McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Civil Engineering .
| 151. |
The bed and sides are smooth and regular in artificial channel. |
| A. | true |
| B. | false |
| C. | all |
| D. | none |
| Answer» A. true | |
| 152. |
Velocity flow and discharge is as per design in artificial channel. |
| A. | true |
| B. | false |
| C. | all |
| D. | none |
| Answer» B. false | |
| 153. |
Ratio of actual velocity of flow and critical velocity of flow is known as |
| A. | Reynolds number |
| B. | Froude number |
| C. | manning’s number |
| D. | cutter’s number |
| Answer» B. Froude number | |
| 154. |
If fr = 1, then type of flow is |
| A. | super critical flow |
| B. | sub critical flow |
| C. | critical flow |
| D. | equivalent critical flow |
| Answer» C. critical flow | |
| 155. |
If fr < 1, then type of flow is |
| A. | super critical flow |
| B. | sub critical flow |
| C. | critical flow |
| D. | equivalent critical flow |
| Answer» B. sub critical flow | |
| 156. |
If fr > 1, then type of flow is |
| A. | super critical flow |
| B. | sub critical flow |
| C. | critical flow |
| D. | equivalent critical flow |
| Answer» A. super critical flow | |
| 157. |
The perimeter of channel cross section which is in contact with flowing water is called |
| A. | perimeter |
| B. | dry perimeter |
| C. | wetted perimeter |
| D. | water perimeter |
| Answer» C. wetted perimeter | |
| 158. |
the ratio of cross sectional area to the wetted perimeter is called |
| A. | hydraulic mean depth |
| B. | hydraulic depth |
| C. | mean depth |
| D. | none of this |
| Answer» A. hydraulic mean depth | |
| 159. |
For rectangular section, Hydraulic mean depth is |
| A. | b × d = b + 2d |
| B. | b × d = b + d |
| C. | b + d = b × 2d |
| D. | b + d = b × d |
| Answer» A. b × d = b + 2d | |
| 160. |
A sudden increase in the depth of canal flow is called |
| A. | specific energy curve |
| B. | Hydraulic jump |
| C. | water jump |
| D. | mean jump |
| Answer» B. Hydraulic jump | |
| 161. |
The place, where the hydraulic jump takes place, a lot energy of the flowing liquid is dissipated. |
| A. | true |
| B. | false |
| C. | all |
| D. | none |
| Answer» A. true | |
| 162. |
The measurement of velocity of flow. cross sectional area of river and discharge of water in the river is known as |
| A. | river mapping |
| B. | river measurement |
| C. | river gauging |
| D. | none of this |
| Answer» C. river gauging | |
| 163. |
Methods of Velocity Measurement is |
| A. | Surface floats |
| B. | Sub-surface floats |
| C. | Velocity rods |
| D. | all of this |
| Answer» D. all of this | |
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