Question: The effect of cohesion on a soil is to______________?

• 1. reduce both the active earth pressure intensity and passive earth pressure intensity
• 2. increase both the active earth pressure intensity and passive earth pressure intensity
• 3. reduce the active earth pressure in-tensity but to increase the passive earth pressure intensity
• 4. increase the active earth pressure in-tensity but to reduce the passive earth pressure intensity

Question: Coefficient of earth pressure at rest is__________________?

• 1. less than active earth pressure but greater than passive earth pressure
• 2. greater than active earth pressure but less than passive earth pressure
• 3. greater than both the active earth pressure and passive earth pressure
• 4. less than both the active and passive earth pressures

Question: Allowable bearing pressure for a foundation depends upon_______________?

• 1. allowable settlement only
• 2. ultimate bearing capacity of soil only
• 3. both allowable settlement and ultimate bearing capacity
• 4. none of above

Question: Terzaghi’s general bearing capacity formula for a strip footing (C Nc + y D Nq + 0.5 Y NTB. gives______________?

• 1. safe bearing capacity
• 2. net safe bearing capacity
• 3. ultimate bearing capacity
• 4. net ultimate bearing capacity where C = unit cohesion

Question: In the plate loading test for determining the bearing capacity of soil, the size of square bearing plate should be_________________?

• 1. less than 300 mm
• 2. between 300 mm and 750 mm
• 3. between 750 mm and 1 m
• 4. greater than 1 m

Question: 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_______________?

• 1. 15 mm
• 2. between 15 mm and 25 mm
• 3. 25 mm
• 4. greater than 25 mm

Question: Terzaghi’s bearing capacity factors Nc, Nq and Nr are functions of______________?

• 1. cohesion only
• 2. angle of internal friction only
• 3. both cohesion and angle of internal friction
• 4. none of the above

Question: The rise of water table below the foundation influences the bearing capacity of soil mainly by reducing_______________?

• 1. cohesion and effective angle of shearing resistance
• 2. cohesion and effective unit weight of soil
• 3. effective unit weight of soil and effective angle of shearing resistance
• 4. effective angle of shearing resistance

Question: A 300 mm square bearing plate settles by 15 mm in a plate load test on a cohesive soil when the intensity of loading is 0.2 N/mm2. The settlement of a prototype shallow footing 1 m square under the same intensity of loading is___________________?

• 1. 15 mm
• 2. 30 mm
• 3. 50 mm
• 4. 167 mm

Question: Contact pressure beneath a rigid footing resting on cohesive soil is_________________?

• 1. less at edges compared to middle
• 2. more at edges compared to middle
• 3. uniform throughout
• 4. none of the above