Online Access Free Huawei.H12-425.v2021-10-01.q163 Practice Test (Page 7)

Which one is a free cooling system?

A.Chilled water air conditioning system

B.Direct ventilation air conditioning system

C.Water cooled air conditioning system

D.Direct expansion air conditioning system

The UPS2000-G 20KVA parallel system cannot share battery strings.

A.FALSE

B.TRUE

When ECC800 detects that a device is connected, a communication interruption alarm will generate. The possible reasons are ().

A.The cable connection is loose

B.The power supply is abnormal

C.The cable connection is in poor contact

D.The communication module device is faulty.

What should be done if the humidifier cylinder needs to be removed and maintained?

A.Replace the hose that has become rigid and fragile and thoroughly clean

B.Disconnect the cables of the water supply valve and the water drain valve.

C.Remove the components of the water drain trough and valve

D.Remove and clean the water supply valve.

When the status of UPS2000G battery is "NA", it may be ().

A.The battery is not connected

B.Battery N line is not connected

C.Battery low voltage

D.The battery is connected properly.

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