MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 130 Mcqs, each offering curated multiple-choice questions to sharpen your Geotechnical Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
If at interface of dissimilar soils, k₁=9×10¯⁷ cm/s and k₂=4×10¯⁷ cm/s. The deflection of flow lines at interface has θ₁=30°, then θ₂ will be _______ |
| A. | 12.39° |
| B. | 13.39° |
| C. | 14.39° |
| D. | 15.39° |
| Answer» D. 15.39° | |
| 102. |
For an anisotropic soil, the permeability in the horizontal and vertical direction are kₓ and kᵧ respectively. What will be the effective permeability of the soil? |
| A. | kₓ+kᵧ |
| B. | kₓkᵧ |
| C. | √( kₓkᵧ) |
| D. | kₓ/kᵧ |
| Answer» D. kₓ/kᵧ | |
| 103. |
The failure of Naror weir in India was due to __________ |
| A. | Excessive water pressure |
| B. | Undermining |
| C. | Hydraulic structure |
| D. | All of the mentioned |
| Answer» B. Undermining | |
| 104. |
The Darcy’s law governing the flow of water through is related to which of the following law? |
| A. | Ohm’s law |
| B. | Stokes law |
| C. | Faraday’s law |
| D. | None of the mentioned |
| Answer» B. Stokes law | |
| 105. |
Flow occurs between two points only if _______ |
| A. | there is difference in total heads |
| B. | there is no difference in total heads |
| C. | the total heads are equal |
| D. | the total heads are equal to zero |
| Answer» B. there is no difference in total heads | |
| 106. |
The actual flow net for anisotropic soil will have orthogonal set of curves. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» C. May be True or False | |
| 107. |
A flow net can be used for which of the following purpose? |
| A. | Determination of seepage |
| B. | Determination of seepage pressure |
| C. | Determination of hydrostatic pressure |
| D. | All of the mentioned |
| Answer» E. | |
| 108. |
The quantity of water, flowing through a saturated soil mass can be estimated by which of the following theory? |
| A. | Flow of fluids through porous medium |
| B. | Theoretical analysis of Laplace |
| C. | Flow of water through saturated soil mass |
| D. | None of the mentioned |
| Answer» B. Theoretical analysis of Laplace | |
| 109. |
The phreatic line can be located by which of the following method? |
| A. | Graphical method |
| B. | Experimental method |
| C. | Analytical method |
| D. | All of the mentioned |
| Answer» E. | |
| 110. |
In khosla’s theory, the stream lines occurring under a horizontal is shown in the form of __________ |
| A. | Parabola |
| B. | Ellipse |
| C. | Hyperbola |
| D. | Circle |
| Answer» C. Hyperbola | |
| 111. |
A soil mass has kₓ=8*10¯⁷cm/s and kᵧ=4*10¯⁷cm/s. The effective permeability of the soil is ______ |
| A. | 4.6*10¯⁷cm/s |
| B. | 6.6*10¯⁷cm/s |
| C. | 5.6*10¯⁷cm/s |
| D. | 7.6*10¯⁷cm/s |
| Answer» D. 7.6*10¯⁷cm/s | |
| 112. |
The portion between two successive flow lines is known as ___________ |
| A. | Field channel |
| B. | Flow channel |
| C. | Open channel |
| D. | All of the mentioned |
| Answer» C. Open channel | |
| 113. |
For the water flowing above an impervious, infinite, horizontal plane. The net flow is given by ___________ |
| A. | Casagrande |
| B. | Kozney |
| C. | Forchheimer |
| D. | Darcy |
| Answer» B. Kozney | |
| 114. |
The seepage force J with respect to hydraulic gradient i is given by ________ |
| A. | ihγwzA |
| B. | iγwz/hA |
| C. | iγwzA |
| D. | ih/zAγw |
| Answer» D. ih/zAγw | |
| 115. |
Seepage force is the energy transfer between __________ |
| A. | air and water |
| B. | water and soil |
| C. | air and soil |
| D. | earth and air |
| Answer» C. air and soil | |
| 116. |
In the figure the face KF is _________ |
| A. | seepage face |
| B. | velocity face |
| C. | discharge face |
| D. | pressure face |
| Answer» D. pressure face | |
| 117. |
The difference between the elevation of water surfaces in piezometers is _______ |
| A. | hydraulic gradient |
| B. | velocity |
| C. | head loss |
| D. | depth or length of sample |
| Answer» D. depth or length of sample | |
| 118. |
When water flows through a saturated soil mass, piezometric head is the sum of velocity head and position head. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» C. May be True or False | |
| 119. |
A piezometric surface is the line joining ________ |
| A. | water level in piezometers |
| B. | soil stratum |
| C. | equal voids ratio in soil mass |
| D. | equal velocity of flow |
| Answer» B. soil stratum | |
| 120. |
The piezometric head is also called ________ |
| A. | position head |
| B. | elevation head |
| C. | velocity head |
| D. | pressure head |
| Answer» E. | |
| 121. |
FOR_FINE-GRAINED_SOIL_WHAT_TYPE_OF_DEWATERING_SYSTEM_CAN_BE_USED??$ |
| A. | Electro-osmosis method |
| B. | Shallow well system |
| C. | Deep well system |
| D. | Vacuum method |
| Answer» E. | |
| 122. |
The_drawdown_curve_in_fully_penetrated_slot_is_based_on_the_assumptions_of_____________$ |
| A. | Dupuit and Forchheimer |
| B. | Darcy |
| C. | None of the mentioned |
| D. | All of the mentioned |
| Answer» B. Darcy | |
| 123. |
The application of electro-osmosis on dewatering of soil was developed by__________? |
| A. | L. casagrande |
| B. | Darcy |
| C. | Chapmen |
| D. | Dupuit |
| Answer» B. Darcy | |
| 124. |
In discharge equation given by chapmen qp=kba(H-ho)/L+EA, EA refers to__________ |
| A. | Coefficient of permeability |
| B. | Electric gradient |
| C. | Extra length factor |
| D. | Efficiency of permeability of soil |
| Answer» D. Efficiency of permeability of soil | |
| 125. |
When dewatering system consist of number of well-points___________can be considered for a simplified solution. |
| A. | Linear drainage limit |
| B. | Seepage analysis |
| C. | Flow of water |
| D. | All of the mentioned |
| Answer» B. Seepage analysis | |
| 126. |
A complete design of dewatering system consist of___________ |
| A. | Spacing of wells |
| B. | Penetration of wells |
| C. | Pumping capacities |
| D. | All of the mentioned |
| Answer» E. | |
| 127. |
Discharge for a unconfined aquifer can be found from the expression developed by__________ |
| A. | Dupuit |
| B. | Darcy |
| C. | Chapman |
| D. | Baron |
| Answer» D. Baron | |
| 128. |
Fine grained cohesive soil can be drained or stabilized by__________ |
| A. | Vacuum method |
| B. | Electro-osmosis method |
| C. | Shallow well system |
| D. | Well point system |
| Answer» C. Shallow well system | |
| 129. |
For unconfined flow, which of the following discharge slot is used? |
| A. | Partially penetrating slot |
| B. | Fully penetrating slot |
| C. | None of the mentioned |
| D. | All of the mentioned |
| Answer» C. None of the mentioned | |
| 130. |
The seepage analysis is done on the assumption of____________ |
| A. | Flow is laminar and Darcy’s law is valid |
| B. | Seepage of water |
| C. | None of the mentioned |
| D. | All of the mentioned |
| Answer» B. Seepage of water | |