MMC Asset Management & Reliability 3

Question 1

In an FMEA, the Risk Priority Number (RPN) is calculated as:

Accepted Answer

Severity × Occurrence × Detection

Answer

RPN = Severity × Occurrence × Detection, providing a single numeric score to prioritize failure modes for corrective action.

Question 2

Which spare parts classification strategy designates parts that, if unavailable, would cause a production shutdown lasting more than 24 hours as the highest priority?

Accepted Answer

Critical, Essential, Desirable (CED) classification

Answer

CED (Critical, Essential, Desirable) classification ranks spare parts by the operational impact of their unavailability, placing production-stopping items in the Critical category.

Question 3

A facility uses oil analysis on a gearbox and finds a sudden increase in iron and silicon particles. What is the most likely conclusion?

Accepted Answer

Gear tooth wear accelerated by contamination ingress

Answer

High iron particles indicate gear or bearing wear, and elevated silicon typically signals dirt ingress through a compromised seal, together pointing to accelerated wear from contamination.

Question 4

The concept of 'hidden failure' in RCM refers to a failure that:

Accepted Answer

Is not evident to the operating crew under normal circumstances

Answer

A hidden failure is one that cannot be detected by the operating crew during normal operation, typically associated with protective devices like alarms or safety valves.

Question 5

Under ISO 14224, what is the primary purpose of collecting failure data in a standardized format?

Accepted Answer

Enable benchmarking and reliability analysis across industries

Answer

ISO 14224 standardizes failure data collection to allow meaningful benchmarking, reliability modeling, and analysis across different organizations and industries.

(MMC) Maintenance Management Certification Practice Test

(MMC) Maintenance Management Certification Practice Test

MMC Asset Management & Reliability 3