MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 93 Mcqs, each offering curated multiple-choice questions to sharpen your Environment Management knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
The pressure intensity of water at free surface is ________ |
| A. | Zero |
| B. | Maximum |
| C. | Minimum |
| D. | Uniform |
| Answer» B. Maximum | |
| 52. |
According to IS, the minimum expansion joint in construction should be ________ |
| A. | 18mm to 30 mm |
| B. | 15mm to 24mm |
| C. | 18mm to 25mm |
| D. | 22mm to 30mm |
| Answer» D. 22mm to 30mm | |
| 53. |
_______ curing is adopted for columns and walls. |
| A. | Moist curing |
| B. | Membrane curing |
| C. | Ponding |
| D. | Descending stage |
| Answer» B. Membrane curing | |
| 54. |
Formation of white patches on the surface on the bricks is ____________ |
| A. | Tempering |
| B. | Porosity |
| C. | Shrinkage |
| D. | Efflorescence |
| Answer» E. | |
| 55. |
The range of slenderness ratio in dams varies from ________ |
| A. | 13 – 15 |
| B. | 12 – 15 |
| C. | 15 – 18 |
| D. | 15 – 20 |
| Answer» C. 15 – 18 | |
| 56. |
______ is the difference of Level between full reservoir level and top of the dam. |
| A. | Net free board |
| B. | Gross free board |
| C. | Design free board |
| D. | Over free board |
| Answer» C. Design free board | |
| 57. |
By keeping the phreatic line within the downstream toe, the ___________ can be avoided. |
| A. | Piping |
| B. | Gullying |
| C. | Sloughing |
| D. | Over topping |
| Answer» D. Over topping | |
| 58. |
Water-cement ratio varies normally from ______________ to __________ |
| A. | 0.42 – 0.45 |
| B. | 0.45 – 0.48 |
| C. | 0.42 – 0.48 |
| D. | 0.45 – 0.5 |
| Answer» D. 0.45 – 0.5 | |
| 59. |
The inclination of surcharge to the horizontal is called ____________ |
| A. | Surcharge elevation |
| B. | Surcharge angle |
| C. | Surcharge factor |
| D. | Surcharge depression |
| Answer» C. Surcharge factor | |
| 60. |
The upstream slope recommended for sand and gravel with RCC core wall is __________ |
| A. | 1:2 |
| B. | 3:1 |
| C. | 2.5:1 |
| D. | 1.5:1 |
| Answer» D. 1.5:1 | |
| 61. |
Major distributaries discharge varies from ____________ |
| A. | 0.25 to 5 cumecs |
| B. | 2 to 4 cumecs |
| C. | 1.5 to 5 cumecs |
| D. | 1.2 to 5 cumecs |
| Answer» B. 2 to 4 cumecs | |
| 62. |
Field channels are also known as ______ |
| A. | Branch canals |
| B. | Slope channels |
| C. | Water courses |
| D. | Contour canals |
| Answer» D. Contour canals | |
| 63. |
___________ dams are built with key trenches. |
| A. | Heterogeneous earth dam |
| B. | Homogeneous earth dam |
| C. | Earth Dam with Core wall |
| D. | Rolled fill dam |
| Answer» D. Rolled fill dam | |
| 64. |
Determine the eccentricity of the dam section, if the base width of the dam be 6m. Take Z = 5.5m. |
| A. | 2.5 |
| B. | 1.5 |
| C. | 3.5 |
| D. | 4.5 |
| Answer» B. 1.5 | |
| 65. |
Which of the following is not a failure of retaining wall? |
| A. | Structural slide |
| B. | Shear sliding |
| C. | Crushing |
| D. | Slope pitching |
| Answer» D. Slope pitching | |
| 66. |
Molitor’s formula can be used for calculation of ___________ |
| A. | Freeboard |
| B. | Toe width |
| C. | Wave height |
| D. | Base drop |
| Answer» D. Base drop | |
| 67. |
_______ is provided for installation of control equipment of valves in dams. |
| A. | Vertical shafts |
| B. | Hydraulic openings |
| C. | Connecting passages |
| D. | Isolated chambers |
| Answer» E. | |
| 68. |
The material(earth) retained by the retaining wall is called as __________ |
| A. | Surcharge |
| B. | Turf |
| C. | Foliate |
| D. | Back fill |
| Answer» E. | |
| 69. |
______ grouting increases the bearing capacity of soil. |
| A. | Curtain |
| B. | Consolidated |
| C. | Blanket |
| D. | Descending stage grouting |
| Answer» C. Blanket | |
| 70. |
Calculate the maximum stress at the base section is the self weight is 4400 kN. The top and bottom width of them are 3 and 8 m respectively. Take (e) = 2.97. |
| A. | 1658.15 kN/m² |
| B. | 1775.12 kN/m² |
| C. | 1897.45 kN/m² |
| D. | 2336.67 kN/m² |
| Answer» C. 1897.45 kN/m² | |
| 71. |
Calculate the resultant force of dam with given self weight 800kN and water pressure be 500kN. |
| A. | 943.4 kN |
| B. | 956.7 kN |
| C. | 948.6 kN |
| D. | 939.1 KN |
