Practice Free H12-411_V2.0-ENU Exam Online Questions
When it is necessary to stop the running equipment, directly disconnect the isolating switch to cut off the power supply of the equipment.
- A . True
- B . False
Netcol5000-A025H half-cabinet row-level variable frequency air-cooled precision air conditioner, Netcol5000-A042H full-cabinet row-level variable frequency air-cooled precision air conditioner, Netcol8000-C 2.0 series room-level refrigerated underwater air supply precision air conditioner, use a 7-inch touch color screen, which can intuitively and vividly display the unit operation information.
- A . True
- B . False
Which of the following descriptions is the function of the condensing water pump in Huawei’s chilled water precision air conditioner?
- A . Remove condensed water from the system
- B . Check the condensate level
- C . Control the water flow into the air conditioner
- D . Promote chilled water circulation
What are the functions of the safety valve for valve- regulated lead-acid batteries? (Multiple choice)
- A . Prevent air from entering
- B . Conductive
- C . Participate in chemical reactions
- D . Expel excess gas
Which of the following forms does the AC grounding system include? (Multiple choice)
- A . CT
- B . TT
- C . IT
- D . TN
No limit on the total length of refrigerant pipes for direct expansion air-cooled air conditioners
- A . True
- B . False
The UPS5000-S power module has a capacity of 50kVA and a height of 2U, with the highest power density in the industry.
- A . True
- B . False
() components can improve the heat transfer capacity of the heat exchanger.
Building monitoring is one of the eight subsystems of data center infrastructure.
- A . True
- B . False
NETCOL5000-A The air conditioner unit makes abnormal sound during operation. Check whether the compressor, fan, and pipeline lights are fixed normally or not.
- A . True
- B . False