Civil Engineering – Soil Mechanics Mock test – 1 Welcome to your Soil Mechanics Mock test - 1 Take an exciting test in Soil Mechanics and Foundation Engineering You have only 20 mins to complete the test (20 Questions) Wish you all the best!!! Name Email 1) The water content in a soil sample when it continues to loose weight without loosing the volume, is called A. Shrinkage limit B. Plastic limit C. liquid limit D. semi-solid limit.2) When a cohesionless soil attains quick condition, it looses A. shear strength B. bearing capacity C. both (a) and (b) D. neither (a) nor (6).3) For general engineering purposes, soils are classified by A. particle size classification system B. textural classification system C. High Way Research Board (HRB), classification system D. unified soil classification system.4) If there is no impervious boundary at the bottom of a hydraulic structure, stream lines tend to follow : A. a straight line B. a parabola C. a semi-ellipse D. a semi-circle.5) A failure wedge develops if a retaining wall A. moves away from the backfill B. moves towards the backfill C. sinks downwards D. stresses equally by vertical and horizontal forces.6) The shearing force acting along the slice of a curved surface of slippage, causes the soil to slide A. down at the centre B. down at the toe C. upward at the centre D. none of these.7) The seepage exit gradient in a soil is the ratio of A. total head to the length of seepage B. flow line to slope C. head upstream to that at downstream D. head loss to the length of the seepage E. none of these8) If Cs is the expansion index in Q. 11.165, the empirical formula given by Terzaghi, is A. e = e0 - Cd log10 σ'/σ0' B. e = e0 + Cd log10 σ'/σ0' C. e0 = e - Cd log10 σ'/σ0' D. e° = e + Cd log10 σ'/σ0'9) The maximum pressure which a soil can carry without shear failure, is called A. safe bearing capacity B. net safe bearing capacity C. net ultimate bearing capacity D. ultimate bearing capacity.10) Failure of a slope occurs only when total shear force is A. equal to total shearing strength B. greater than total shearing strength C. less than total shearing strength D. none of these.11) Pick up the correct statement from the following: A. A soil having pH value more than 7 is an acidic soil B. A soil having pH value less than 7 is an acidic soil C. A soil having pH value more than 7 is an alkaline soil D. A soil containing chemicals for the manufacture of portland cement is preferred.12) Cohesionless soil is A. sand B. silt C. clay D. clay and silt.13) Pick up the correct statement from the following: A. In hydrometer method, weight Wd per ml of suspension is found directly B. In pipette analysis, weight Wd per ml of suspension is found indirectly C. In pipette analysis, weight Wd per ml of suspension is found directly D. None of these.14) 'Loess' is silty clay formed by the action of A. water B. glacier C. wind D. gravitational force.15) Pick up the cohesive soil from the following: A. Red earth B. Clay C. Black cotton soil D. Compacted ground.16) Pile foundations are generally preferred to for A. bridge foundations B. sky scrapper buildings C. residential buildings D. runways.17) The angle of internal friction of clays, is usually A. 0° to 5° B. 5° to 20° C. 20° to 30° D. 30° to 45°18) Soils containing organic matters A. are of spongy nature B. swell with decrease of moisture C. shrink with increase of moisture content D. none of these.19) A soil not fully consolidated under the existing over-burden pressure, is called A. pre-consolidated B. normally consolidated C. over-consolidated D. none of these.20) The angle of internal friction is maximum for A. angular-grained loose sand B. angular-grained dense sand C. round-grained dense sand D. round-grained loose sand E. clays.