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R&M are measured in?

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in Aircraft Design by (701k points)
R&M are measured in?

(a) Maintenance man-hours per flight hour

(b) Vulnerable area

(c) RCS of system

(d) Maintenance and research

The question was asked in semester exam.

My doubt is from Configuration Layout topic in division Configuration Layout Considerations of Aircraft Design

1 Answer

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Best answer
Correct choice is (a) Maintenance man-hours per flight hour

Explanation: Reliability and maintainability or R&M are often used together. It is measured in Maintenance man-hours per flight hour (MMH/FH). MMH/FH varies with the type of aircraft. For small aircraft, it is typically less than 1.

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