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Hydraulic Machines Practice Test: Characteristic Curves & Governing of Turbines
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Avg score: 75% Most missed: “What is primary objective of steam turbine governing?”
Characteristic Curves & Governing of Turbines topics include: Constant head curves, turbines governing, constant speed curves and efficient curves. Characteristic curves are plotted from the results of tests performed on a turbine under different working conditions. They help study the turbine's performance under various conditions.  There are three types of characteristic curves in turbines: Main Characteristic Curves or Constant Head Curve Constant Efficiency Curve Constant Speed Curves  Turbine manufacturers supply these curves based on actual tests. The data obtained in testing a... Show more
Hydraulic Machines Practice Test: Characteristic Curves & Governing of Turbines
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25 Questions

1. Which among the following is not an important parameter to determine the performance of the turbine?
2. Which among the following control the flow rate?
3. When bypass valve is opened to _______
4. All the characteristic curves are drawn with respect to __________
5. Constant head curves are also called as _______
6. Constant speed curves are also called as _______
7. What is primary objective of steam turbine governing?
8. The speed of the turbine in a constant head curve is varied by __________
9. Constant head curves are also called as _______
10. In nozzle governing, the flow rate of steam is regulated by _________
11. The performance of a characteristic curve is kept at a high value.
12. Plotting sine curve will take place along the _________
13. Constant speed curves travel at constant speed when the value is equal to _______
14. Which among the following is not a parameter to determine the efficiency of the turbine?
15. Combination governing involves usage of two or more governing.
16. The inlet passage of water entry is controlled by ________
17. When the balancing of the turbine is disturbed, we use ________
18. Which among the following is not a parameter to determine the efficiency of the turbine?
19. What is primary objective of steam turbine governing?
20. The inlet passage of water entry is controlled by ________
21. In constant speed curves, the velocity is kept a constant varying its head.
22. In analytical approach, dp= __________
23. When do we apply by pass governing?
24. Constant discharge takes place due to _______
25. The main function of nozzle is to __________