Which of the following types of maintenance accounts for as much as 70% of all maintenance activity?
A) Preventive maintenance
B) Corrective maintenance
C) Adaptive maintenance
D) Perfective maintenance
E) Internal maintenance

Question

Quizplus · Accepted Answer

Corrective maintenance involves fixing problems or failures that occur in the system or equipment, and it is the most common type of maintenance performed. Preventive maintenance is done to prevent potential problems from occurring and usually accounts for 20-30% of maintenance activity. Adaptive maintenance is done when the system or equipment needs to be modified to adapt to changes, and it is not as common as corrective maintenance. Perfective maintenance involves making improvements or enhancements to the system or equipment and is not as common as corrective maintenance. Internal maintenance is not a recognized type of maintenance.

Which of the Following Types of Maintenance Accounts for as Much