

MCQOPTIONS
Saved Bookmarks
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.
51. |
Which of the following is the correct hydrometer reading equation? |
A. | R = Rh’ + Cm ± CL – Cd |
B. | R = Rh’ + cm + CL – Cd |
C. | R = Cm ± Rm – Cd + CL |
D. | R = Rh + Cm ± Cd + CL |
Answer» B. R = Rh’ + cm + CL – Cd | |
52. |
The hydrometer method differs from pipette method on the basis of which of the following? |
A. | Principle of test |
B. | Taking the observation |
C. | Method of procedure |
D. | None of the mentioned |
Answer» C. Method of procedure | |
53. |
The dispersing agent correction in hydrometer reading is always__________ |
A. | Positive |
B. | Both negative and positive |
C. | Negative |
D. | Equal |
Answer» D. Equal | |
54. |
According to Goldschmidt theory, the plasticity in soil is due to __________ |
A. | Electro-magnetic charges |
B. | Smooth surface |
C. | All of the mentioned |
D. | None of the mentioned |
Answer» B. Smooth surface | |
55. |
In calcium carbide method, the gas produced is______ |
A. | methane |
B. | carbon dioxide |
C. | acetylene |
D. | oxygen |
Answer» D. oxygen | |
56. |
The dispersing agents in soil particle, may act as __________ |
A. | Cementing agent |
B. | Separating agent |
C. | Soluble agent |
D. | Deflocculating agent |
Answer» B. Separating agent | |
57. |
The number of revolutions per second, at which the handle is rotated in process of finding the liquid limit is _________ |
A. | 2 |
B. | 7 |
C. | 4 |
D. | 9 |
Answer» B. 7 | |
58. |
The receiver at the bottom of the assembly in sieve shaking machine is________ |
A. | 4.75mm sieve |
B. | 425micron |
C. | pan |
D. | 75micron |
Answer» D. 75micron | |
59. |
The depth of the groove cut by casagrande tool for determining the liquid limit is ______ |
A. | 10 mm |
B. | 11.0 mm |
C. | 2 mm |
D. | 8 mm |
Answer» C. 2 mm | |
60. |
The process of removal of organic matter and calcium compounds in the dispersion method is __________ |
A. | Pretreatment |
B. | Sedimentation |
C. | Evaporation |
D. | None of the mentioned |
Answer» B. Sedimentation | |
61. |
The apparatus used for finding, WL value by static cone penetrometer method is _________ |
A. | Liquid limit apparatus |
B. | Pycnometer |
C. | Cone penetration |
D. | Rubber balloon cylinder |
Answer» D. Rubber balloon cylinder | |
62. |
What is the diameter of the sieve that is used for finding the liquid limit? |
A. | 275 microns |
B. | 700 microns |
C. | 425 microns |
D. | 200 microns |
Answer» D. 200 microns | |
63. |
In consistency of soil, the limits are expressed in terms of__________ |
A. | Per cent water content |
B. | Area |
C. | Volume |
D. | All of the mentioned |
Answer» B. Area | |
64. |
Activity of a clay can be determined by laboratory test like __________ |
A. | Wet analysis |
B. | Liquid limit |
C. | Plastic limit |
D. | All of the mentioned |
Answer» E. | |
65. |
The unit weight of water in v=(2/g)r2(Vs-Vw/ɳ) is taken as ________ |
A. | 9.81 kn/m² |
B. | 98.1 n/m² |
C. | 0.981 kn/m² |
D. | 9.81 n/m³ |
Answer» B. 98.1 n/m² | |
66. |
The degree of disturbance of undisturbed sample of clay due to remoulding is expressed by______ |
A. | activity of clay |
B. | sensitivity |
C. | thixotropy |
D. | density index |
Answer» C. thixotropy | |
67. |
The sensitivity of honey comb structure of clay is ______ |
A. | 1 |
B. | 8 to 16 |
C. | 2 to 4 |
D. | greater than 16 |
Answer» D. greater than 16 | |
68. |
The curve situated at the right side of the particle size distribution curve is _________ |
