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Which is the wrong statement about hydraulic turbine?
  • a)
    The relative velocity over the moving blades increases in impulse turbines
  • b)
    A pelton wheel is a tangential flow impulse turbine
  • c)
    A francis turbine is a mix of radial and axial flow reaction turbine
  • d)
    A kaplan turbine is a axial flow reaction turbine
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
Which is the wrong statement about hydraulic turbine?a)The relative ve...
Hydraulic turbine - 
The main classification depends upon the type of action of the water on the turbine. These are :
(i) Impulse Turbine
(ii) Reaction Turbine. 

(i) Impulse turbine:-
  • In the case of an impulse turbine, all the potential energy is converted to kinetic energy in the nozzles. The impulse provided by the jets is used to turn the turbine wheel. 
  • This type is found suitable when the available potential energy is high and the flow available is comparatively low.
  • The relative velocity over the moving blades either remains constant or slightly decreases so the correct answer is option 1
(ii) Reaction Turbine:-
  • In reaction turbines, the available potential energy is progressively converted in the turbine's rotors and the reaction of the accelerating water causes the turning of the wheel.
  • The relative velocity over the moving blades increases.
  • These are again divided into (a) radial flow, (b) mixed flow, and (c) axial flow machines
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Community Answer
Which is the wrong statement about hydraulic turbine?a)The relative ve...
Hydraulic turbine - 
The main classification depends upon the type of action of the water on the turbine. These are :
(i) Impulse Turbine
(ii) Reaction Turbine. 

(i) Impulse turbine:-
  • In the case of an impulse turbine, all the potential energy is converted to kinetic energy in the nozzles. The impulse provided by the jets is used to turn the turbine wheel. 
  • This type is found suitable when the available potential energy is high and the flow available is comparatively low.
  • The relative velocity over the moving blades either remains constant or slightly decreases so the correct answer is option 1
(ii) Reaction Turbine:-
  • In reaction turbines, the available potential energy is progressively converted in the turbine's rotors and the reaction of the accelerating water causes the turning of the wheel.
  • The relative velocity over the moving blades increases.
  • These are again divided into (a) radial flow, (b) mixed flow, and (c) axial flow machines
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Which is the wrong statement about hydraulic turbine?a)The relative velocity over the moving blades increases in impulse turbinesb)A pelton wheel is a tangential flow impulse turbinec)A francis turbine is a mix of radial and axial flow reaction turbined)A kaplan turbine is a axial flow reaction turbineCorrect answer is option 'A'. Can you explain this answer?
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Which is the wrong statement about hydraulic turbine?a)The relative velocity over the moving blades increases in impulse turbinesb)A pelton wheel is a tangential flow impulse turbinec)A francis turbine is a mix of radial and axial flow reaction turbined)A kaplan turbine is a axial flow reaction turbineCorrect 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 is the wrong statement about hydraulic turbine?a)The relative velocity over the moving blades increases in impulse turbinesb)A pelton wheel is a tangential flow impulse turbinec)A francis turbine is a mix of radial and axial flow reaction turbined)A kaplan turbine is a axial flow reaction turbineCorrect 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 is the wrong statement about hydraulic turbine?a)The relative velocity over the moving blades increases in impulse turbinesb)A pelton wheel is a tangential flow impulse turbinec)A francis turbine is a mix of radial and axial flow reaction turbined)A kaplan turbine is a axial flow reaction turbineCorrect answer is option 'A'. Can you explain this answer?.
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