MCQOPTIONS
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MCQOPTIONS
This section includes 139 Mcqs, each offering curated multiple-choice questions to sharpen your Mongodb knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following indexes are always sparse? |
| A. | 2dsphere |
| B. | 2d |
| C. | geoHaystack |
| D. | all of the mentioned |
| Answer» E. | |
| 2. |
You may not specify a unique constraint on a ______ index. |
| A. | Hashed |
| B. | Unique |
| C. | Sparse |
| D. | Compound |
| Answer» B. Unique | |
| 3. |
On replica sets, the TTL background thread only deletes documents on _____________ |
| A. | primary |
| B. | secondary |
| C. | upadte |
| D. | none of the mentioned |
| Answer» B. secondary | |
| 4. |
The property of a soil which allows it to be deformed rapidly, without rupture is _________ |
| A. | Elasticity |
| B. | Plasticity |
| C. | Tenacity |
| D. | None of the mentioned |
| Answer» C. Tenacity | |
| 5. |
Clay does not become plastic, when mixed with ___________ |
| A. | Soap solution |
| B. | Kerosene |
| C. | Oil |
| D. | None of the mentioned |
| Answer» C. Oil | |
| 6. |
The type of tools which is preferred for sandy soil for the purpose of grooving is _______ |
| A. | ASTM tool |
| B. | Casagrande tool |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» B. Casagrande tool | |
| 7. |
Remoulding of clay results in _______ |
| A. | increase in its strength |
| B. | decrease in its strength |
| C. | no change |
| D. | decrease in compressibility |
| Answer» C. no change | |
| 8. |
The Thixotropy is the phenomenon of _______ |
| A. | strength loss |
| B. | strength gain |
| C. | strength loss – strength gain |
| D. | strength gain – strength loss |
| Answer» D. strength gain – strength loss | |
| 9. |
Which of the following is not useful for engineer purpose, as proposed by Atterberg? |
| A. | Plastic limit |
| B. | Liquid limit |
| C. | Solid limit |
| D. | Shrinkage limit |
| Answer» D. Shrinkage limit | |
| 10. |
Sensitivity is defined as _____ |
| A. | Iₚ/Cw |
| B. | qᵤ(undisturbed) / qᵤ(remoulded) |
| C. | Vᵥ/Vₛ |
| D. | Ww/Wd |
| Answer» C. Vᵥ/Vₛ | |
| 11. |
The filed density of a natural soil deposit cannot be determined by_____ method. |
| A. | sand replacement |
| B. | oven-dry |
| C. | core cutter |
| D. | water displacement |
| Answer» C. core cutter | |
| 12. |
The shrinkage limit is represented by the term ___________ |
| A. | IP |
| B. | WS |
| C. | IC |
| D. | WP |
| Answer» C. IC | |
| 13. |
A curve with a flat portion, in particle size distribution curve represent __________ |
| A. | Intermediate size particle are missing |
| B. | Intermediate size particles are present |
| C. | Smaller size particle are present |
| D. | Large size particles are present |
| Answer» B. Intermediate size particles are present | |
| 14. |
For coarse grained soil, the particle size D10 is sometimes called as __________ |
| A. | Effective size and effective diameter |
| B. | Uniform diameter |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» B. Uniform diameter | |
| 15. |
What is the time of settlement of coarse particle of a soil sample, of diameter 0.5?Take γ=0.905D2 and height of water tank as 5 m. |
| A. | 11.6 seconds |
| B. | 72.8 seconds |
| C. | 14 seconds |
| D. | 22.1 seconds |
| Answer» E. | |
| 16. |
The shrinkage ratio of soil is equal__________ the soil in its dry state. |
| A. | Mass specific gravity |
| B. | Mass density |
| C. | Water content |
| D. | Specific gravity |
| Answer» B. Mass density | |
| 17. |
The volume of the wet soil, present in shrinkage dish_________ of volume of dish. |
