Online Access Free Huawei.H12-425-ENU.v2021-09-30.q157 Practice Test (Page 4)

The input line voltage of UPS5000-E supports ().

A.380V

B.415V

C.400V

D.220V

How many NetCol5000-C water-cooled line-class precision air conditioners can be supported by one NetCol520 chilled water distribution unit?

A.6

B.10

C.12

D.8

During Nitrogen injecting, a pressure relief valve must be installed on the nitrogen cylinder.

A.FALSE

B.TRUE

UPS2000-G-20 kVA displays that the batteries status NA, the possible reason is ().

A.Batteries are not connected.

B.Batteries are connected properly

C.The neutral wire of the batteries is not connected

D.Batteries are undervoltage

The () is used to urgently start gas fire extinguishing equipment in a case of fire

A.Pressure switch

B.Electromagnetic valve

C.Fire cylinder

D.Emergency abort button/manual gas release button

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