MCQOPTIONS
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MCQOPTIONS
This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Irrigation Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Calculate the central depth of a triangular channel section to carry a discharge of 15 cumecs. Consider the available slope as 1 in 9000. Assume the side slopes of the channel be 1.25:1 and manning’s constant is 0.015 for good brick work in lining. |
| A. | 2.94 m |
| B. | 3.14 m |
| C. | 2.25 m |
| D. | 2.77 m |
| Answer» B. 3.14 m | |
| 2. |
Calculate hydraulic mean depth for concrete-lined channel to carry a discharge of 350 cumecs at a slope of 1 in 5000. The value of manning’s constant for the lining is 0.015. The side slopes of a channel may be taken as 1.5:1. Assume limiting velocity in the channel as 2m/sec. |
| A. | 2.20 m |
| B. | 2.40 m |
| C. | 2.60 m |
| D. | 2.80 m |
| Answer» E. | |
| 3. |
When the concrete lining is not reinforced in a channel, velocities up to 2.5 m/sec are permitted. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
What is the minimum value of inspection bank width recommended by Indian Standards if the discharge is more than 30 cumecs? |
| A. | 8 |
| B. | 5.0 |
| C. | 6.0 |
| D. | 7.0 |
| Answer» B. 5.0 | |
| 5. |
The distance measured above the F.S.L and to the top of the lining is known as free-board. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
What is the minimum value of free-board for Main and Branch Lined canals if the discharge is more than 10 cumecs as per specified by BIS code? |
| A. | 0.6 |
| B. | 0.50 |
| C. | 0.75 |
| D. | 0.30 |
| Answer» D. 0.30 | |
| 7. |
What is the maximum permissible velocity in Cement concrete lining (Unreinforced) as per Indian Standards? |
| A. | 2 to 2.5 m/sec |
| B. | 1.5 to 2 m/sec |
| C. | 1.2 to 1.8 m/sec |
| D. | as per Indian Standards?a) 2 to 2.5 m/secb) 1.5 to 2 m/secc) 1.2 to 1.8 m/secd) 1.5 to 2.5 m/sec |
| Answer» B. 1.5 to 2 m/sec | |
| 8. |
What types of channel sections are usually adopted? |
| A. | Triangular and Circular channel |
| B. | Triangular and Trapezoidal channel |
| C. | Rectangular and Trapezoidal channel |
| D. | Rectangular and Triangular channel |
| Answer» C. Rectangular and Trapezoidal channel | |