Practice question

Pumps used with corrosives after a load change should be:

  1. Packed with oily rags permanently
  2. Assumed self-cleaning always
  3. Run dry at maximum speed to 'burn out' residue
  4. Flushed/cleaned per procedure so seals and metallurgy are not attacked by residues

Answer: D — Flushed/cleaned per procedure so seals and metallurgy are not attacked by residues

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