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

Related Mcqs:

1. 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

2. 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

3. 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

4. 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

5. 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

6. 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%

7. Direct measurement of permeability of the specimen at any stage of loading can be made_______________?

   A. only in fixed ring type consolido-meter
   B. only in floating ring type consolido-meter
   C. both (A) and (B)
   D. none of the above

8. If the voids of a soil mass are full of air only, the soil is termed as_______________?

   A. air entrained soil
   B. partially saturated soil
   C. dry soil
   D. dehydrated soil

9. If the permeability of a soil is 0.8 mm/sec, the type of soil is_______________?

   A. gravel
   B. sand
   C. silt
   D. clay

10. A cylindrical specimen of saturated soil failed under an axial vertical stress of 100kN/m2 when it was laterally unconfmed. The failure plane was inclined to the horizontal plane at an angle of 45°. The values of cohesion and angle of internal friction for the soil are respectively______________________?

    A. 0.5 N/mm2 and 30°
    B. 0.05 N/mm2 and 0°
    C. 0.2 N/mm2 and 0°
    D. 0.05 N/mm2 and 45°