CMRP Questions and Answers with Verified Solutions | Latest 2026
Update
Q: Mean Time To Repair or Replace (MTTR)
Answer:
the average time needed to restore an asset to its
full operational capabilities after a failure, a measure of asset maintainability, usually
expressed
as the probability that a machine can be restored to its specified operable condition
within a
specified interval of time, regardless of whether an asset is repaired or replaced
Q: Mean Time To Repair or Replace (MTTR) Formula
Answer:
MTTR = Total repair or replacement time
(hours) ÷ Number of repair/replacement events
,CMRP Questions and Answers with Verified Solutions | Latest 2026
Update
Q: Repair/Replacement Event
Answer:
The act of restoring the function of an asset after failure or
imminent failure by repairing or replacing the asset.
Failure
When
Q: Failure
Answer:
When an asset is unable to perform its required function. This excludes proactive
work.
,CMRP Questions and Answers with Verified Solutions | Latest 2026
Update
Q: Mean Time Between Maintenance (MTBM)
Answer:
The metric is the average length of operating
time between one maintenance action and another maintenance action for an asset or
component. This metric is applied only for maintenance actions which require or
result in
function interruption.
Q: Mean Time Between Maintenance (MTBM) Formula
Answer:
Mean Time Between Maintenance
(MTBM) = Operating Time (hours) / Number of Maintenance Actions
, CMRP Questions and Answers with Verified Solutions | Latest 2026
Update
Q: Maintenance Action
Answer:
One or more tasks necessary to retain an item in or restore it to a
specified operating condition. A maintenance action includes corrective, as well as
preventative
and predictive maintenance tasks that interrupt the asset function.
Q: Mean Downtime (MDT)
Answer:
The metric is the average downtime required to restore an asset or
component to its full operational capabilities. MDT includes the time from failure to
restoration
of an asset or component.
Q: Mean Downtime (MDT) Formula
Answer:
= Total Downtime (hours) ÷ Number of Downtime Events
Update
Q: Mean Time To Repair or Replace (MTTR)
Answer:
the average time needed to restore an asset to its
full operational capabilities after a failure, a measure of asset maintainability, usually
expressed
as the probability that a machine can be restored to its specified operable condition
within a
specified interval of time, regardless of whether an asset is repaired or replaced
Q: Mean Time To Repair or Replace (MTTR) Formula
Answer:
MTTR = Total repair or replacement time
(hours) ÷ Number of repair/replacement events
,CMRP Questions and Answers with Verified Solutions | Latest 2026
Update
Q: Repair/Replacement Event
Answer:
The act of restoring the function of an asset after failure or
imminent failure by repairing or replacing the asset.
Failure
When
Q: Failure
Answer:
When an asset is unable to perform its required function. This excludes proactive
work.
,CMRP Questions and Answers with Verified Solutions | Latest 2026
Update
Q: Mean Time Between Maintenance (MTBM)
Answer:
The metric is the average length of operating
time between one maintenance action and another maintenance action for an asset or
component. This metric is applied only for maintenance actions which require or
result in
function interruption.
Q: Mean Time Between Maintenance (MTBM) Formula
Answer:
Mean Time Between Maintenance
(MTBM) = Operating Time (hours) / Number of Maintenance Actions
, CMRP Questions and Answers with Verified Solutions | Latest 2026
Update
Q: Maintenance Action
Answer:
One or more tasks necessary to retain an item in or restore it to a
specified operating condition. A maintenance action includes corrective, as well as
preventative
and predictive maintenance tasks that interrupt the asset function.
Q: Mean Downtime (MDT)
Answer:
The metric is the average downtime required to restore an asset or
component to its full operational capabilities. MDT includes the time from failure to
restoration
of an asset or component.
Q: Mean Downtime (MDT) Formula
Answer:
= Total Downtime (hours) ÷ Number of Downtime Events
