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.
| 301. |
The ultimate consolidation settlement of a soil is |
| A. | directly proportional to the voids ratio |
| B. | directly proportional to the compression index |
| C. | inversely proportional to the compression index |
| D. | none of the above |
| Answer» C. inversely proportional to the compression index | |
| 302. |
Coefficient of permeability of soil |
| A. | does not depend upon temperature |
| B. | increases with the increase in temperature |
| C. | increases with the decrease in temperature |
| D. | none of the above |
| Answer» C. increases with the decrease in temperature | |
| 303. |
The admixture of coarser particles like sand or silt to clay causes |
| A. | decrease in liquid limit and increase in plasticity index |
| B. | decrease in liquid limit and no change in plasticity index |
| C. | decrease in both liquid limit and plasticity index |
| D. | increase in both liquid limit and plasticity index |
| Answer» D. increase in both liquid limit and plasticity index | |
| 304. |
Which of the following soils has more plasticity index ? |
| A. | sand |
| B. | silt |
| C. | clay |
| D. | gravel |
| Answer» D. gravel | |
| 305. |
Which one of the following clays behaves like a dense sand ? |
| A. | over-consolidated ciay with a high over-consolidation ratio |
| B. | over-consolidated clay with a low over-consolidation ratio |
| C. | normally consolidated clay |
| D. | under-consolidated clay |
| Answer» B. over-consolidated clay with a low over-consolidation ratio | |
| 306. |
The angle that Coulomb’s failure envelope makes with the horizontal is called |
| A. | cohesion |
| B. | angle of internal friction |
| C. | angle of repose |
| D. | none of the above |
| Answer» C. angle of repose | |
| 307. |
A 300 mm square bearing plate settles by 15 mm in a plate load test on a cohesive soil when the intensity of loading is 0.2 N/mm². The settlement of a prototype shallow footing 1 m square under the same intensity of loading is |
| A. | 15 mm |
| B. | 30 mm |
| C. | 50 mm |
| D. | 167 mm |
| Answer» D. 167 mm | |
| 308. |
A 600 mm square bearing plate settles by 15 mm in plate load test on a cohesionless soil under an intensity of loading of 0.2 N/ram2. The settlement of a prototype shallow footing 1 m square under the same intensity of loading is |
| A. | 15 mm |
| B. | between 15 mm and 25 mm |
| C. | 25 mm |
| D. | greater than 25 mm |
| Answer» C. 25 mm | |
| 309. |
Residual soils are formed by |
| A. | glaciers |
| B. | wind |
| C. | water |
| D. | none of the above |
| Answer» E. | |
| 310. |
A grillage foundation |
| A. | Is provided for heavily loaded isolated columns |
| B. | Is treated as spread foundation |
| C. | Consists of two sets of perpendicularly placed steel beams |
| D. | All the above |
| Answer» E. | |
| 311. |
The ratio of volume of voids to the total volume of soil mass is called |
| A. | air content |
| B. | porosity |
| C. | percentage air voids |
| D. | voids ratio |
| Answer» C. percentage air voids | |
| 312. |
Coefficient of consolidation of a soil is affected by |
| A. | compressibility |
| B. | permeability |
| C. | both compressibility and permeability |
| D. | none of the above |
| Answer» D. none of the above | |
| 313. |
Uniformity coefficient of a soil is |
| A. | always less than 1 |
| B. | always equal to 1 |
| C. | equal to or less than 1 |
| D. | equal to or gi eater than 1 |
| Answer» E. | |
| 314. |
Sand particles are made of |
| A. | rock minerals |
| B. | kaolinite |
| C. | illite |
| D. | montmorillonite |
| Answer» B. kaolinite | |
| 315. |
Which of the following is a measure of particle size range ? |
| A. | effective size |
| B. | uniformity coefficient |
| C. | coefficient of curvature |
| D. | none of the above |
| Answer» C. coefficient of curvature | |
| 316. |
According to Atterberg, the soil is said to be of medium plasticity if the plasticity index PI is |
| A. | 0 < PI < 7 |
| B. | 7<pi< 17<="" label=""></pi<> |
| C. | 17<pi<27< label=""></pi<27<> |
| D. | PI>27 |
| Answer» C. 17<pi<27< label=""></pi<27<> | |
| 317. |
If the material of the base of the Casagrande liquid limit device on which the cup containing soil paste drops is softer than the standard hard rubber, then |
| A. | The liquid limit of soil always increases |
