CMRT Corrective Maintenance Procedures 2

Question 1

When a centrifugal pump loses prime during operation, what is the FIRST corrective action a technician should take?

Accepted Answer

Check suction line for air leaks or blockages

Answer

Increase motor speed immediately

Answer

Replace the mechanical seal

Answer

Disassemble the pump volute

Question 2

During corrective maintenance, a technician discovers the actual failure mode differs from the reported symptom. What is the correct next step?

Accepted Answer

Update the work order to reflect the true failure and scope change

Answer

Continue with the original work order scope only

Answer

Ignore the discrepancy and complete the repair

Answer

Immediately escalate to management without documenting

Question 3

A technician is replacing a failed V-belt drive. Which measurement is MOST critical to verify before returning the equipment to service?

Accepted Answer

Belt tension and sheave alignment

Answer

Belt color and brand

Answer

Number of belt strands only

Answer

Belt length measured loosely

Question 4

What does 'Mean Time To Repair' (MTTR) measure in a corrective maintenance program?

Accepted Answer

The average time required to restore failed equipment to operational status

Answer

The interval between scheduled overhauls

Answer

The total lifecycle cost of a repair

Answer

The number of repairs per calendar year

Question 5

When performing corrective maintenance on a gearbox, technicians find metal particles in the oil. What is the BEST initial diagnostic step?

Accepted Answer

Perform oil analysis and inspect a magnetic drain plug sample to identify particle type

Answer

Drain the oil and refill immediately

Answer

Weld-repair any visible cracks on the housing

Answer

Increase the operating speed to flush particles

Question 6

A rotating shaft shows 0.012 inches of radial runout when measured with a dial indicator. Per standard corrective maintenance practice, this reading should be:

Accepted Answer

Compared against the equipment manufacturer's acceptable tolerance specification

Answer

Accepted as normal for all shaft sizes

Answer

Automatically flagged as a shaft replacement requirement

Answer

Recorded only if the shaft is over 2 inches in diameter

Question 7

During corrective maintenance, an unexpected energized circuit is discovered that was not shown on the equipment's electrical drawing. The correct action is to:

Accepted Answer

Stop work, re-apply energy control, and update the lockout/tagout procedure before continuing

Answer

Quickly disconnect it and continue the repair

Answer

Cover it with electrical tape and proceed

Answer

Ask a coworker to hold the wire while you work