A. | Coarse-grained soil |
B. | Fine-grained soil |
C. | coarse-grained soil |
D. | None of the mentioned |
Answer» B. Fine-grained soil | |
69. |
Highly over consolidating clays tends to be _________ |
A. | sensitive |
B. | normal sensitive |
C. | less sensitive |
D. | extra sensitive |
Answer» D. extra sensitive | |
70. |
Which of the following assumptions is wrong, with respect to sedimentation analysis? |
A. | The soil particles are spherical |
B. | Particle settle independent of other particles do not have any effect on its velocity of settlements |
C. | Soil particles has different specific gravity |
D. | The walls of jar, in which the suspension is kept do not affect the settlement |
Answer» D. The walls of jar, in which the suspension is kept do not affect the settlement | |
71. |
In the pipette method of sedimentation analysis, the soil is treated with __________ to remove organic matter in it. |
A. | Hydrochloric acid |
B. | Sodium oxalate |
C. | Hydrogen peroxide |
D. | Sodium silicate |
Answer» D. Sodium silicate | |
72. |
Clay containing kaolinite, will relatively have a_________ activity. |
A. | High |
B. | Intermediate |
C. | Low |
D. | Moderate |
Answer» D. Moderate | |
73. |
The lower limit of particle size allowed in sedimentation analysis is ________ |
A. | 0.0002 mm |
B. | 0.04 mm |
C. | 0.074 mm |
D. | 0.0004 mm |
Answer» B. 0.04 mm | |
74. |
In the formula, f=105√(300 ɳ/(g-1)Vw), the factor ɳ depends on__________ |
A. | Pressure |
B. | Velocity |
C. | Temperature |
D. | Specific gravity |
Answer» D. Specific gravity | |
75. |
The shape of particle size curve, which is represented by the coefficient of curvature (Cc) is given by __________ |
A. | Cc = (D30)2/D10×D40 |
B. | Cc = (D40)2/D10×D30 |
C. | Cc = (D30)2/D10×D60 |
D. | Cc = D60/D10 |
Answer» D. Cc = D60/D10 | |
76. |
Which of the following is exhibited by collapsible soil? |
A. | Silts where cementing agent is soluble |
B. | Loose bulky grains hold together by capillary stresses |
C. | All of the mentioned |
D. | None of the mentioned |
Answer» C. All of the mentioned | |
77. |
The larger the sensitivity, ______ the thixotropy hardening. |
A. | smaller |
B. | no change in |
C. | lower |
D. | larger |
Answer» E. | |
78. |
The gain in strength after remoulding is due to______ |
A. | permanent destruction of structure |
B. | reorientation of molecules |
C. | rehabilitation of molecular structure |
D. | crystallization |
Answer» D. crystallization | |
79. |
One-point method, used for determining the liquid limit is majorly applicable for finding ________ |
A. | Accurate value |
B. | Precise value |
C. | Rough value |
D. | None of the mentioned |
Answer» D. None of the mentioned | |
80. |
The volume of suspension taken in the hydrometer test is __________ |
A. | 500 |
B. | 120 |
C. | 100 |
D. | 1000 |
Answer» E. | |
81. |
The volume (or) capacity of boiling tube taken in pipette method is about __________ |
A. | 750 ml |
B. | 1000 ml |
C. | 500 ml |
D. | 800 ml |
Answer» D. 800 ml | |
82. |
1 poise is equivalent to _________ |
A. | 0.5 NS/m² |
B. | 0.1 NS/ m² |
C. | 10-4 K NS/ m² |
D. | 0.8 NS/ m² |
Answer» C. 10-4 K NS/ m² | |
83. |
The loose bulky grains in collapsible soil are held together by__________ |
A. | Inter-molecular force between the soil |
B. | Compressive stress |
C. | Capillary stress |
D. | All of the mentioned |
Answer» D. All of the mentioned | |
84. |
