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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 relative velocity of water at the inlet of the Kaplan turbine is 7 m/s. 1 = 75o. The whirl velocity of the water at inlet is 10 m/s. Find the blade velocity of the turbine? |
A. | 26.124 m/s |
B. | 40 m/s |
C. | 36.124 m/s |
D. | 60 m/s |
Answer» D. 60 m/s | |
2. |
In the inlet velocity triangle of a Kaplan turbine, 1 = 45o. The velocity of flow at inlet = 10 m/s. Find the whirl velocity of water at the inlet of Kaplan turbine? |
A. | 5 m/s |
B. | 10 m/s |
C. | 12.5 m/s |
D. | 15 m/s |
Answer» C. 12.5 m/s | |
3. |
In the outlet velocity triangle of a Kaplan turbine, 2 = 30o. Vf2 = 5 m/s. What is the relative velocity of the flow at outlet? |
A. | 10 m/s |
B. | 5.77 m/s |
C. | 8.66 m/s |
D. | 2.88 m/s |
Answer» B. 5.77 m/s | |
4. |
The flow ratio of a Kaplan turbine is given as 0.7. The available head is 30 m. The outer diameter of the runner is 3.5 m and the hub diameter is 2 m. Find the volume of water flowing through the turbine per second (m3/s)? |
A. | 90 |
B. | 111 |
C. | 125 |
D. | 168 |
Answer» C. 125 | |