ISRO Mechanical & Aerospace 2008 - Question 38

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Topic: Fluid Machinery

In centrifugal pumps, maximum efficiency is obtained when the blades are

  • A. Straight
  • B. Bent forward
  • C. Bent backward
  • D. radial

Answer: C. Bent backward

Explanation: In centrifugal pumps, maximum efficiency is obtained when the blades are bent backward.

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