A machine has a mean time between failures of 514 hours and mean time to repair of 19 hours.In this case,the availability is ______.
A)96.4%
B)99.2%
C)81.7%
D)97.8%

Question

Quizplus · Accepted Answer

Availability is calculated using the formula: Availability = MTBF / (MTBF + MTTR), where MTBF is Mean Time Between Failures and MTTR is Mean Time To Repair. Substituting the given values, Availability = 514 / (514 + 19) = 514 / 533 ≈ 0.964, or 96.4%.

A Machine Has a Mean Time Between Failures of 514