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H12-411 – HCNA Data Center Facility

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Showing 7–9 of 10 questions

Question 7

Environmental refrigerant R410a refrigeration performance better than non-environmental refrigerant R22.

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  • ○

    TRUE
  • ○

    FALSE
Question 8

Huawei chilled water air conditioner rely on which to adjust the water flow?

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  • ○

    Flow switch
  • ○

    electric two-way valve
  • ○

    Butterfly valve
  • ○

    Globe valve
Question 9

The type of compressor used by Huawei air-cooled precision air conditioner is ().

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  • ○

    Screw type
  • ○

    Centrifugal
  • ○

    Scroll
  • ○

    Reciprocating