H12-425 무료 덤프문제 온라인 액세스

Which of the following are the characteristics of Huawei NetCol5000-A row-level precision air conditioner cooling capacity adjustment?

• A.Invariable frequency compressor, can't adjust cooling capacity infinitely.
• B.DC inverter compressor, which can 20%~100% infinitely adjust cooling capacity.
• C.When the load is lower than 20%, the electric heating heat compensation is turned on, and the compressor is continuously operated without stopping.
• D.When the load is lower than 30%, the compressor starts and stops frequently, and the valve frequently actions and is easily stuck.

The Netcol 5000-A35kW uses an electronic expansion valve.

• A.False
• B.True

Which mode of air supply is suitable for data centers with high power density in a single cabinet.

• A.Upper hood
• B.Upper air duct
• C.Row level
• D.Under the floor

The operation noise of the NetCol5000-A air conditioning unit is abnormal. It should be checked whether the compressor, fan, pipeline, etc. are fixed normally and there is looseness.

• A.False
• B.True

To use the NetEco APP on PAD to query the PUE information of the current computer room, you need to click the () menu.

• A.Alarm
• B.More
• C.Monitoring
• D.Energy consumption