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 maintenanceThis question was addressed to me in an internship interview.The query is from Configuration Layout in portion Configuration Layout Considerations of Aircraft Design

What is preventive maintenance?(a) Maintenance done before breakdown o

1.	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 maintenanceThis question was addressed to me in an internship interview.The query is from Configuration Layout in portion Configuration Layout Considerations of Aircraft Design
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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