Soil Mechanics and Foundation MCQ Part 2

Soil Mechanics and Foundation MCQ Part 2

Soil Mechanics and Foundation MCQ Part 2

Category –CE Online Test

Telegram-Join Us On Telegram

Attempt Free Soil Mechanics and Foundation MCQ Part 2 Here. Read The Important Civil MCQ From Below.

Q1. 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 [Correct Answer]
C. uniform throughout
D. none of the above

Answer : B

Q2. The internal molecular attraction of a soil, the cohesion.
A. decreases as the moisture content increases
B. increases as the moisture content decreases
C. is more in well compacted clays [Correct Answer]
D. depends upon the external applied load.

Answer : C

Soil Mechanics and Foundation MCQ Part 2

Q3. According to IS specifications, the minimum depths of foundation in sand and clay should be respectively
A. 600 mm and 700 mm
B. 800 mm and 900 mm [Correct Answer]
C. 1 m and 800 mm
D. 1 m and 1.2 m

Answer : B

Q4. A compacted soil sample using 10% moisture content has a weight of 200 g and mass unit weight of 2.0 g/cm3. If the specific gravity of soil particles and water are 2.7 and 1.0, the degree of saturation of the soil is.
A. 11.1%
B. 55.6% [Correct Answer]
C. 69.6%
D. none of these.

Answer : B

Q5. Accurate determination of water content, is made by.
A. calcium carbide method
B. sand bath method
C. alcohol method
D. oven-drying method. [Correct Answer]

Answer : D

Q6. Back fill with a sloping surface exerts a total active pressure Pa on the wall of height Hand acts at.
A. H/4 above the base parallel to base
B. H/2 above the base parallel to base
C. H/3 above the base parallel to base [Correct Answer]
D. H/5 above the base parallel to base.

Answer : C

Soil Mechanics and Foundation MCQ Part 2

Q7. A coarse-grained soil has a voids ratio 0.75, and specific gravity as 2.75. The critical gradient at which quick sand condition occurs, is.
A. 0.25
B. 0.50
C. 0.75
D. 1.00 [Correct Answer]

Answer : D

Q8. Pick up the in-correct statement from the following: The soils which contain montmorillonite minerals.
A. swell more when wet
B. shrink more when dry
C. possess high plasticity
D. possess high coefficient of internal coefficient [Correct Answer]

Answer : D

Q9. The ratio of the volume of voids to the total volume of the given soil mass, is known.
A. porosity [Correct Answer]
B. specific gravity
C. void ratio
D. water content.

Answer : A

Q10. The equation τ = C + σ tan φ is given by.
A. Rankine
B. Coulomb [Correct Answer]
C. Culaman
D. Mohr.

Answer : B

Soil Mechanics and Foundation MCQ Part 2

Q11. The active earth pressure of a soil is proportional to (where φ is the angle of friction of the soil).
A. tan (45° – Ï�)
B. tan2 (45° + �/2)
C. tan2 (45° – Ï�/2) [Correct Answer]
D. tan (45° + �)

Answer : C

Q12. Pick up the correct statement from the following:
A. The property of a soil that enables it to become stiff in a relatively short time on standing is called thixotropy
B. The ratio of shear strength in natural state to the remoulded shear strength under undrained conditions, is called degree of sensitivity.
C. The tendency of dense sand to expand on application of shearing load, is known as dilatancy
D. All the above. [Correct Answer]

Answer : D

Soil Mechanics and Foundation MCQ Part 2

Q13. The maximum value of effective stress in the past divided by the present value, is defined as over consolidation ratio (OCR). The O.C.R. of an over consolidated clay is.
A. less than 1
B. 1
C. more than 1 [Correct Answer]
D. None of these.

Answer : C

Q14. Pick up the correct statement from the following:
A. Illite bond is weaker than Kaolinite bond
B. Illite bond is stronger than montmorillonite bond
C. Illites do not swell when wet
D. All the above. [Correct Answer]

Answer : D

Soil Mechanics and Foundation MCQ Part 2

Q15. Degree of saturation of a natural soil deposit having water content 15%, specific gravity 2.50 and void ratio 0.5, is.
A. 50%
B. 60%
C. 75% [Correct Answer]
D. 80%

Answer : C

Soil Mechanics and Foundation MCQ Part 2