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This section includes 51 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Foundation knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In Swedish circle method ___________ analysis cases are considered. |
| A. | φC = 0 |
| B. | C – φ and φu = 0 |
| C. | None of the mentioned |
| D. | All of the mentioned |
| Answer» C. None of the mentioned | |
| 2. |
Which of the following quantity is called as Taylor’s stability number? |
| A. | c/Fc γ H |
| B. | c/γ H |
| C. | cm/ Fc γ |
| D. | None of the mentioned |
| Answer» B. c/γ H | |
| 3. |
For purely frictional soil, the Taylor’s stability number is ___________ |
| A. | Unity |
| B. | Zero |
| C. | >1 |
| D. | <1 |
| Answer» C. >1 | |
| 4. |
The stability of a slope for a pure frictional soil, depends upon __________ |
| A. | Slope angle |
| B. | Factor of safety |
| C. | Frictional resistance |
| D. | All of the mentioned |
| Answer» B. Factor of safety | |
| 5. |
What will be the factor of safety with respect to cohesion of a clay slope laid at 1 in 2 to a height of 10 m, if the angle of internal friction φ=10° ; c=25 k N/m² and γ = 19 k N/m³? |
| A. | 4.34 |
| B. | 2.06 |
| C. | 1.02 |
| D. | 20.6 |
| Answer» C. 1.02 | |
| 6. |
A slope is to be constructed at an inclination of 30° with the horizontal. What will be the safe height of the slope at factor of safety of 1.5? The soil has the properties: c = 15 k N/m², φ=22.5° and γ = 19 k N/m³. |
| A. | 11.5 |
| B. | 20.5 |
| C. | 12 |
| D. | 18.64 |
| Answer» B. 20.5 | |
| 7. |
The estimation of construction pore pressure can be made with the help of ___________ |
| A. | Swedish circle method |
| B. | Bishop’s method |
| C. | Hilf’s equation |
| D. | Rectangular plot method |
| Answer» D. Rectangular plot method | |
| 8. |
In the friction circle method, it is assumed that the resultant reaction is ___________ to the friction circle. |
| A. | Perpendicular |
| B. | Tangential |
| C. | Parallel |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 9. |
In Hilf’s equation ‘u = pa Δ / (va + hc γw – Δ)’, hc refers to __________ |
| A. | Induced pore pressure |
| B. | Henry’s constant |
| C. | Volume of pore water |
| D. | Volume of air voids |
| Answer» C. Volume of pore water | |
| 10. |
The friction circle may be also referred as __________ |
| A. | φ-circle |
| B. | Plane circle |
| C. | Cohesion circle |
| D. | All of the mentioned |
| Answer» B. Plane circle | |
| 11. |
A circle is considered to be a critical slip circle, if it has ___________ |
| A. | Maximum factor of safety |
| B. | Minimum factor of safety |
| C. | Maximum radius |
| D. | All of the mentioned |
| Answer» C. Maximum radius | |
| 12. |
Stability of slopes of an earth dam is tested under, which of the following condition? |
| A. | Stability of downstream slope during steady seepage and Stability of upstream slope during a sudden drawdown |
| B. | Stability of upstream slope during sudden seepage |
| C. | None of the mentioned |
| D. | All of the mentioned |
| Answer» B. Stability of upstream slope during sudden seepage | |
| 13. |
The magnitude and distribution of pore water pressure on a slip surface can be calculated from ___________ |
| A. | Pressure net |
| B. | Test data |
| C. | Graphical method |
| D. | Rectangular plot method |
| Answer» B. Test data | |
| 14. |
When a dam is built of impervious compressible soil, water is entrapped in the pore space due to ___________ |
| A. | Excessive pore pressure |
| B. | Volume change in the soil mass |
| C. | Low shear strength of soil |
| D. | Unstable soil mass |
| Answer» C. Low shear strength of soil | |
| 15. |
The area of U-diagram in finding stability of D/S slope during steady seepage, can be measured by ___________ |
| A. | Planimeter and Rectangular plot method |
| B. | Fellinious method |
| C. | None of the mentioned |
| D. | All of the mentioned |
