for a foundation depends upon_______________?
(A) allowable settlement only
(B) ultimate bearing capacity of soil only
(C) both allowable settlement and ultimate bearing capacity
(D) none of above
Coefficient of earth pressure at rest is__________________?
(A) less than active earth pressure but greater than passive earth pressure
(B) greater than active earth pressure but less than passive earth pressure
(C) greater than both the active earth pressure and passive earth pressure
(D) less than both the active and passive earth pressures
The effect of cohesion on a soil is to______________?
(A) reduce both the active earth pressure intensity and passive earth pressure intensity
(B) increase both the active earth pressure intensity and passive earth pressure intensity
(C) reduce the active earth pressure in-tensity but to increase the passive earth pressure intensity
(D) increase the active earth pressure in-tensity but to reduce the passive earth pressure intensity
Bishop’s method of stability analysis_______________?
(A) is more conservative
(B) neglects the effect of forces acting on the sides of the slices
(C) assumes the slip surface as an arc of a circle
(D) all of the above