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Free H12-411 Exam Braindumps (page: 15)

Page 14 of 47
PDF with 185 Questions

The end of lead-acid battery discharge, the vottage drop, positive and negative active materials transform into (_______________).

  1. PbO
  2. Pb
  3. H2S04
  4. PbS04

Answer(s): D



Which of the following is the correct indication of a fixed valve-regulated lead-acid batteries with 2V single cell, rated capacity of 800Ah?

  1. 1-GFM-800
  2. 800-GFM-1
  3. 800-GMF-1
  4. GFM-800

Answer(s): D



In the process of construction, carry out the debris splash operation, should use (_______________).

  1. helmets
  2. anti-smashing shoes
  3. anti-impact goggles
  4. seat belt

Answer(s): C



There are three different categories of earthing (TN, TT and IT) in low voltage distribution systems. The second capital letter represents (_______________).

  1. Indicates the relationship of the power system to the exposed conductive parts of the power receiving system
  2. Indicates the relationship of the power system on the ground
  3. shows the relationship between neutral N and protective earth PE
  4. Said the relationship between power receiving system exposed conductive parts and the ground

Answer(s): D






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