MCQOPTIONS
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MCQOPTIONS
This section includes 266 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 251. |
The relationship between void ratio (e) and porosity ratio (n) is : |
| A. | n = |
| B. | e = |
| C. | n = |
| D. | e = n/(1 - n) |
| Answer» E. | |
| 252. |
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 | |
| 253. |
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¬∞ | |
| 254. |
Stoke's law sates that the velocity at which a grain settles out of suspension, the other factors remaining constant, is dependent upon |
| A. | shape of grain |
| B. | weight of grain |
| C. | size of grain |
| D. | shape and size of grain |
| Answer» E. | |
| 255. |
The method of the slices is applicable to |
| A. | homogenous soils |
| B. | stratified soils |
| C. | saturated soils |
| D. | non-uniform slopes |
| Answer» B. stratified soils | |
| 256. |
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. | |
| 257. |
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 | |
| 258. |
The active earth pressure of a soil is proportional to (where φ is the angle of friction of the soil) |
| A. | tan (45° - φ) |
| B. | tan2 (45° + φ/2) |
| C. | tan2 (45° - φ/2) |
| D. | tan (45° + φ) |
| Answer» D. tan (45¬∞ + œÜ) | |
| 259. |
Pick up the cohesive soil from the following: |
| A. | Red earth |
| B. | Clay |
| C. | Black cotton soil |
| D. | Compacted ground. |
| Answer» D. Compacted ground. | |
| 260. |
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. | |
| 261. |
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 | |
| 262. |
The minimum water content at which the soil just begins to crumble when rolled into threads 3 mm in diameter, is known |
| A. | liquid limit |
| B. | plastic limit |
| C. | shrinkage limit |
| D. | permeability limit. |
| Answer» C. shrinkage limit | |
| 263. |
Pick up the clay soil group which does not swell when wet from the following : |
| A. | Kaolinite group |
| B. | Mite group |
| C. | Vermiculite group |
| D. | Montrorillonite group. |
| Answer» C. Vermiculite group | |
| 264. |
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. |
| Answer» B. swell with decrease of moisture | |
| 265. |
Back fill with a sloping surface exerts a total active pressure Pa on the wall of height H and 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» D. H/5 above the base parallel to base. | |
| 266. |
In a liquid limit test, the moisture content at 10 blows was 70% and that at 100 blows was 20%. The liquid limit of the soil, is |
| A. | 0.35 |
| B. | 0.5 |
| C. | 0.65 |
| D. | none of these. |
| Answer» D. none of these. | |