MCQOPTIONS
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MCQOPTIONS
This section includes 372 Mcqs, each offering curated multiple-choice questions to sharpen your Surveying knowledge and support exam preparation. Choose a topic below to get started.
| 151. |
Fundamental relationship between dry density (γd), specific gravity (G), water content (ω) and percentage of air voids (na) is : |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» B. B | |
| 152. |
An infinite slope is inclined at angle i and has its angle of internal friction φ, the stability number Sa, is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» D. D | |
| 153. |
The fundamental equation of specific gravity (G), dry density (γd), unit weight of water (γω) and void ratio (e), is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» D. D | |
| 154. |
The Terzaghi's general bearing capacity equation for a continuous footing is given by (where Nc, 2V& and Ny are bearing capacity factors.) |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» B. B | |
| 155. |
Fundamental relationship between dry density (γd), bulk density (γ) and water content (ω), is : |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» C. C | |
| 156. |
If W1, W2, W3 and W4 are the sequential weights obtained during observations in pycnometer method for determining water content, the formula to be used, is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» D. D | |
| 157. |
If C is cohesion, F is factor of safety, γ is unit weight of soil and H is the maximum height of embankment, the stability number, is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» C. C | |
| 158. |
The general relationship between specific gravity (G), weight of water (γω), degree of saturation (Sr), void ratio (e) and bulk density (γ), is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» C. C | |
| 159. |
The fundamental equation of air content (ac), degree of saturation (Sr) and void ratio (e), is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» D. D | |
| 160. |
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 |
| Answer» E. | |
| 161. |
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. |
| Answer» B. down at the toe | |
| 162. |
W is the weight of soil having a moisture content ω. If V is the volume of proctor's mould, the dry density of the soil is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» D. D | |
| 163. |
A fundamental equation of void ratio(e), specific gravity (G), water content (ω) and degree of saturation (Sr) is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» B. B | |
| 164. |
If the specific gravity and voids in soil sample are G and e respectively, the hydraulic gradient i, is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» B. B | |
| 165. |
If L and B are the length and breadth of a footing, e the eccentricity along the length and P and Q are the axial force and bearing capacity of the soil, then, to avoid tension, |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» B. B | |
| 166. |
The relationship between void ratio (e) and porosity ratio (n) is : |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» E. | |
| 167. |
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» D. depends upon the external applied load. | |
| 168. |
A partially saturated sample of soil has a unit weight of 2.0 g/cm³ and specific gravity of soil particles is 2.6. If the moisture content in the soil is 20%, the degree of saturation is |
| A. | 20% |
| B. | 77% |
| C. | 92% |
| D. | none of these. |
| Answer» D. none of these. | |
| 169. |
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 |
| A. | Resilience of soils |
| B. | Elasticity of soils |
| C. | Compressibility of soils |
| D. | None of these. |
| Answer» C. Compressibility of soils | |
| 170. |
If drainage is permitted throughout the test, during the application of both normal, and shear stresses so that full consolidation occurs and no excess pore pressure is set up at any stage of the test, is known as |
| A. | quick test |
| B. | drained test |
| C. | consolidated undrained test |
| D. | none of these. |
| Answer» C. consolidated undrained test | |
| 171. |
The coefficient of compressibility of soil, is the ratio of |
| A. | stress to strain |
| B. | strain to stress |
| C. | stress to settlement |
| D. | rate of loading to that of settlement. |
| Answer» C. stress to settlement | |
| 172. |
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 |
| A. | 1.10 |
| B. | 1.15 |
| C. | 1.20 |
| D. | 1.25 |
| Answer» E. | |
| 173. |
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. |
| Answer» B. net safe bearing capacity | |
| 174. |
The water content of soil is defined as the ratio of |
| A. | volume of water to volume of given soil |
| B. | volume of water to volume of voids in soil |
| C. | weight of water to weight of air in voids |
| D. | weight of water to weight of solids of given mass of soil. |
| Answer» E. | |
| 175. |
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). |
| Answer» D. neither (a) nor (6). | |
| 176. |
