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Among the following which turbine has highest efficiency?
- a)Kaplan turbine
- b)Francis turbine
- c)Pelton turbine
- d)Propeller turbine
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
Among the following which turbine has highest efficiency?a)Kaplan turb...
Kaplan is inward flow reaction turbine and is operated under head less than 60 meters. The vanes attached to hub are adjustable and Kaplan is mainly operated in location where large quantity of water at low head is available.
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Among the following which turbine has highest efficiency?a)Kaplan turb...
Explanation:
Kaplan Turbine:
- Kaplan turbine is a type of axial flow turbine used for high flow and low head applications.
- It has adjustable blades which allow for high efficiency over a wide range of operating conditions.
- The efficiency of Kaplan turbine can reach up to 90%, making it one of the most efficient turbines available.
Francis Turbine:
- Francis turbine is a type of reaction turbine used for medium to high head applications.
- It has fixed blades and operates at a constant speed, which can limit its efficiency compared to turbines with adjustable blades.
- The efficiency of Francis turbine typically ranges from 85-90%.
Pelton Turbine:
- Pelton turbine is a type of impulse turbine used for high head applications.
- It has buckets that are hit by a high velocity jet of water, converting the kinetic energy into mechanical energy.
- The efficiency of Pelton turbine is typically around 80-90%.
Propeller Turbine:
- Propeller turbine is a type of axial flow turbine used for low head applications.
- It has fixed blades and operates at a constant speed, which can limit its efficiency compared to turbines with adjustable blades.
- The efficiency of propeller turbine can range from 70-85%.
Therefore, among the given options, the Kaplan turbine has the highest efficiency, reaching up to 90% due to its adjustable blades and ability to operate efficiently over a wide range of operating conditions.
Kaplan Turbine:
- Kaplan turbine is a type of axial flow turbine used for high flow and low head applications.
- It has adjustable blades which allow for high efficiency over a wide range of operating conditions.
- The efficiency of Kaplan turbine can reach up to 90%, making it one of the most efficient turbines available.
Francis Turbine:
- Francis turbine is a type of reaction turbine used for medium to high head applications.
- It has fixed blades and operates at a constant speed, which can limit its efficiency compared to turbines with adjustable blades.
- The efficiency of Francis turbine typically ranges from 85-90%.
Pelton Turbine:
- Pelton turbine is a type of impulse turbine used for high head applications.
- It has buckets that are hit by a high velocity jet of water, converting the kinetic energy into mechanical energy.
- The efficiency of Pelton turbine is typically around 80-90%.
Propeller Turbine:
- Propeller turbine is a type of axial flow turbine used for low head applications.
- It has fixed blades and operates at a constant speed, which can limit its efficiency compared to turbines with adjustable blades.
- The efficiency of propeller turbine can range from 70-85%.
Therefore, among the given options, the Kaplan turbine has the highest efficiency, reaching up to 90% due to its adjustable blades and ability to operate efficiently over a wide range of operating conditions.
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Among the following which turbine has highest efficiency?a)Kaplan turbineb)Francis turbinec)Pelton turbined)Propeller turbineCorrect answer is option 'A'. Can you explain this answer?
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