If a cohesive soil specimen is subjected to a vertical compressive load, the inclination of the cracks to the horizontal is__________________?

Related Mcqs:

1. 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°

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

   A. less at edges compared to middle
   B. more at edges compared to middle
   C. uniform throughout
   D. none of the above

4. In the triaxial compression test, the application of additional axial stress (i.e. deviator stress) on the soil specimen produces shear stress on__________________?

   A. horizontal plane only
   B. vertical plane only
   C. both horizontal and vertical planes
   D. all planes except horizontal and vertical planes

5. A retaining wall 6m high supports a backfill with a surcharge angle of 10°. The back of the wall is inclined to the vertical at a positive batter angle of 5°. If the angle of wall friction is 7°, then the resultant active earth pressure will act at a distance of 2 m above the base and inclined to the horizontal at an angle of_________________?

   A. 7°
   B. 10°
   C. 12°
   D. 17°

6. The most suitable method for drainage of fine grained cohesive soils is________________?

   A. well ppint system
   B. vacuum method
   C. deep well system
   D. electroosmosis method

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. Unconfmed compressive strength test is________________?

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

9. 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

10. Uniformity coefficient of a soil is__________________?

    A. always less than 1
    B. always equal to 1
    C. equal to or less than 1
    D. equal to or gi eater than 1