CMRT Corrective Maintenance 2

Question 1

What does RCFA stand for in maintenance terminology?

Accepted Answer

Root Cause Failure Analysis

Answer

RCFA stands for Root Cause Failure Analysis, a structured process used to identify the underlying cause of an equipment failure.

Question 2

The Ishikawa (fishbone) diagram is used in corrective maintenance primarily to:

Accepted Answer

Identify potential causes contributing to a failure

Answer

The Ishikawa diagram visually maps categories of potential causes (man, machine, method, material, environment) that may contribute to a specific failure effect.

Question 3

When conducting a 5-Why analysis, the analyst should continue asking 'why' until:

Accepted Answer

A physical or latent root cause is identified

Answer

The 5-Why technique stops when the team reaches a root cause—a physical or systemic factor that, if corrected, prevents recurrence.

Question 4

Which failure pattern describes equipment that begins failing more frequently after many years of reliable service?

Accepted Answer

Wear-out failure

Answer

Wear-out failure occurs when accumulated fatigue, corrosion, or material degradation causes the failure rate to increase as the equipment ages.

Question 5

After completing a corrective repair, the technician's FIRST action before releasing the equipment should be to:

Accepted Answer

Verify repair effectiveness through a functional test

Answer

Functional testing confirms the repair resolved the problem and that the equipment operates within design specifications before it is returned to service.

(CMRT) Certified Maintenance and Reliability Technician Practice Test

(CMRT) Certified Maintenance and Reliability Technician Practice Test

CMRT Corrective Maintenance 2