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.
| 351. |
Compression of soil occurs rapidly if voids are filled with |
| A. | air |
| B. | water |
| C. | partly with air and partly with water |
| D. | none of these. |
| Answer» B. water | |
| 352. |
The inventor of the term soil mechanics, was |
| A. | Kray |
| B. | Dr. Karl Terzaghi |
| C. | Leygue |
| D. | Fellenius. |
| Answer» C. Leygue | |
| 353. |
Cohesive soils are generally |
| A. | plastic and also compressible |
| B. | elastic and also compressible |
| C. | plastic but incompressible |
| D. | none of these. |
| Answer» B. elastic and also compressible | |
| 354. |
According to IS : 2720 - 1965, the composition of a dispersing solution used in pipette analysis for determining the size of particles, is |
| A. | sodium-hexametaphosphate 33 g, sodium carbonate 7 g and distilled water one litre |
| B. | sodium-hexametaphosphate 7 g, sodium carbonate 33 g and distilled water one litre |
| C. | sodium-hexametaphosphate 23 g, sodium carbonate 17 g and distilled water one litre |
| D. | none of these. |
| Answer» B. sodium-hexametaphosphate 7 g, sodium carbonate 33 g and distilled water one litre | |
| 355. |
Depending upon the properties of a material, the failure envelope may |
| A. | be either straight or curved |
| B. | pass through the origin of stress |
| C. | intersect the shear stress axis |
| D. | all the above. |
| Answer» E. | |
| 356. |
Darcy's law is applicable to seepage if a soil is |
| A. | homogeneous |
| B. | isotropic |
| C. | incompressible |
| D. | all the above. |
| Answer» E. | |
| 357. |
Over-consolidation of soils is caused due to |
| A. | erosion of over burden |
| B. | melting of ice sheets after glaciation |
| C. | permanent rise of water table |
| D. | all the above. |
| Answer» E. | |
| 358. |
The minimum centre to centre distance of friction piles of 1 m diameter, is |
| A. | 2 m |
| B. | 2 m to 3 m |
| C. | 3 m to 4 m |
| D. | 5 m |
| Answer» D. 5 m | |
| 359. |
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. | |
| 360. |
The void ratio of a soil sample decreases from 1.50 to 1.25 when the pressure is increased from 25 tonnes/m 2 to 50 tonnes/m 2 , the coefficient of compressibility is |
| A. | 0.01 |
| B. | 0.02 |
| C. | 0.05 |
| D. | 0.001 |
| Answer» B. 0.02 | |
| 361. |
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/cm 3 , is |
| A. | 1.47 |
| B. | 1.82 |
| C. | 1.91 |
| D. | none of these. |
| Answer» B. 1.82 | |
| 362. |
A soil sample has passing 0.075 mm sieve = 60% liquid limit = 65% and plastic limit = 40%. The group index of the soil, is |
| A. | 5 |
| B. | 20 |
| C. | 40 |
| D. | none of these. |
| Answer» E. | |
| 363. |
Terzaghi's analysis assumes : |
| A. | soil is homogeneous and isotropic |
| B. | elastic zone has straight boundaries inclined at ? = ? to the horizontal and plastic zones fully developed |
| C. | failure zones do not extend above the horizontal plane through the base of the footing |
| D. | all the above. |
| Answer» E. | |
| 364. |
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 cm 3 /sec, the discharge per metre length of dam, is |
| A. | 12 x 10 -5 m 3 /sec |
| B. | 24 x 10 -3 m 3 /sec |
| C. | 6 x 10 -5 m 3 /sec |
| D. | 24 x 10 -5 m 3 /sec |
| Answer» E. | |
| 365. |
The direct shear test suffers from the following disadvantage: |
| A. | Drain condition cannot be controlled |
| B. | Pore water pressure cannot be measured |
| C. | Shear stress on the failure plane is not uniform. |
| D. | The area under the shear and vertical loads does not remain constant throughout the test |
| Answer» D. The area under the shear and vertical loads does not remain constant throughout the test | |
| 366. |
If the specific gravity of a soil particle of 0.05 cm diameter is 2.67, its terminal velocity while settling in distilled water of viscosity, 0.01 poise, is |
| A. | 0.2200 cm/sec |
| B. | 0.2225 cm/sec |
| C. | 0.2250 cm/sec |
| D. | 0.2275 cm/sec |
| Answer» E. | |
| 367. |
The soil moisture driven off by heat, is called |
| A. | free water |
| B. | hydroscopic water |
| C. | gravity water |
| D. | none of these. |
| Answer» C. gravity water | |
| 368. |
Number of piles required to support a column, is |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 369. |
The degree of saturation of the soil sample stated in Q. No, 216, is |
| A. | 60% |
| B. | 62% |
| C. | 64% |
| D. | 66% |
| Answer» D. 66% | |
| 370. |
A soil has bulk density 2.30 g/cm 3 and water content 15 per cent, the dry density of the sample, is |
| A. | 1.0 g/cm 2 |
| B. | 1.5 g/cm 3 |
| C. | 2.0 g/cm 3 |
| D. | 2.5 g/cm 3 |
| Answer» D. 2.5 g/cm 3 | |
| 371. |
Back fill with a sloping surface exerts a total active pressure P a 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. | |
| 372. |
A compacted soil sample using 10% moisture content has a weight of 200 g and mass unit weight of 2.0 g/cm 3 . 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% | |