Civil Engineering Soil Mechanics & Foundation Mock test – 3

Welcome to your Soil Mechanics and Foundation Engineering Mock test - 3
Take an exciting test in Soil Mechanics and Foundation Engineering 
You have only 20 mins to complete the test (29 Questions)
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1. If the unit weight of sand particles is 2.696 g/cc. and porosity in loose state is 44%, the critical hydraulic gradient for quick sand condition, is
2. A soil sample has passing 0.075 mm sieve = 60% liquid limit = 65% and plastic limit = 40%. The group index of the soil, is
3. The plasticity index is the numerical difference between
4. If dry density, water density and specific gravity of solids of a given soil sample are 1.6 g/cc, 1.84 g/cc and 2.56 respectively, the porosity of the soil sample, is
5. The specific gravity of sands, is approximately
6. If a soil undergoes a change in shape and volume by application of external loads over it, but recovers its shape and volume immediately after removal of the load, the property of the soil is said to be
7. The capillary rise of water
8. A sample of saturated soil has 30% water content and the specific gravity of soil grains is 2.6. The dry density of the soil mass in g/cm3, is
9. Fine sand possesses
10. If the coefficients of volume change and compressibility of a soil sample are respectively 6.75 x 10-2 and 3 x 10-2, the void ratio of the soil sample, is
11. The compression resulting from a long term static load and consequent escape of pore water, is known as
12. The maximum net pressure intensity causing shear failure of soil, is known
13. Through a point in a loaded soil, the principal stress is maximum on
14. Si particles
15. The passive earth pressure of a soil, is proportional to (where φ is the angle of internal friction of the soil.)
16. A stratum of clay 2 m thick will get consolidated 80% in 10 years. For the 80% consolidation of 8 m thick stratum of the same clay, the time required is
17. Soil classification of composite soils, exclusively based on the particle size distribution, is known
18. If the cohesive force, (c), is 1.5 t/m2, the density (γ) of the soil is 2.0 t/m3, factor of safety (F) is 1.5 and stability factor (Sn) is 0.05, the safe height of the §lope, is
19. The ultimate bearing capacity of a soil, is
20. If the back fill is having a uniform surcharge of intensity q per unit area, the lateral pressure will be
21. The void ratio of a soil sample decreases from 1.50 to 1.25 when the pressure is increased from 25 tonnes/m2 to 50 tonnes/m2, the coefficient of compressibility is
22. The specific gravity of quartz, is
23. A moist soil sample weighing 108 g has a volume of 60 cc. If water content is 25% and value of G = 2.52, the void ratio is
24. The minimum centre to centre distance of friction piles of 1 m diameter, is
25. The vane shear test is used for the in-situ determination of the undrained strength of the intact fully saturated
26. Maximum size of clay particles, is :
27. The maximum water content at which a reduction in water content does not cause a decrease in volume of a soil mass, is known
28. A moist soil sample of volume 60 cc. weighs 108 g and its dried weight is 86.4 g. If its absolute density is 2.52, the degree of saturation is
29. The coefficient of curvature for a well graded soil, must be between

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