When should preventive maintenance be undertaken?

Question

Options

• Awhen a projector lamp has failed
• Bafter a customer has reported a system failure
• Cwhen there is more than one failure in the system
• Dat scheduled times independent of system failures

• A
  3% (1)
• B
  17% (6)
• C
  8% (3)
• D
  72% (26)

No community discussion yet for this question.