WALMART MAINTENANCE Safety and Compliance 3 — Questions and Answers
Question 1: When using a lockout/tagout procedure, who is authorized to remove a lockout device?
- Any available supervisor
- Only the employee who installed it (Correct answer)
- The maintenance manager on duty
- Any trained maintenance technician
Correct answer: Only the employee who installed it
Only the employee who installed a lockout device is authorized to remove it, unless a specific authorized removal procedure is followed.
Question 2: Which class of fire extinguisher is appropriate for electrical equipment fires in a maintenance area?
- Class A
- Class B
- Class C (Correct answer)
- Class D
Correct answer: Class C
Class C extinguishers are designed for electrical fires and use non-conductive agents that won't conduct electricity back to the user.
Question 3: A maintenance technician notices a wet floor near a refrigeration unit. What is the FIRST action to take?
- Repair the refrigeration unit immediately
- Place wet floor signs and cordon off the area (Correct answer)
- Report it to HR
- Continue working and note it in the shift log
Correct answer: Place wet floor signs and cordon off the area
Immediately securing the hazard area with wet floor signs prevents slip-and-fall injuries while the repair is arranged.
Question 4: Under OSHA's Hazard Communication Standard, what must be posted or available for every chemical used in the facility?
- A purchase receipt
- A Safety Data Sheet (SDS) (Correct answer)
- An MSDS from before 2012
- A chemical inventory list only
Correct answer: A Safety Data Sheet (SDS)
OSHA's HazCom Standard (29 CFR 1910.1200) requires a current Safety Data Sheet for every hazardous chemical used in the workplace.
Question 5: What is the maximum weight a single employee should lift without mechanical assistance per general ergonomic guidelines?
- 25 lbs
- 35 lbs
- 50 lbs (Correct answer)
- 75 lbs
Correct answer: 50 lbs
NIOSH and general ergonomic guidelines recommend a 50 lb limit for single-employee lifts; anything heavier requires team lifting or mechanical aids.
Question 6: Which of the following is an example of a reportable OSHA recordable incident?
- A paper cut treated with an on-site bandage
- A sprained wrist requiring prescription medication (Correct answer)
- A headache treated with over-the-counter aspirin
- A minor burn cooled with water and no further treatment
Correct answer: A sprained wrist requiring prescription medication
An injury requiring prescription medication, medical treatment beyond first aid, or restricted work duty is OSHA recordable.
Question 7: In a confined space entry situation, what must be verified before a worker enters?
- The space has been painted recently
- Atmospheric testing shows safe oxygen and hazardous gas levels (Correct answer)
- A supervisor is watching from outside the entrance
- The work order has been signed by the store manager
Correct answer: Atmospheric testing shows safe oxygen and hazardous gas levels
Atmospheric testing for oxygen levels (19.5–23.5%), flammable gases, and toxic vapors must be completed and documented before any confined space entry.
When using a lockout/tagout procedure, who is authorized to remove a lockout device?