Engineering Mechanics MCQ Part 2
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Attempt Free Engineering Mechanics MCQ Part 2 Here. Read The Important Electrical 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
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
D. depends upon the external applied load.
Answer : C
Engineering Mechanics 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
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%
C. 69.6%
D. none of these.
Answer : B
Engineering Mechanics MCQ Part 2
Q5. Accurate determination of water content, is made by.
A. calcium carbide method
B. sand bath method
C. alcohol method
D. oven-drying method.
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
D. H/5 above the base parallel to base.
Answer : C
Engineering Mechanics 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
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
Answer : D
Engineering Mechanics MCQ Part 2
Q9. The ratio of the volume of voids to the total volume of the given soil mass, is known.
A. porosity
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
C. Culaman
D. Mohr.
Answer : B
Engineering Mechanics 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)
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.
Answer : D
Engineering Mechanics 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
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.
Answer : D
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%
D. 80%
Answer : C
Engineering Mechanics MCQ Part 2