For a homogeneous earth dam 50 m high having 2 m free broad, a flow net was constructed and the results were : Number of potential drops = 2.4 Number of flow channels = 0.4. If coefficiency of permeability of the dam mateiral is 3 x 10^-3 cm³/sec, the discharge per metre length of dam, is |
| A. | 12 x 10^-5 m³/sec |
| B. | 24 x 10^-3 m³/sec |
| C. | 6 x 10^-5 m³/sec |
| D. | 24 x 10^-5 m³/sec |
| Answer» E. | |
| 177. |
The plasticity of fine soils may be assessed by means of |
| A. | dry strength test |
| B. | toughness test |
| C. | dilatancy test |
| D. | all of these. |
| Answer» E. | |
| 178. |
The lateral earth pressure on a retaining wall |
| A. | is equal to mass of the soil retained |
| B. | proportional to the depth of the soil |
| C. | proportional to the square of the depth of the soil |
| D. | proportional to the internal friction of the soil |
| Answer» E. | |
| 179. |
A pile is being driven with a drop hammer weighing 1800 kg and having a free fall of 1.00 m. If the penetration with last blow is 5 mm, the load carrying capacity of the pile, -according to the Engineering News formula, is |
| A. | 100 tonnes |
| B. | 50 tonnes |
| C. | 20 tonnes |
| D. | 10 tonnes. |
| Answer» E. | |
| 180. |
The ratio of the volume of voids to the volume of soil solids in a given soil mass, is known |
| A. | porosity |
| B. | specific gravity |
| C. | void ratio |
| D. | water content. |
| Answer» D. water content. | |
| 181. |
The liquid limit and plastic limit exist in |
| A. | sandy soils |
| B. | silty soils |
| C. | gravel soils |
| D. | clay soils. |
| Answer» E. | |
| 182. |
Pick up the clay soil group which does not swell when wet from the following : |
| A. | Kaolinite group |
| B. | Illite group |
| C. | Vermiculite group |
| D. | Montrorillonite group. |
| Answer» C. Vermiculite group | |
| 183. |
Factor of safety against sliding of a slope, is the ratio of |
| A. | actual cohesion to that required to maintain stability of slope |
| B. | shear strength to shear stress along the surface |
| C. | neither (a) nor (b) |
| D. | both (a) and (b). |
| Answer» E. | |
| 184. |
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» C. 69.6% | |
| 185. |
According to Rankine's fromula, the minimum depth of foundation |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» B. B | |
| 186. |
If β is the surcharge angle of a backfill with an angle of internal friction φ, the coefficient of active earth pressure given by Rankine's theory, is : |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» C. C | |
| 187. |
A suspended particle falls through a height H cm in water in t minutes. If the viscosity of water is η and specific gravity of the particle is G, the diameter of the particle is (where M is a constant factor) |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» D. D | |
| 188. |
If the bulk density of the soil is ρ and water content ω, then dry density of the soil, is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» D. D | |
| 189. |
The property of a soil which permits water to percolate through it, is called |
| A. | moisture content |
| B. | permeability |
| C. | capillarity |
| D. | none of these. |
| Answer» C. capillarity | |
| 190. |
The vane shear test is used for the in-situ determination of the undrained strength of the intact fully saturated |
| A. | sands |
| B. | clays |
| C. | gravels |
| D. | highly organic soils. |
| Answer» C. gravels | |
| 191. |
The quantity of seepage of water through soils is proportional to |
| A. | coefficient of permeability of soil |
| B. | total head loss through the soil |
| C. | neither (a) nor (b) |
| D. | both (a) and (b). |
| Answer» E. | |
| 192. |
The maximum shear stress occurs on the filament which makes an angle with the horizontal plane equal to |
| A. | 30° |
| B. | 45° |
| C. | 60° |
| D. | 90° |
| Answer» C. 60° | |
| 193. |
Which one of the following statements is true ? |
| A. | Clays are more porous than sands |
| B. | Pressure of organic matter in a soil decreases the bearing capacity of the soil |
| C. | Aluminous cement is used for foundations in soils with chemical deposits |
| D. | All the above. |
| Answer» E. | |
| 194. |
When drainage is permitted under initially applied normal stress only and full primarily consolidation is allowed to take place, the test is known as |
| A. | quick test |
| B. | drained test |
| C. | consolidated undrained test |
| D. | none of these. |
| Answer» D. none of these. | |
| 195. |
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» E. | |
| 196. |
The specific gravity of sands, is approximately |
| A. | 1.6 |
| B. | 2.0 |
| C. | 2.2 |
| D. | 2.6 |
| Answer» E. | |
| 197. |
The total active earth pressure due to dry back fill with no surcharge, acts at H/3 above the base of the wall and is directly proportional to |
| A. | H |
| B. | √H |
| C. | H² |
| D. | H³ |
| Answer» D. H³ | |
| 198. |
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 |
| A. | 1.47 |
| B. | 1.82 |
| C. | 1.91 |
| D. | none of these. |
| Answer» B. 1.82 | |
| 199. |
Laplacian fundamental equation for a non-compressible flow in three dimensions, is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» D. D | |
| 200. |
Minimum size of the particles of silt soil, is |
| A. | 0.002 mm |
| B. | 0.04 mm |
| C. | 0.06 mm. |
| D. | 0.08 mm |
| Answer» B. 0.04 mm | |