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Virendra Yadav
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Asked: 2023-04-27T09:42:02+00:00 In:

Which statement about impulse turbine is true? a) Steam expands over blades b) Steam expends completely in stationary nozzels c) Steam expends partially over nozzle and turbine blades d) Steam expends over blades incompletely

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Which statement about impulse turbine is true? a) Steam expands over blades b) Steam expends completely in stationary nozzels c) Steam expends partially over nozzle and turbine blades d) Steam expends over blades incompletely
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    12 Answers

    1. Answer: b
      Explanation: In an impulse turbine the steam expands completely in the stationary nozzles. No pressure drop occurs over the moving Blade Runner. During expansion steam attains a high velocity and impinges against the blades fixed on the rotor Periphery resulting in the impulsive force on the moving blades which sets the rotor rotating.

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    3. Answer: b
      Explanation: In an impulse turbine the steam expands completely in the stationary nozzles. No pressure drop occurs over the moving Blade Runner. During expansion steam attains a high velocity and impinges against the blades fixed on the rotor Periphery resulting in the impulsive force on the moving blades which sets the rotor rotating.

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    4. Answer: b

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    6. b) Steam expends completely in stationary nozzels

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    7. Answer: b

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    9. b) Steam expends completely in stationary nozzels

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    10. Answer: b

      Explanation: In an impulse turbine the steam expands completely in the stationary nozzles. No pressure drop occurs over the moving Blade Runner. During expansion steam attains a high velocity and impinges against the blades fixed on the rotor Periphery resulting in the impulsive force on the moving blades which sets the rotor rotating.

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    12. b) Steam expends completely in stationary nozzels

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    13. Answer: b
      Explanation: In an impulse turbine the steam expands completely in the stationary nozzles. No pressure drop occurs over the moving Blade Runner. During expansion steam attains a high velocity and impinges against the blades fixed on the rotor Periphery resulting in the impulsive force on the moving blades which sets the rotor rotating.

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    15. Answer: b
      Explanation: In an impulse turbine the steam expands completely in the stationary
      nozzles. No pressure drop occurs over the moving Blade Runner. During expansion
      steam attains a high velocity and impinges against the blades fixed on the rotor
      Periphery resulting in the impulsive force on the moving blades which sets the rotor
      rotating.

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    16. Answer: b
      Explanation: In an impulse turbine the steam expands completely in the stationary
      nozzles. No pressure drop occurs over the moving Blade Runner. During expansion
      steam attains a high velocity and impinges against the blades fixed on the rotor
      Periphery resulting in the impulsive force on the moving blades which sets the rotor
      rotating.

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    18. Answer: b
      Explanation: In an impulse turbine the steam expands completely in the stationary
      nozzles. No pressure drop occurs over the moving Blade Runner. During expansion
      steam attains a high velocity and impinges against the blades fixed on the rotor
      Periphery resulting in the impulsive force on the moving blades which sets the rotor
      rotating.

      • 0

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