The probability that a machine will run for a given amount of time without breakdown is called?

The probability that a machine will run for a specified duration without experiencing a breakdown is referred to as the reliability rate. Reliability is a critical concept in Six Sigma and process improvement as it relates to the consistency and dependability of equipment and systems. It is a measure of the likelihood that a machine will perform its intended function under predetermined conditions for a designated period.

Factors that contribute to reliability include the design of the machinery, manufacturing processes, and maintenance practices. In practical applications, high reliability indicates that a machine or system can be relied upon to operate without failure, which is essential for optimizing performance and minimizing downtime.

Understanding reliability is crucial for engineers and quality professionals, as it directly impacts overall system performance and customer satisfaction. This concept is distinct from availability, which relates to the proportion of time a system is operational and ready for use, and maintainability, which refers to the ease with which a machine can be maintained and repaired.

Thus, the term that accurately describes the probability of a machine running without breakdown over a specified time frame is the reliability rate.