Suppose that the introduction of a preventive maintenance program is deemed cost effective.Which of the following is most likely true if the cost to actually perform preventive maintenance is very expensive?
A)high standard deviation in MTBF
B)low standard deviation in MTBF
C)low cost to repair
D)Repairs carry little nonmonetary consequences.
E)The system never fails.

Question

Quizplus · Accepted Answer

If the cost to perform preventive maintenance is very expensive, it is likely that the system being maintained is important and complex, so it is expected that there will be a low standard deviation in MTBF (Mean Time Between Failures) which means the system is consistently reliable. A preventive maintenance program will further enhance the reliability of the system. Choice A, C, D, and E are not related to the cost of preventive maintenance.

Suppose That the Introduction of a Preventive Maintenance Program Is