CMRT Corrective Maintenance 2

Question 1

What does RCFA stand for in maintenance terminology?

Accepted Answer

Root Cause Failure Analysis

Answer

Rapid Corrective Failure Assessment

Answer

Reliability Centered Fault Analysis

Answer

Recurring Component Failure Audit

Question 2

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

Accepted Answer

Identify potential causes contributing to a failure

Answer

Schedule preventive maintenance tasks

Answer

Calculate equipment replacement cost

Answer

Track work order completion rates

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

Exactly five answers have been documented

Answer

The cost of the failure is determined

Answer

Management approves continuation of the investigation

Question 4

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

Accepted Answer

Wear-out failure

Answer

Infant mortality failure

Answer

Random failure

Answer

Step failure

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

Notify the accounting department of repair costs

Answer

Order replacement spare parts for the stockroom

Answer

Update the preventive maintenance schedule

Question 6

Mean Time to Repair (MTTR) is correctly calculated by:

Accepted Answer

Dividing total repair time by the number of repairs performed

Answer

Dividing total uptime by total number of failures

Answer

Multiplying mean time between failures by repair rate

Answer

Subtracting downtime from total operating hours

Question 7

A recurring bearing failure on a conveyor drive is BEST addressed by:

Accepted Answer

Investigating root causes such as lubrication adequacy, alignment, or overloading

Answer

Stocking more replacement bearings to speed up future repairs

Answer

Increasing the frequency of corrective maintenance visits

Answer

Replacing the entire conveyor with a newer model