A water supply system has a mean time between failures of 270 and mean time to repair of 5.In this case,the availability is ______.
A)0.982
B)0.920
C)0.950
D)0.890

Question

Quizplus · Accepted Answer

The availability of a system can be calculated using the formula: Availability = MTBF / (MTBF + MTTR), where MTBF is the mean time between failures and MTTR is the mean time to repair. Plugging in the given values, Availability = 270 / (270 + 5) = 270 / 275 = 0.9818, which rounds to 0.982.

A Water Supply System Has a Mean Time Between Failures