The total maintenance curve (preventive maintenance cost plus breakdown and repair cost):
A) slopes up as the number of preventive maintenances increases.
B) slopes down as the number of preventive maintenances increases.
C) starts low, increases rapidly, and then drops back down as the number of preventive maintenances increases.
D) starts high, drops gradually, but then goes back up as the number of preventive maintenances increases.
E) remains relatively flat as the number of preventive maintenances increases.

Question

Quizplus · Accepted Answer

The total maintenance cost starts high due to frequent breakdowns and repairs, drops as preventive maintenance reduces breakdowns, but then increases again if preventive maintenance becomes excessive and costly.

The Total Maintenance Curve (Preventive Maintenance Cost Plus Breakdown and Repair