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What is preventive maintenance?

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in Aircraft Design by (701k points)
What is preventive maintenance?

(a) Maintenance done before breakdown of component

(b) Unscheduled maintenance

(c) Same as corrective maintenance

(d) Not a valid type of maintenance

This question was addressed to me in an internship interview.

The query is from Configuration Layout in portion Configuration Layout Considerations of Aircraft Design

1 Answer

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Best answer
Correct answer is (a) Maintenance done before breakdown of component

Explanation: When maintenance is done at given pre-defined period of time, before breakdown then it is called preventive maintenance. It has goal to reduce breakdown of components. Unscheduled is not done at pre-defined time.

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