| B. | The liquid limit of soil always decreases |
| C. | The liquid limit of soil may increase |
| D. | The liquid limit of soil may decrease |
| Answer» B. The liquid limit of soil always decreases | |
| 318. |
The clay mineral with the largest swelling and shrinkage characteristics is |
| A. | kaolinite |
| B. | illite |
| C. | montmorillonite |
| D. | none of the above |
| Answer» D. none of the above | |
| 319. |
In the plate loading test for determining the bearing capacity of soil, the size of square bearing plate should be |
| A. | less than 300 mm |
| B. | between 300 mm and 750 mm |
| C. | between 750 mm and 1 m |
| D. | greater than 1 m |
| Answer» C. between 750 mm and 1 m | |
| 320. |
Effective stress is |
| A. | the stress at particles contact |
| B. | a physical parameter that can be measured |
| C. | important because it is a function of engineering properties of soil |
| D. | all of the above |
| Answer» D. all of the above | |
| 321. |
Voids ratio of a soil mass can |
| A. | never be greater than unity |
| B. | be zero |
| C. | take any value greater than zero |
| D. | take values between 0 and 1 only |
| Answer» D. take values between 0 and 1 only | |
| 322. |
When the plastic limit of a soil is greater than the liquid limit, then the plasticity index is reported as |
| A. | negative |
| B. | zero |
| C. | non-plastic (NP) |
| D. | 1 |
| Answer» C. non-plastic (NP) | |
| 323. |
Coefficient of earth pressure at rest is |
| A. | less than active earth pressure but greater than passive earth pressure |
| B. | greater than active earth pressure but less than passive earth pressure |
| C. | greater than both the active earth pressure and passive earth pressure |
| D. | less than both the active and passive earth pressures |
| Answer» C. greater than both the active earth pressure and passive earth pressure | |
| 324. |
A soil has a bulk density of 22 kN/m3 and water content 10 %. The dry density of soil is |
| A. | 18.6 kN/m3 |
| B. | 20.0 kN/m3 |
| C. | 22.0 kN/m3 |
| D. | 23.2 kN/m3 |
| Answer» C. 22.0 kN/m3 | |
| 325. |
If the sand in-situ is in its densest state, then the relative density of sand is |
| A. | zero |
| B. | 1 |
| C. | between 0 and 1 |
| D. | greater than 1 |
| Answer» C. between 0 and 1 | |
| 326. |
For a loose sand sample and a dense sand sample consolidated to the same effective stress |
| A. | ultimate strength is same and also peak strength is same |
| B. | ultimate strength is different but peak strength is same |
| C. | ultimate strength is same but peak strength of dense sand is greater than that of loose sand |
| D. | ultimate strength is same but peak |
| Answer» D. ultimate strength is same but peak | |
| 327. |
Select the correct range of density index,1D |
| A. | 1D > 0 |
| B. | ID > 0 |
| C. | 0 < 1D < 1 |
| D. | 0 ≤ 1D ≤ 1 |
| Answer» E. | |
| 328. |
Degree of consolidation is |
| A. | directly proportional to time and inversely proportional to drainage path |
| B. | directly proportional to time and inversely proportional to square of drainage path |
| C. | directly proportional to drainage path and inversely proportional to time |
| D. | directly proportional to square of drainage path and inversely proportional to time |
| Answer» C. directly proportional to drainage path and inversely proportional to time | |
| 329. |
Clay layer A with single drainage and coefficient of consolidation Cv takes 6 months to achieve 50% consolidation. The time taken by clay layer B of the same thickness with double drainage and coefficient of consolidation Cv/2 to achieve the same degree of consolidation is |
| A. | 3 months |
| B. | 6 months |
| C. | 12 months |
| D. | 24 months |
| Answer» B. 6 months | |
| 330. |
The hydraulic head that would produce a quick condition in a sand stratum of thickness 1.5 m, specific gravity 2.67 and voids ratio 0.67 is equal to |
| A. | 1.0m |
| B. | 1.5m |
| C. | 2.0m |
| D. | 3m |
| Answer» C. 2.0m | |
| 331. |
Cohesionless soil is |
| A. | sand |
| B. | silt |
| C. | clay |
| D. | clay and silt. |
| Answer» B. silt | |
| 332. |
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. |
| Answer» C. less than total shearing strength | |
| 333. |
Loess' is silty clay formed by the action of |
| A. | water |
| B. | glacier |
| C. | wind |
| D. | gravitational force. |
