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Which one of the following statements is not correct in respect of hydraulic turbines?
  • a)
    (Speed) is proportional to (Diameter)1/2
  • b)
    (Power) is proportional to (Speed)3
  • c)
    (Power) is proportional to (Head)3/2
  • d)
    (Speed) is proportional to (Head)1/2
Correct answer is option 'A'. Can you explain this answer?
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Hydraulic Turbines

Hydraulic turbines are machines that convert the energy of flowing water into mechanical energy. They are used to generate electricity in hydropower plants. The following statements are correct in respect of hydraulic turbines:

• (Power) is proportional to (Speed)3
The power output of a hydraulic turbine is proportional to the cube of its rotational speed.

• (Power) is proportional to (Head)3/2
The power output of a hydraulic turbine is proportional to the cube of the head of water flowing through it raised to the power of 1/2.

• (Speed) is proportional to (Head)1/2
The rotational speed of a hydraulic turbine is proportional to the square root of the head of water flowing through it.

Incorrect Statement:

• (Speed) is proportional to (Diameter)1/2
This statement is incorrect. The rotational speed of a hydraulic turbine is not proportional to the diameter of its runner, but rather to the head of water flowing through it.
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Which one of the following statements is not correct in respect of hydraulic turbines?a)(Speed) is proportional to (Diameter)1/2b)(Power) is proportional to (Speed)3c)(Power) is proportional to (Head)3/2d)(Speed) is proportional to (Head)1/2Correct answer is option 'A'. Can you explain this answer?
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Which one of the following statements is not correct in respect of hydraulic turbines?a)(Speed) is proportional to (Diameter)1/2b)(Power) is proportional to (Speed)3c)(Power) is proportional to (Head)3/2d)(Speed) is proportional to (Head)1/2Correct answer is option 'A'. Can you explain this answer? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about Which one of the following statements is not correct in respect of hydraulic turbines?a)(Speed) is proportional to (Diameter)1/2b)(Power) is proportional to (Speed)3c)(Power) is proportional to (Head)3/2d)(Speed) is proportional to (Head)1/2Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which one of the following statements is not correct in respect of hydraulic turbines?a)(Speed) is proportional to (Diameter)1/2b)(Power) is proportional to (Speed)3c)(Power) is proportional to (Head)3/2d)(Speed) is proportional to (Head)1/2Correct answer is option 'A'. Can you explain this answer?.
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