| Answer» B. Fellinious method | |
| 16. |
The pore water pressure at any point on the slip surface is represented by ____________ |
| A. | Piezometric head |
| B. | Pore pressure |
| C. | Factor of safety |
| D. | Failure plane |
| Answer» B. Pore pressure | |
| 17. |
The slip circle having the minimum factor of safety is called ___________ |
| A. | Critical circle |
| B. | Failure slip circle |
| C. | Critical slip circle |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 18. |
When does the critical condition of d/s slope, occur in reservoir? |
| A. | Reservoir is full |
| B. | Pore pressure is high |
| C. | Steady seepage does not occur |
| D. | All of the mentioned |
| Answer» B. Pore pressure is high | |
| 19. |
In the rectangular plot method if there are n-slices, the total number of ordinates will be ____________ |
| A. | n – 1 |
| B. | n |
| C. | n – 2 |
| D. | None of the mentioned |
| Answer» B. n | |
| 20. |
Rectangular plot method has been suggested by _________ |
| A. | Culmann |
| B. | Bishop |
| C. | Singh |
| D. | Terzaghi |
| Answer» D. Terzaghi | |
| 21. |
The total cohesion force which resists the slipping along the slip arc at critical equilibrium is proportional to ___________ |
| A. | Cohesion and Height of the slope |
| B. | Taylor’s stability number |
| C. | None of the mentioned |
| D. | All of the mentioned |
| Answer» B. Taylor’s stability number | |
| 22. |
When the slope is fully submerged, which of the following has to be used for finding stability number? |
| A. | Submerged density |
| B. | Shearing resistance |
| C. | None of the mentioned |
| D. | All of the mentioned |
| Answer» B. Shearing resistance | |
| 23. |
The Taylor’s stability number is based on ___________ |
| A. | Height of the slope and Pore pressure |
| B. | Factor of safety |
| C. | None of the mentioned |
| D. | All of the mentioned |
| Answer» B. Factor of safety | |
| 24. |
The factor of safety with respect to friction is __________ |
| A. | Unity |
| B. | Zero |
| C. | Greater than one |
| D. | None of the mentioned |
| Answer» B. Zero | |
| 25. |
According to Taylor, the force causing instability in the sliding wedge is __________ |
| A. | Cohesive resistance and Weight of the wedge |
| B. | Total frictional resistance |
| C. | None of the mentioned |
| D. | All of the mentioned |
| Answer» B. Total frictional resistance | |
| 26. |
Taylor’s stability number is represented by the term __________ |
| A. | SC |
| B. | Sn |
| C. | Cm |
| D. | HC |
| Answer» C. Cm | |
| 27. |
Planar surface commonly occur in __________ |
| A. | Embankment with specific plane of weakness |
| B. | All embankments |
| C. | Soil deposit |
| D. | Foundation of infinite depth |
| Answer» B. All embankments | |
| 28. |
The stability of a finite slope can be investigated by which of the following method? |
| A. | Bishop’s method |
| B. | Swedish circle method |
| C. | Friction circle method |
| D. | All of the mentioned |
| Answer» E. | |
| 29. |
According to Bennet, non-circular slip surface may arise in ___________ |
| A. | Non homogeneous dam |
| B. | Embankment dams |
| C. | Homogeneous dam |
| D. | Soil deposit with a specific plane of weakness |
| Answer» D. Soil deposit with a specific plane of weakness | |
| 30. |
In stability computation, the curve representing the real surface of sliding is usually replaced by ___________ |
| A. | Arc of circle and Logarithmic failure |
| B. | Cycloid |
| C. | None of the mentioned |
| D. | All of the mentioned |
| Answer» B. Cycloid | |
| 31. |
The rupture mass sliding down a surface in a definite pattern resembles __________ |
| A. | Curve |
| B. | Cycloid |
| C. | Ellipse |
| D. | Circle |
| Answer» C. Ellipse | |
| 32. |
The forces acting on a sliding wedge are ___________ |
| A. | Weight of the wedge |
| B. | Total frictional force |
| C. | Total cohesive resistance |
| D. | All of the mentioned |
| Answer» E. | |
