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.
| 101. |
The plasticity of clay depends on which of the following? |
| A. | The nature of clay minerals present |
| B. | Volume of clay present |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» B. Volume of clay present | |
| 102. |
Collapsible soils undergoes large decrease in volume due to __________ |
| A. | Decrease in moisture content |
| B. | Increase in moisture content |
| C. | Increase in solubility |
| D. | None of the mentioned |
| Answer» C. Increase in solubility | |
| 103. |
The principle of submerged mass density method is_______ |
| A. | Equilibrium of floating bodies |
| B. | Stroke’s law |
| C. | Archimedes’ principle |
| D. | Darcy’s law |
| Answer» D. Darcy’s law | |
| 104. |
A particle-size distribution curve gives us an idea about __________ |
| A. | Type of soil |
| B. | Properties of soil |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» B. Properties of soil | |
| 105. |
Which of the following apparatus does not include, in a determination of shrinkage limit? |
| A. | Porcelain evaporating dish |
| B. | Two glass plates |
| C. | Brass cup |
| D. | Stainless steel shrinking dish |
| Answer» D. Stainless steel shrinking dish | |
| 106. |
Which of the following are used as a standard sedimentation method in a laboratory? |
| A. | Sedimentation analysis method |
| B. | Hydrometer method |
| C. | Pipette method |
| D. | Sand replacement method |
| Answer» D. Sand replacement method | |
| 107. |
The D10 represents a size, such that _________ of the particles are finer than this size. |
| A. | 20% |
| B. | 60% |
| C. | 10% |
| D. | 100% |
| Answer» D. 100% | |
| 108. |
Which of the following is not considered as one of the state, as divided by Atterberg? |
| A. | Solid state |
| B. | Gaseous state |
| C. | Semi-solid state |
| D. | Liquid state |
| Answer» C. Semi-solid state | |
| 109. |
The shape of the particle size curve is represented by _________ |
| A. | Effective size |
| B. | Effective diameter |
| C. | Uniform coefficient |
| D. | Co-efficient of curvature |
| Answer» E. | |
| 110. |
Based on the observation made by Skempton, for a given soil __________ |
| A. | Plastic index is proportional to percent of clay-size fraction |
| B. | Plastic index is inversely proportional to percent of clay-size fraction |
| C. | Plastic index is equal to percent of clay-size fraction |
| D. | None of the mentioned |
| Answer» B. Plastic index is inversely proportional to percent of clay-size fraction | |
| 111. |
In sand replacement method, if the mass of sand filling the calibrating container is 1450g and volume of calibrating container is 1000cm³, then its buk density is_______ g/cm³. |
| A. | 1450 |
| B. | 1.45 |
| C. | 45 |
| D. | 17 |
| Answer» C. 45 | |
| 112. |
For calibration of cylinder _______ is used. |
| A. | Gravel |
| B. | Sand |
| C. | Soil |
| D. | Silt |
| Answer» C. Soil | |
| 113. |
The capillary potential (CP) of the collapsible soil varies with _________ |
| A. | Degree of saturation and Pressure |
| B. | Water content present |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» B. Water content present | |
| 114. |
A clay specimen has an unconfined compressive strength of 240 Kn/m² in a distributed state. On remolding, the unconfined compressive strength is 54 Kn/m². What will be the sensitivity of clay? |
| A. | 3.85 |
| B. | 7.24 |
| C. | 2.04 |
| D. | 4.44 |
| Answer» E. | |
| 115. |
The soil portion passing through 4.75 mm sieve is washed for further sieve analysis. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 116. |
The meniscus correction in hydrometer reading is ___________ |
| A. | Always positive |
| B. | Always negative |
| C. | Negative sometime |
| D. | Positive sometime |
| Answer» B. Always negative | |
| 117. |
The inner diameter of the core cutter is_____ cm. |
| A. | 5 |
| B. | 10 |
| C. | 13 |
| D. | 15 |
| Answer» C. 13 | |
| 118. |
What are the ways of preventing of inclusion of air bubbles in shrinkage dish? |
| A. | Mixing the soil with sufficient distilled water and Making the soil pasty enough |
| B. | Coating the surface with a thin layer of oil |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» B. Coating the surface with a thin layer of oil | |
