technology medium MCQ

Which data center cooling technology uses outside air to reduce mechanical cooling needs?

  1. Chilled Water
  2. Free Air Cooling
  3. Liquid Immersion
  4. Evaporative Cooling

Answer: Free Air Cooling

Free air cooling uses filtered outside air when ambient conditions permit, reducing chiller usage by 30-70%. Implemented in Google, Facebook data centers. Critical for PUE improvement and operational cost reduction.

Topic Green Computing
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