| Answer» B. 956.7 kN | |
| 72. |
Cracks developed in the body of dam section can be avoided by ________ |
| A. | Construction joints |
| B. | Contraction joints |
| C. | Transverse joints |
| D. | Longitudinal joints |
| Answer» C. Transverse joints | |
| 73. |
Calculate the eccentricity of a rectangular dam of width 4 m. Take the distance between the water face and point where resultant cuts the base as 5.25 m. |
| A. | 2.25m |
| B. | 3.25m |
| C. | 4.35m |
| D. | 5.35m |
| Answer» C. 4.35m | |
| 74. |
Calculate the self-weight of a rectangular dam of 22m high and 8m wide. It contains water upto a height of 20m. Consider the specific weight of masonry be 25 kN/m³. |
| A. | 3560 kN |
| B. | 5432 kN |
| C. | 4400 kN |
| D. | 5680 kN |
| Answer» D. 5680 kN | |
| 75. |
The maximum compressive stresses developed at the base of the dam should not exceed permissible ___________ stresses for masonry. |
| A. | Tensile |
| B. | Crippling |
| C. | Compressive |
| D. | Shear |
| Answer» D. Shear | |
| 76. |
As per IS, the standard dimensions for a brick is _______ (in cm). |
| A. | 19×8×8 |
| B. | 19×9×8 |
| C. | 19×9×9 |
| D. | 19×8×9 |
| Answer» D. 19×8×9 | |
| 77. |
The factor of safety against overturning should not be less than ______ |
| A. | 1.8 |
| B. | 2.25 |
| C. | 1.5 |
| D. | 1.75 |
| Answer» D. 1.75 | |
| 78. |
The maintenance of the reservoirs, above _____________ Ha comes under irrigation department. |
| A. | 30 |
| B. | 40 |
| C. | 50 |
| D. | 60 |
| Answer» C. 50 | |
| 79. |
Springs(closely coiled) are examples of _____________ |
| A. | stiffness |
| B. | hardness |
| C. | toughness |
| D. | creep |
| Answer» B. hardness | |
| 80. |
Which of the following filters are also known as chimney drains? |
| A. | Horizontal filter |
| B. | Inclined filter |
| C. | Rock toe |
| D. | Toe drain |
| Answer» C. Rock toe | |
| 81. |
The depression made in the face of brick during its manufacture is _________ |
| A. | Brick tile |
| B. | Bat |
| C. | Frog |
| D. | Quoin closer |
| Answer» D. Quoin closer | |
| 82. |
Zoned earthen dams are also known as ______ |
| A. | Heterogeneous dams |
| B. | Core wall dams |
| C. | Homogeneous dams |
| D. | Hydraulic dam |
| Answer» B. Core wall dams | |
| 83. |
If the maximum stress is positive, then the nature of stress is ____ |
| A. | Tensile |
| B. | Shearing |
| C. | Compressive |
| D. | Bending |
| Answer» D. Bending | |
| 84. |
When the reservoir is empty tension occurs at ___________ |
| A. | Toe |
| B. | Heel |
| C. | Top width |
| D. | Bottom width |
| Answer» B. Heel | |
| 85. |
The structures constructed along are distributaries are called as _______ |
| A. | Inlets |
| B. | Outlets |
| C. | Distributaries |
| D. | Channels |
| Answer» C. Distributaries | |
| 86. |
Line of seepage is also known as __________ |
| A. | Hydraulic gradient |
| B. | Phreatic line |
| C. | Seepage gradient |
| D. | Hydraulic seepage line |
| Answer» C. Seepage gradient | |
| 87. |
Granite has been widely used for dams construction because of _______ |
| A. | Crushing strength |
| B. | Cost |
| C. | Workability |
| D. | Porosity |
| Answer» B. Cost | |
| 88. |
____________ represents the top stream line. |
| A. | Phreatic line |
| B. | Hydraulic gradient line |
| C. | Seepage gradient |
| D. | Hydraulic seepage line |
| Answer» B. Hydraulic gradient line | |
| 89. |
The obstruction or a barrier built across the stream or river is called _____________ |
| A. | Barrage |
| B. | Weir |
| C. | Dam |
| D. | Reservoir |
| Answer» D. Reservoir | |
| 90. |
FTL Stands for ________ |
| A. | Free tank level |
| B. | Full tank level |
| C. | Full top level |
| D. | Fill toe level |
| Answer» C. Full top level | |
| 91. |
_______ is openings extending from upstream to downstream of the dam. |
| A. | Guide banks |
| B. | Divide voids |
| C. | Sluices |
| D. | Spillway |
| Answer» D. Spillway | |
| 92. |
Water stored in dam is expressed in _______ |
| A. | Mega cumec metres |
| B. | Million cubic metres |
| C. | Metric cumec |
| D. | Million cusec metres |
| Answer» C. Metric cumec | |
| 93. |
MDDL Stands for ________ |
| A. | Minimum draw down level |
| B. | Maximum draw down level |
| C. | Million drop down level |
| D. | Mega drop down level |
| Answer» B. Maximum draw down level | |