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  5. H12-411

Free H12-411 Exam Braindumps (page: 20)

Page 19 of 47
PDF with 185 Questions

Water-cooling/ethylene glycol air-conditioning refrigerant at the factory has been filled well, on-site installation convenient and quick.

  1. TRUE
  2. FALSE

Answer(s): A



In air-conditioning systems, the role of (_______________) is to cool the high-temperature and high-pressure gas discharged from the compressor by using water-cooled or air-cooled to release heat to the outside world.

  1. Evaporator
  2. Condenser
  3. compressor
  4. Expansion valve

Answer(s): B



In the low-voltage distribution system, the role of the N line is used to exchange working current backflow.

  1. TRUE
  2. FALSE

Answer(s): A



How much V is the contact voltage limit (equivalent to the safety voltage) prescribed by the International Electrotechnical Commission (IEC)? And provides 25V following do not need to consider the safety measures to

prevent electric shock.

  1. 30
  2. 90
  3. 50
  4. 220

Answer(s): C






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