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This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Hydraulic Machines knowledge and support exam preparation. Choose a topic below to get started.
1. |
The velocities of the blade angles can be found out using ________ |
A. | Mach number |
B. | Froude s number |
C. | Velocity triangles |
D. | Reynolds number |
Answer» D. Reynolds number | |
2. |
The efficiency of the vane is given by _________ |
A. | 1-V<sub>2</sub><sup>2</sup>/ V<sub>1</sub><sup>2</sup> |
B. | 1-(V<sub>2</sub><sup>2</sup>/ V<sub>1</sub><sup>2</sup>) |
C. | V<sub>2</sub><sup>2</sup>/ V<sub>1</sub><sup>2</sup> |
D. | 1- V<sub>1</sub><sup>2</sup> |
Answer» B. 1-(V<sub>2</sub><sup>2</sup>/ V<sub>1</sub><sup>2</sup>) | |
3. |
Non- inertial cavitation is the one in which a bubble of fluid is forced to oscillate. |
A. | True |
B. | False |
Answer» B. False | |
4. |
Internal cavitation occurs due to __________ |
A. | Drag force |
B. | Cyclic stress |
C. | Shock waves |
D. | Flow speed |
Answer» D. Flow speed | |