Huawei HCIA-Data Center Facility V1.0 - H12-411 Exam Practice Test
When AC power equipment are introduced in by using three-phase four-wire system, in addition to the zero line on the near side of the power transformer grounding, electrical equipment and the engine room should be near the ground repeatedly.
Correct Answer: B
12V battery consists of 6 2V battery cells.
Correct Answer: B
In the main inverter modeT the inverter will change from main inverter to battery inverter mode when overloaded.
Correct Answer: A
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.
Correct Answer: A
Which of the following belongs to the indirect-contact heat and humidity treatment equipment? (Multiple Choice)
Correct Answer: A,B,C
Air conditioning has three major indicators; the three major indicators refer to (). (Multiple Choice)
Correct Answer: A,B,D
Valve-regulated lead-acid battery safety valve has () function. (Multiple choice)
Correct Answer: A,C,D
Which is the unit of UPS rated capacity?
Correct Answer: A