MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 62 Mcqs, each offering curated multiple-choice questions to sharpen your Irrigation Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
A canal which is aligned at right angles to the contour is called |
| A. | contour canal |
| B. | watershed canal |
| C. | branch canal |
| D. | side slope canal |
| Answer» E. | |
| 52. |
Design of irrigation canals in plain regions of Karnataka is usually done based on |
| A. | Lacey’s theory |
| B. | Dicken’s theory |
| C. | Kennedy’s equation |
| D. | Theory of Economical sections |
| Answer» B. Dicken’s theory | |
| 53. |
Lining of irrigation channels |
| A. | Increases the water logging area |
| B. | Decreases the water logging area |
| C. | Does not change the water logging area |
| D. | None of the above |
| Answer» C. Does not change the water logging area | |
| 54. |
Irrigation channel are usually kept along the one of the following:- |
| A. | Valley |
| B. | Water shed |
| C. | Contour line |
| D. | Straight line |
| Answer» C. Contour line | |
| 55. |
If the nature of river is at a moderate bent condition then maximum V depth of scour is taken as: |
| A. | 1.25 D |
| B. | 1.75 D |
| C. | 1.5 D |
| D. | 2 D |
| Answer» D. 2 D | |
| 56. |
Garret’s diagram are used to: |
| A. | Separate base flow from total runoff |
| B. | Correct inconsistency in rainfall data |
| C. | Determine reservoir capacity |
| D. | Design channels |
| Answer» E. | |
| 57. |
In a canal, a cistern element is designed on the |
| A. | upstream side of a fall to absorb the shock of the returning wave |
| B. | upstream side of a fall to prevent the damage to the bed and sides due to undesirable scour |
| C. | downstream of a fall to dissipate the kinetic energy and prevent the damage to the bed and sides due to undesirable scour |
| D. | downstream of a fall to divert the flow |
| Answer» D. downstream of a fall to divert the flow | |
| 58. |
Coefficient of Rugosity, as defined by Lacey, is dependent on |
| A. | Grade of the boundary material |
| B. | Density of the boundary material |
| C. | Grade and density of the boundary material |
| D. | Grade, density and hydraulic mean depth of the boundary material |
| Answer» D. Grade, density and hydraulic mean depth of the boundary material | |
| 59. |
Lacey gave a relation between |
| A. | velocity and hydraulic mean depth |
| B. | area and velocity |
| C. | Both 1 and 2 |
| D. | None of the above |
| Answer» D. None of the above | |
| 60. |
Cross regulators are provided |
| A. | to rise the water level to its upstream during the periods of low discharge in parent channel |
| B. | to help in closing the supply to downstream of the parent channel |
| C. | to absorb fluctuations in various sections of the channel systems |
| D. | All of the above |
| Answer» E. | |
| 61. |
According to Kennedy, non-silting and non-scouring velocity is called: |
| A. | Optimal velocity |
| B. | Critical velocity |
| C. | Mean velocity |
| D. | Average velocity |
| Answer» C. Mean velocity | |
| 62. |
Lacey’s theory is applicable to flow |
| A. | through pipes |
| B. | over spillways |
| C. | in alluvial rivers and canal |
| D. | in concrete lined canals |
| Answer» D. in concrete lined canals | |