Q. Impulse blades are in the shape of

  • (A) rain drop
  • (B) circular
  • (C) half moon
  • (D) none of the mentioned
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βœ… Correct Answer: (C) half moon
Explanation: blades used in impulse turbines are half moon shaped because as steam enters the moving blade it pushes the blade forward.

Explanation by: Mr. Dubey
blades used in impulse turbines are half moon shaped because as steam enters the moving blade it pushes the blade forward.

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