H12-425

Review 55 H12-425 practice questions with answer explanations and community insights.

Question 1

Which air supply mode requires reasonable raised floor height?

  1. Air supply mode using blast caps.
  2. Underfloor air supply mode
  3. Air supply mode using wind pipe
  4. In-row horizontal air supply mode

Question 2

Which of the following statements is true about UPS5000 power modules and bypass modules?

  1. The UPSS000-E-200K and UPS5000-E-400K use the same power module and provide the same capacity of 50 kVA but have different numbers of power modules.
  2. For UPSs of the same model but in different power segments, their bypass module capacity is the same.
  3. The power module capacity of both the UPS5000-S and UPS5000-E is 50 kVA. Therefore, the two types of UPS can be used together.
  4. The power modules used in the UPSS000-S-1200K are the same as those used in the UPS5000-E-200K.

Question 3

The output terminals of the UPS2000-G-6/10/15/20K include sL and pL. Which of the following statements about the terminals is false?

  1. When UPSs are connected in parallel, connect loads to the pL terminal.
  2. When a single UPS works and loads are of the same importance, connect all loads to the sL terminal.
  3. When a single UPS works and loads are divided into two levels, connect the primary load to the sL terminal and the secondary load to the pL terminal.
  4. When the UPS is overloaded, the loads connected to the sL terminal will be powered off first to ensure continuous power supply to the loads connected to the pL terminal.

Question 4

What is the input/output voltage range of the SmartLi BCU?

  1. 280-415 V
  2. 300-400 V
  3. 300-480 V
  4. 400-544 V

Question 5

To determine whether the R410A refrigerant meets requirements, compare the internal pressure of the refrigerant with the saturation pressure corresponding to the refrigerant temperature. If the difference between the internal pressure and the saturation pressure is within the range of which of the following, replace the refrigerant?

  1. 0-0.05 MPa
  2. 0.05-0.1 MPa
  3. 0.1-0.2 MPa
  4. 0.25-0.3 MPa
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