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 non-monetary consequences.
E) The system never fails.

Question

Quizplus · Accepted Answer

If the cost to actually perform preventive maintenance is very expensive, it is likely that the maintenance will be performed less frequently, resulting in a more consistent and predictable Mean Time Between Failures (MTBF). This would lead to a lower standard deviation in MTBF, making option B the best choice. The other options are not directly related to the cost of performing preventive maintenance.

Suppose That the Introduction of a Preventive Maintenance Program Is