| Answer» D. gravitational force. | |
| 334. |
The ratio of the weight of water to the weight of solids in a given mass of soil, is known |
| A. | porosity |
| B. | specific gravity |
| C. | void ratio |
| D. | water content. |
| Answer» E. | |
| 335. |
A soil sample of mass specific gravity 1.92, has a moisture content 30%. If the specific gravity of solids is 2.75, the void ratio, is |
| A. | 0.858 |
| B. | 0.860 |
| C. | 0.862 |
| D. | 0.864 |
| Answer» D. 0.864 | |
| 336. |
A soil mass is said to be in plastic equilibrium if |
| A. | it is stressed to maximum |
| B. | it is on the verge of failure |
| C. | it is in plastic stage |
| D. | it starts flowing. |
| Answer» C. it is in plastic stage | |
| 337. |
An unsaturated 100 cm 3 sample of soil weighs 190 g. If its dried weight is 160 g, water content of the soil, is |
| A. | 0.188 |
| B. | 0.288 |
| C. | 0.388 |
| D. | 0.488 |
| Answer» B. 0.288 | |
| 338. |
Talus' is the soil transported by |
| A. | wind |
| B. | water |
| C. | glacier |
| D. | gravitational force. |
| Answer» E. | |
| 339. |
The intensity of active earth pressure at a depth of 10 metres in dry cohesionless sand with an angle of internal friction of 30° and with a weight of 1.8 t/m 3 , is |
| A. | 4 t/m 2 |
| B. | 5 t/m 2 |
| C. | 6 t/m 2 |
| D. | 7 t/m 2 |
| Answer» D. 7 t/m 2 | |
| 340. |
A structure is erected on an impervious clay whose thickness is 12 m. Drainage is possible both at upper and lower surfaces. Coefficient of consolidation is 0.015 cm 2 per minute. For attaining 50% consolidation with a time factor 0.20, the number of days required |
| A. | 3233 |
| B. | 3123 |
| C. | 33331 |
| D. | 3313 |
| Answer» D. 3313 | |
| 341. |
If water content of a soil is 40%, G is 2.70 and void ratio is 1.35, the degree of saturation is |
| A. | 70% |
| B. | 75% |
| C. | 80% |
| D. | 85% |
| Answer» D. 85% | |
| 342. |
The ratio of e max and e min of silty sand, is |
| A. | 2.0 |
| B. | 5 |
| C. | 3.0 |
| D. | 3.5 |
| Answer» D. 3.5 | |
| 343. |
A suspended particle falls through a height H cm in water in t minutes. If the viscosity of water is ? and specific gravity of the particle is G , the diameter of the particle is (where M is a constant factor) |
| A. | 10 3 M |
| B. | 10 4 M |
| C. | 10 5 M |
| D. | 10 2 M |
| Answer» D. 10 2 M | |
| 344. |
Drift' is the material picked up, mixed, disintegrated, transported and redeposited by |
| A. | wind |
| B. | gravitational force |
| C. | glaciated water |
| D. | all the above. |
| Answer» D. all the above. | |
| 345. |
In active state of plastic equilibrium in a non cohesive soil with horizontal ground surface |
| A. | major principal stress is horizontal |
| B. | minor principal stress is vertical |
| C. | major principal stress is vertical |
| D. | minor and major principal stresses are equally inclined to horizontal. |
| Answer» D. minor and major principal stresses are equally inclined to horizontal. | |
| 346. |
The plasticity index is the numerical difference between |
| A. | liquid limit and plastic limit |
| B. | plastic limit and shrinkage limit |
| C. | liquid limit and shrinkage limit |
| D. | none of these. |
| Answer» B. plastic limit and shrinkage limit | |
| 347. |
In non-cohesive soil in passive state of plastic equilibrium |
| A. | major principal stress is horizontal |
| B. | minor principal stress is vertical |
| C. | major principal stress is vertical |
| D. | minor and major principal stresses are equally inclined to the horizontal. |
| Answer» C. major principal stress is vertical | |
| 348. |
In a purely cohesive soil, the critical centre lies at the intersection of |
| A. | perpendicular bisector of slope and the locus of the centre |
| B. | perpendicular drawn at l/3rd slope from toe and the locus of the centre |
| C. | perpendicular drawn at 2/3rd slope from toe and the locus of the centre |
| D. | directional angles |
| Answer» E. | |
| 349. |
Stoke's law does not hold good if the size of particle is smaller than |
| A. | 0.0002 mm |
| B. | 0.002 mm |
| C. | 0.02 mm |
| D. | 0.2 mm |
| Answer» B. 0.002 mm | |
| 350. |
The total weight of a pycnometer with water and oven dried soil 20 ( g ) is 1600 g. The pycnometer filled with water alone weighs 1500 g. The specific gravity of the soil, is |
| A. | 1.0 |
| B. | 1.5 |
| C. | 2.0 |
| D. | 2.5 |
| Answer» D. 2.5 | |