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H12-411 – HCNA Data Center Facility

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Showing 4–6 of 10 questions

Question 4

The core components of the refrigeration system include (). (Multiple Choice)

Select all that apply, then click Submit answer.

  • ○

    Evaporator
  • ○

    Condenser
  • ○

    Compressor
  • ○

    Expansion valve
Question 5

Air conditioning has three major indicators; the three major indicators refer to (). (Multiple Choice)

Select all that apply, then click Submit answer.

  • ○

    Temperature
  • ○

    Humidity
  • ○

    Cleanliness
  • ○

    Dryness
Question 6

The following () air supply methods are mainly applicable to the craft air conditioners in lower work area where there is a large amount of waste heat to be taken away.

Select an option, then click Submit answer.

  • ○

    middle air-supply
  • ○

    upper supply and bottom return
  • ○

    bottom supply and upper return
  • ○

    bottom supply and bottom return