Allowable bearing pressure for a foundation depends upon_______________?

Related Mcqs:

1. 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

2. 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

3. During the first stage of triaxial test when the cell pressure is increased from 0.10 N/mm2 to 0.26 N/mm2, the pore water pressure increases from 0.07 N/mm2 to 0.15 “N/mm2. Skempton’s pore pressure parameter B is___________________?

   A. 0.5
   B. -0.5
   C. 2.0
   D. – 2.0

4. 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

5. 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

6. 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___________________?

   A. 15 mm
   B. 30 mm
   C. 50 mm
   D. 167 mm

7. 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

   Y =unit weight of soil D = depth of foundation B = width of foundation N„ Nq, NY = bearing capacity factors

8. Rise of water table in cohesionless soils upto ground surface reduces the net ultimate bearing capacity approximately by________________?

   A. 25%
   B. 50%
   C. 75%
   D. 90%

9. In a triaxial compression test when drainage is allowed during the first stage (i. e. application of cell pressure) only and not during the second stage (i.e. application of deviator stress at constant cell pressure), the test is known as__________________?

   A. consolidated drained test
   B. consolidated undrained test
   C. unconsolidated drained test
   D. unconsolidated undrained test

10. The maximum dry density upto which any soil can be compacted depends upon____________?

    A. moisture content only
    B. amount of compaction energy only
    C. both moisture content and amount of compaction energy
    D. none of the above