Walmart Maintenance Assessment Question and Answers 2

Question 1

A conveyor belt in the distribution area is making a grinding noise and moving slower than normal. What is the most likely cause?

Accepted Answer

A bearing is worn or lacking lubrication

Answer

Grinding noise with reduced speed typically indicates worn or dry bearings that need lubrication or replacement.

Question 2

What is the correct procedure before performing maintenance on an electrical panel?

Accepted Answer

Apply lockout/tagout procedures

Answer

Lockout/tagout (LOTO) is required before any electrical maintenance to prevent accidental energization.

Question 3

A walk-in cooler is not maintaining temperature and the compressor runs continuously. What should you check first?

Accepted Answer

Check the door gaskets and evaporator coils for ice buildup

Answer

Door gaskets allowing warm air in and frosted evaporator coils are the most common causes of cooling inefficiency.

Question 4

What type of fire extinguisher should be used on an electrical fire?

Accepted Answer

Class C (CO2 or dry chemical)

Answer

Class C extinguishers are rated for electrical fires and use non-conductive agents like CO2 or dry chemical.

Question 5

A fluorescent light fixture is flickering. Which component should you check first?

Accepted Answer

The ballast and starter

Answer

Flickering in fluorescent fixtures is most commonly caused by a failing ballast or worn starter.

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