The toughness index (It) is defined by the ratio of __________ |
A. | It=WP/IP |
B. | It=IP/If |
C. | It=IF/IP |
D. | It=WL/If |
Answer» C. It=IF/IP | |
85. |
Sieving is performed by arranging the various sieves one over the other in the order of their mech openings. |
A. | True |
B. | False |
C. | May be True or False |
D. | Can't say |
Answer» B. False | |
86. |
The volume shrinkage (VS) is defined by the formula _________ |
A. | VS = (VL-VD/VD)×100 |
B. | VS = (VD-VL/VD)×100 |
C. | VS = (WL-WS)SR |
D. | None of the mentioned |
Answer» D. None of the mentioned | |
87. |
For a clay to be active, the activity of it should be __________ |
A. | 0.75-1.40 |
B. | >1.40 |
C. | <0.75 |
D. | <0.75 |
Answer» C. <0.75 | |
88. |
The sedimentation analysis is done with the help of________ |
A. | Hydrometer and Pipette |
B. | Sieve |
C. | All of the mentioned |
D. | None of the mentioned |
Answer» B. Sieve | |
89. |
The cone which is used to penetrate the soil pat has a central angle of ___________ |
A. | 26 degree |
B. | 30 degree |
C. | 31 degree |
D. | 40 degree |
Answer» D. 40 degree | |
90. |
Shrinking limit can be found out using alternate method, if __________ |
A. | The specific gravity of soil is known |
B. | Dry volume of soil is known |
C. | Water content in the soil is known |
D. | Dry density of soil is known |
Answer» B. Dry volume of soil is known | |
91. |
Arrange the following to obtain the correct procedure of sand replacement method.I. Measurement of soil densityII. Determination of water content and dry densityIII. Calibration of the cylinder |
A. | (I), (II), (III) |
B. | (III), (II), (I) |
C. | (III), (I), (II) |
D. | (I), (III), (II) |
Answer» D. (I), (III), (II) | |
92. |
Based on activity number, clays can be classified in to_______ categories. |
A. | Five |
B. | Two |
C. | Three |
D. | More than five |
Answer» D. More than five | |
93. |
A clay is said to be inactive, if the activity is_________ |
A. | <0.75 |
B. | 0.75-1.40 |
C. | >1.40 |
D. | None of the mentioned |
Answer» B. 0.75-1.40 | |
94. |
The sedimentation analysis is based on _________ law. |
A. | Stoke |
B. | Cullman’s |
C. | Rankine’s |
D. | None of the mentioned |
Answer» B. Cullman’s | |
95. |
In pipette analysis apparatus, the water outlet is present at __________ |
A. | Top |
B. | Bottom |
C. | Middle |
D. | Slightly above bottom |
Answer» D. Slightly above bottom | |
96. |
If the collapsible potential values of the soil are 0-1%, what will be the severity of the problem? |
A. | Severe problem |
B. | Moderate problem |
C. | No problem |
D. | None of the mentioned |
Answer» D. None of the mentioned | |
97. |
The Swedish agriculturist who divided the entire range of consistency from liquid to solid states is __________ |
A. | Dupuit’s |
B. | Laplace |
C. | Boussinesq |
D. | Atterberg |
Answer» E. | |
98. |
The sensitivity of most clays usually falls in a range of _________ |
A. | 2 to 8 |
B. | 1 to 6 |
C. | 1 to 8 |
D. | 1 to 5 |
Answer» D. 1 to 5 | |
99. |
The researchers who have provided guidance for identifying the potential, foot clayey sand and sand clay found in western US is __________ |
A. | Macveren |
B. | Holtz and Gibbs |
C. | All of the mentioned |
D. | None of the mentioned |
Answer» C. All of the mentioned | |
100. |
In Indian Standard (IS : 460-11962) the sieve sizes are given by_____ |
A. | number of openings |
B. | number of openings per inch |
C. | size of aperture in mm |
D. | size of aperture in cm |
Answer» D. size of aperture in cm | |