Online Access Free H12-411_V2.0 Exam Questions

Huawei Netcol air-cooled air conditioner requires low temperature components when the outdoor temperature is below -20.

• A.False
• B.True

Which of the following are the switching types of ATS? (Multiple choice)

• A.Standard Switching
• B.Closed switch
• C.Delayed switching
• D.Instantaneous switching

When the pressure difference switch of the indoor unit's air filter is closed, it means that there is too much dust on the filter and it should be dealt with in time.

• A.False
• B.True

Which of the following protective equipment should be used during corrosive work during construction? (Multiple choice)

• A.Anti-corrosion fluid goggles
• B.Acid and alkali resistant gloves
• C.Acid (alkali) resistant clothing
• D.Chemical resistant shoes

Which of the following alarm functions does the PDU8000 precision power distribution cabinet sub- circuit have? (Multiple choice)

• A.Over-frequency alarm
• B.High current impact alarm
• C.branch overload
• D.Overvoltage alarm
• E.Current high threshold over-limit alarm