| 119. |
The coefficient of uniformity (CV) is the ratio of _________ |
| A. | D60 and D10 |
| B. | D30 and D10 |
| C. | D10 and D30 |
| D. | D10 and D30 |
| Answer» B. D30 and D10 | |
| 120. |
The IS code for determination of dry density by sand replacement method is ________ |
| A. | IS 456:2000 |
| B. | IS 2720-1975/88 (Part XXIX) |
| C. | IS 2720-1974/88 (Part XXVIII) |
| D. | IS 800 |
| Answer» D. IS 800 | |
| 121. |
Collapsible soils are usually present in areas of __________ |
| A. | Semi-arid regions and Arid regions |
| B. | Dry regions |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» B. Dry regions | |
| 122. |
The soviet liquid limit device is based on the principle of ___________ |
| A. | Station penetration |
| B. | Soil moisture |
| C. | Soil water content |
| D. | None of the mentioned |
| Answer» B. Soil moisture | |
| 123. |
The corrected hydrometer reading for meniscus is _________ |
| A. | R=Rh’ + Cm |
| B. | R=Rh’ + C |
| C. | R=Rh’+ Cm ± CL – Cd |
| D. | None of the mentioned |
| Answer» C. R=Rh’+ Cm ± CL – Cd | |
| 124. |
A soil sample may be well graded if __________ |
| A. | If it has most number of particles of same size |
| B. | Excess of certain particles |
| C. | Good representation of particles of all size |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 125. |
The Density of water, used in shrinkage limit test is _________ |
| A. | 1 g/cm³ |
| B. | 1000 g/cm³ |
| C. | 2 g/cm³ |
| D. | 1/1000 g/cm³ |
| Answer» B. 1000 g/cm³ | |
| 126. |
In sedimentation analysis, the soil fraction should be of what micron size, so as to be kept in a liquid medium (water). |
| A. | 75 |
| B. | 83 |
| C. | 57 |
| D. | 70 |
| Answer» B. 83 | |
| 127. |
______ method is specially suited to a circumstance where water content is to be quickly determined for the purpose of proper field control. |
| A. | Oven drying |
| B. | Sand bath |
| C. | Alcohol |
| D. | Calcium carbide |
| Answer» E. | |
| 128. |
An organic soil sample is kept in oven for its water content determination. The temperature preferred is ______ |
| A. | 60° |
| B. | 80° |
| C. | 105° |
| D. | 110° |
| Answer» B. 80° | |
| 129. |
In pycnometer method of water content determination, it is necessary to accurately know the specific gravity G of soil whose water content is to be determined. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 130. |
In oven drying method, the soil sample is kept for about ______ hours in the oven. |
| A. | 1 |
| B. | 2 |
| C. | 24 |
| D. | 48 |
| Answer» D. 48 | |
| 131. |
The water content of a soil sample cannot be determined by _____ method. |
| A. | oven drying |
| B. | alcohol |
| C. | calcium carbide |
| D. | pipette |
| Answer» E. | |
| 132. |
YOU_MAY_NOT_SPECIFY_A_UNIQUE_CONSTRAINT_ON_A________INDEX.?$ |
| A. | Hashed |
| B. | Unique |
| C. | Sparse |
| D. | Compound |
| Answer» B. Unique | |
| 133. |
Which_of_the_following_indexes_are_always_sparse_?$ |
| A. | 2dsphere |
| B. | 2d |
| C. | geoHaystack |
| D. | all of the mentioned |
| Answer» E. | |
| 134. |
Which of the following method is to verify whether MongoDB used index intersection ? |
| A. | explain() |
| B. | analyze() |
| C. | intersect() |
| D. | none of the mentioned |
| Answer» B. analyze() | |
| 135. |
You can combine the ________ constraint with the sparse index to filter these null values from the unique index and avoid the error. |
| A. | Hashed |
| B. | Unique |
| C. | sparse |
| D. | compound |
| Answer» D. compound | |
| 136. |
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 | |
| 137. |
The background task that removes expired documents runs every ________ seconds. |
| A. | 15 |
| B. | 45 |
| C. | 60 |
| D. | 120 |
| Answer» D. 120 | |
| 138. |
When the TTL thread is active, you will see _______ operations in the output of db.currentOp() |
| A. | delete |
| B. | update |
| C. | insert |
| D. | none of the mentioned |
| Answer» B. update | |
| 139. |
________ indexes expire documents after the specified number of seconds has passed since the indexed field value. |
| A. | Hashed |
| B. | Unique |
| C. | Multikey |
| D. | TTL |
| Answer» E. | |