| A. | One –fourth |
| B. | Two-third |
| C. | One-third |
| D. | Same |
| Answer» D. Same | |
| 18. |
The consistency of an undisturbed sample of clay is altered, even at the same water content, if it is remoulded. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 19. |
Arrange the following to obtain the correct procedure of soil density by sand replacement method.I. Cylinder is placed over a trayII. Tray with central hoe is placed in groundIII. Test hole is dugIV. The cylinder valve is opened |
| A. | (I), (II), (III), (IV) |
| B. | (II), (III), (I), (IV) |
| C. | (I), (III), (II), (IV) |
| D. | (II), (III), (IV), (I) |
| Answer» C. (I), (III), (II), (IV) | |
| 20. |
The consistency (or) relative consistency (Ice) is given by the formula __________ |
| A. | IC = WL-W/IP |
| B. | IC = W-WL/IP |
| C. | IC = W-WL/IP |
| D. | IC = W-WP/IP |
| Answer» B. IC = W-WL/IP | |
| 21. |
The time of settlement of the finest particle of soil sample is 15hr 20min 49sec. Calculate the height of the water tank. Take D=0.01 mm, γ=0.905D2. |
| A. | 5 m |
| B. | 7 m |
| C. | 12 m |
| D. | 4 m |
| Answer» B. 7 m | |
| 22. |
The typical activity value of illite, present in clay is________ |
| A. | 0.4-0.5 |
| B. | 0.5-1.0 |
| C. | 1.0-7.0 |
| D. | 2.7-5.3 |
| Answer» C. 1.0-7.0 | |
| 23. |
The grooving tool which is used for finding liquid limit is _________ |
| A. | ASTM tools |
| B. | Grooving tools |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» B. Grooving tools | |
| 24. |
The plastic index is calculated from the relation ____________ |
| A. | IP = WP-WL |
| B. | IP = WL-WP |
| C. | IP= IL-IS |
| D. | IP=IW-IS |
| Answer» C. IP= IL-IS | |
| 25. |
The density of the mercury, used in shrinkage limit apparatus is _________ |
| A. | 13.6 g/cm³ |
| B. | 13.2 kg/cm² |
| C. | 13.0 g/cm³ |
| D. | 13.9 g/cm³ |
| Answer» B. 13.2 kg/cm² | |
| 26. |
The shear strength of the soil, at the liquid limit is ________ |
| A. | 1.75 kN/m² |
| B. | 1.89 kN/m² |
| C. | 17.9 kN/m² |
| D. | 17.6 g/cm² |
| Answer» E. | |
| 27. |
The inside of the shrinkage dish is coated with a thin layer of _________ |
| A. | Oil |
| B. | Vaseline |
| C. | Acid |
| D. | None of the mentioned |
| Answer» C. Acid | |
| 28. |
The ratio of liquid limit, minus the natural water content to the plasticity index of the soil is __________ |
| A. | Consistency index |
| B. | Plasticity index |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» B. Plasticity index | |
| 29. |
At a given overburden pressure (Po) for a collapsible soil, its collapsible potential depends on _________ |
| A. | Degree of saturation |
| B. | Temperature coefficient |
| C. | Moisture content |
| D. | Pressure |
| Answer» B. Temperature coefficient | |
| 30. |
The structural collapse for a clay soil usually occurs at __________ |
| A. | First saturation |
| B. | Last |
| C. | Does not occur |
| D. | At an intermediate |
| Answer» B. Last | |
| 31. |
An oven – dried soil of mass 400g is placed in a pycnometer where empty weight is 573g. The mass of pycnometer with soil is 973g. The total mass of pycnometer with water and soil inside is 1605g. The pycnometer filled with water alone has mass of 1480. The specific gravity of solids is 2.65. Its water content is ______ |
| A. | 40.456 |
| B. | 46.504 |
| C. | 23.236 |
| D. | 6.423 |
| Answer» C. 23.236 | |
| 32. |
The water content of soil deposit in the in-situ condition is determinate by ______ method. |
| A. | radiation |
| B. | pycnometer |
| C. | calcium carbide |
| D. | oven – dry |
| Answer» B. pycnometer | |
| 33. |
