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CMA Intermediate · Operations Management and Strategic Management · Economics of Maintenance and Spares Management

In the economics of maintenance, which of the following best describes preventive maintenance?

Preventive maintenance is scheduled servicing done at planned intervals to reduce the likelihood of breakdowns. It differs from breakdown maintenance, which waits for failure, because the aim is to avoid costly stoppages by acting before the equipment fails.

  1. ARepairing equipment only after it has stopped working
  2. BScheduled servicing carried out at planned intervals to reduce the chance of breakdownCorrect
  3. CReplacing all machines every year regardless of condition
  4. DPostponing all maintenance spending to reduce current costs

Explanation

Preventive maintenance consists of planned inspection, lubrication and servicing at fixed intervals to lower the probability of failure. Option A describes breakdown maintenance. Replacing all machines yearly and postponing spending are not preventive maintenance.

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