Huawei H12-411 HCIA Data Center Facility V1.0 Exam Practice Test

Which of the following does not belong to the four major components of air conditioning?

Protective grounding: grounding refers to the direct connection with the earth, electrical installations or electrical parts of the live part of a point connected with the earth, electrical installations or other devices are not charged part of the normal point of the earth and man-made connection.

A UPS capacity is 200KVA with output power factor is 0.9, then how much load does It can drive up?

R410a refrigerant can cause greenhouse effect and destroy ozone layer

In low-voltage power distribution systems, the role of the PE line is to provide a return path for the fault current in the event of a power system failure.

Dynamic environment monitoring system only has secondary architecture.

() is used to ensure that the extinguishing agent is sprayed in a specific jet to promote the rapid vaporization of the extinguishing agent and to achieve the extinguishing concentration within the protected space.