| 33. |
The factor of safety Fc with respect to cohesive strength is based on the assumption that ___________ |
| A. | Frictional force is fully mobilized |
| B. | Frictional force is zero |
| C. | Total cohesive resistance is zero |
| D. | All of the mentioned |
| Answer» B. Frictional force is zero | |
| 34. |
The factor K, in the radius of the friction circle(Kr sin φ) depends on ____________ |
| A. | Radius of the frictional circle |
| B. | Frictional resistances offered |
| C. | Cohesive resistance |
| D. | Central angle of the slip arc |
| Answer» E. | |
| 35. |
The factor of safety with respect to cohesion is given by the equation ____________ |
| A. | FC = HC / H |
| B. | FC = C / Cm |
| C. | FC = τf / τ |
| D. | All of the mentioned |
| Answer» C. FC = τf / τ | |
| 36. |
The friction circle method assumes the failure surface as ___________ |
| A. | Cycloid |
| B. | Curve |
| C. | Arc of circle |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 37. |
A basic type of failure at a finite slope may occur due to ___________ |
| A. | Slope failure and Base failure |
| B. | Toe failure |
| C. | None of the mentioned |
| D. | All of the mentioned |
| Answer» B. Toe failure | |
| 38. |
If the failure occurs along a surface of sliding that intersect the slope at its toe, the slide is known as ___________ |
| A. | Base failure |
| B. | Slope failure |
| C. | Face failure |
| D. | All of the mentioned |
| Answer» C. Face failure | |
| 39. |
The types of slip surface or failure surfaces are ____________ |
| A. | 4 |
| B. | 2 |
| C. | 3 |
| D. | 5 |
| Answer» D. 5 | |
| 40. |
The ratio of total depth to depth H is called _________ |
| A. | Depth factor |
| B. | Slope depth |
| C. | Depth failure |
| D. | Base failure |
| Answer» B. Slope depth | |
| 41. |
The depth factor Df for toe failure is ___________ |
| A. | Df > 1 |
| B. | Df < 1 |
| C. | Df = 1 |
| D. | Df = 0 |
| Answer» D. Df = 0 | |
| 42. |
If the soil properties for all identical depths below the surface are constant, it is a _________ |
| A. | Finite slope |
| B. | Infinite slope |
| C. | Planar failure surface |
| D. | All of the mentioned |
| Answer» C. Planar failure surface | |
| 43. |
A long natural slope of cohesion-less soil is inclined at 12° to the horizontal. What will be the factor of safety of the slope if φ = 30°? |
| A. | 1.6 |
| B. | 2.7 |
| C. | 0.13 |
| D. | 0.4 |
| Answer» C. 0.13 | |
| 44. |
Factor of safety with respect to height is given by ______________ equation. |
| A. | FC = HC / H |
| B. | FC = C / Cm |
| C. | FC = τf / τ |
| D. | FC = τC / τ |
| Answer» B. FC = C / Cm | |
| 45. |
In the limiting case of stability, the angle of slope is referred to as _____________ |
| A. | Angle of deviation |
| B. | Angle of repose |
| C. | Angle of unstable slope |
| D. | All of the mentioned |
| Answer» C. Angle of unstable slope | |
| 46. |
The factor of safety against safety is given by ________ equation. |
| A. | F = HC / H |
| B. | F = τf / τ and F = tan φ / tan i |
| C. | None of the mentioned |
| D. | All of the mentioned |
| Answer» C. None of the mentioned | |
| 47. |
Earth embankments or slopes are commonly required for which of the following purpose? |
| A. | Railways |
| B. | Earth dams |
| C. | Road ways |
| D. | All of the mentioned |
| Answer» E. | |
| 48. |
The failure of slopes may take place due to ___________ |
| A. | Forces between the soil particle and High water content |
| B. | Action of gravitational force |
| C. | None of the mentioned |
| D. | All of the mentioned |
| Answer» B. Action of gravitational force | |
| 49. |
Slopes is classified into ____________ types. |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» B. 3 | |
| 50. |
Which of the following is an example of slopes extending to infinity? |
| A. | Inclined face of Earth dams |
| B. | Embankments |
| C. | Cuts |
| D. | None of the mentioned |
| Answer» E. | |