ISRO Mechanical & Aerospace 2010 - Question 45

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In an extra humid atmosphere which one of the following motor would you select?

  • A. Open type
  • B. Semi-protected
  • C. Drip proof
  • D. Totally enclosed fan cooled

Answer: D. Totally enclosed fan cooled

Explanation: TEFC motors prevent moisture and contaminants from entering the motor windings.

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