How is MTBF related to FR(N)?
A) MTBF is measured in hours, while FR(N) is measured in years.
B) MTBF is normally distributed, with FR(%) as its mean and FR(N) as its standard deviation.
C) MTBF is the reciprocal of FR(N).
D) Both MTBF and FR(N) increase when breakdown maintenance is replaced by preventive maintenance.
E) MTBF and FR(N) are unrelated concepts.

Question

Quizplus · Accepted Answer

MTBF (Mean Time Between Failures) is the reciprocal of FR(N) (Failure Rate in Number of Failures). The higher the MTBF, the lower the FR(N), and vice versa.

How Is MTBF Related to FR(N)