The visibility of the soil suspension in hydrometer method is __________ |
| A. | Transparent |
| B. | Translucent |
| C. | Opaque |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 34. |
Sieve analysis is meant for______ |
| A. | coarse-grained soils |
| B. | fine-grained soils |
| C. | coarse-grained gravel |
| D. | silt |
| Answer» B. fine-grained soils | |
| 35. |
Initially, the volume of hydrometer is taken in terms of ___________ |
| A. | Grams |
| B. | Millimeters |
| C. | Liters |
| D. | All of the mentioned |
| Answer» B. Millimeters | |
| 36. |
The hydrometer are generally calibrated at ____________ |
| A. | 35°c |
| B. | 27°c |
| C. | -35°c |
| D. | -27°c |
| Answer» C. -35°c | |
| 37. |
The time for a particle to settle, of diameter 0.06 through a height of 10 cm is_________ |
| A. | 25.8 s |
| B. | 42 m 59 s |
| C. | 3 m 52 s |
| D. | 42.8 s |
| Answer» B. 42 m 59 s | |
| 38. |
______ is used for washing the soil portion passing through 4.75 mm sieve. |
| A. | distilled water |
| B. | 2g of sodium hexametaphosphate per litre of water |
| C. | 10% of brine solution |
| D. | kerosene |
| Answer» C. 10% of brine solution | |
| 39. |
The percentage of soil retained on each sieve is calculated on the basis of ______ |
| A. | total mass |
| B. | total weight |
| C. | volume of sample |
| D. | density of soil |
| Answer» B. total weight | |
| 40. |
______ minutes of shaking is done for soil with small particles. |
| A. | 2 |
| B. | 10 |
| C. | 15 |
| D. | 60 |
| Answer» C. 15 | |
| 41. |
The portion retained on______ IS sieve is termed as gravel fraction. |
| A. | 4.75mm |
| B. | 2mm |
| C. | 425micron |
| D. | 75micron |
| Answer» B. 2mm | |
| 42. |
Viscosity of water/liquid (ɳ) is expressed in ________ |
| A. | KN-s/m³ |
| B. | Ns/m² |
| C. | KN-s/m² |
| D. | Ns/m |
| Answer» D. Ns/m | |
| 43. |
Which of the following, cannot be used as a dispersing agent? |
| A. | Sodium oxalate |
| B. | Sodium polyphosphate |
| C. | Sodium silicate |
| D. | Sodium oxide |
| Answer» E. | |
| 44. |
Which of the following is not a disadvantage, in using the pipette method for sedimentation analysis? |
| A. | The apparatus is very simple |
| B. | Requires very accurate weight |
| C. | It requires more time |
| D. | The method of process is simple |
| Answer» E. | |
| 45. |
The recommended time interval for the drainage in pipette analysis is __________ |
| A. | 1/2,1,2,4,8,15, and 30 min |
| B. | 2,4,6,12,20 and 30 min |
| C. | 1,8,16,24 min |
| D. | 24,30,34,40,46 min |
| Answer» B. 2,4,6,12,20 and 30 min | |
| 46. |
The dispersing agent which are added to soil in the pipette method may also be referred to as __________ |
| A. | Deflocculating agent |
| B. | Calgon |
| C. | Mechanical agent |
| D. | None of the mentioned |
| Answer» B. Calgon | |
| 47. |
The Sodium hexametaphosphate used in soil suspension may be also called __________ |
| A. | Deflocculating agent |
| B. | Calgon |
| C. | Aggregate |
| D. | None of the mentioned |
| Answer» C. Aggregate | |
| 48. |
In hydrometer method, the sampling depth h is kept at a constant of __________ |
| A. | 14 cm |
| B. | 9 cm |
| C. | 8 cm |
| D. | 10 cm |
| Answer» E. | |
| 49. |
In calibration of hydrometer reading, the reduced reading are designated as __________ |
| A. | RS |
| B. | RH |
| C. | RR |
| D. | RL |
| Answer» C. RR | |
| 50. |
The corrections which are applied to the hydrometer reading, in hydrometer method is _______ |
| A. | Meniscus correctionc and Dispersing agent correction |
| B. | Magnitude correction |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» B. Magnitude correction | |