In hydrometer analysis for a soil mass______________?

Related Mcqs:

1. The hydrometer method of sedimentation analysis differs from the pipette analysis mainly in_____________?

   A. the principle of test
   B. the method of taking observations
   C. the method of preparation of soil suspension
   D. all of the above

2. 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

3. A soil has a bulk density of 22 kN/m3 and water content 10 %. The dry density of soil is_______________?

   A. 18.6 kN/m3
   B. 20.0 kN/m3
   C. 22.0 kN/m3
   D. 23.2 kN/m3

4. If the plasticity index of a soil mass is zero, the soil is______________?

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

5. If the degree of saturation of a partially saturated soil is 60%, then air content of the soil is______________?

   A. 40%
   B. 60%
   C. 80%
   D. 100%

6. If the natural water content of soil mass lies between its liquid limit and plastic limit, the soil mass is said to be in______________?

   A. liquid state
   B. plastic state
   C. semi-solid state
   D. solid state

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

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

8. 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°

9. Which of the following types of soil is transported by gravitational forces ?

   A. loess
   B. talus
   C. drift
   D. dune sand

10. Which of the following methods is most accurate for the determination of the water content of soil ?

    A. oven drying method
    B. sand bath method
    C. calcium carbide method
    D. pycnometer method