WALMART MAINTENANCE Preventive Maintenance — Questions and Answers
Question 1: What is preventive maintenance?
- Fixing equipment only when it breaks
- Scheduled maintenance activities performed to prevent equipment failures before they occur (Correct answer)
- Replacing all equipment annually
- Maintenance performed after a customer complaint
Correct answer: Scheduled maintenance activities performed to prevent equipment failures before they occur
Preventive maintenance involves scheduled inspections, servicing, and repairs performed on a regular basis to keep equipment running and prevent unexpected breakdowns.
Question 2: What is a CMMS used for in maintenance operations?
- Customer Management Marketing System
- Computerized Maintenance Management System for tracking work orders, assets, and maintenance schedules (Correct answer)
- Central Merchandise Movement System
- Certified Maintenance Manager Scheduling
Correct answer: Computerized Maintenance Management System for tracking work orders, assets, and maintenance schedules
A CMMS is software that helps maintenance departments track work orders, schedule preventive maintenance, manage spare parts inventory, and maintain equipment records.
Question 3: What is the typical lifecycle of a commercial rooftop HVAC unit?
- 5 years
- 10-15 years
- 15-20 years (Correct answer)
- 30+ years
Correct answer: 15-20 years
Commercial rooftop HVAC units typically last 15-20 years with proper maintenance. Units approaching this age should be evaluated for replacement planning.
Question 4: What should be checked during a quarterly parking lot inspection?
- Only the painted lines
- Pavement condition, drainage, lighting, signage, cart corrals, and ADA compliance (Correct answer)
- Only the landscaping
- Nothing, parking lots do not need maintenance
Correct answer: Pavement condition, drainage, lighting, signage, cart corrals, and ADA compliance
Quarterly inspections should cover all aspects of the parking lot including surface condition, proper drainage, functioning lights, clear signage, and ADA accessibility.
Question 5: What is the benefit of maintaining a maintenance log for each piece of equipment?
- It creates unnecessary paperwork
- It tracks maintenance history, identifies patterns, helps predict failures, and supports warranty claims (Correct answer)
- It is only useful for auditors
- It slows down maintenance work
Correct answer: It tracks maintenance history, identifies patterns, helps predict failures, and supports warranty claims
Maintenance logs provide valuable data for predicting equipment failures, optimizing maintenance schedules, justifying replacement decisions, and supporting warranty claims.
Question 6: What is the recommended frequency for testing emergency exit lighting and signs?
- Annually
- Monthly visual inspection with annual 90-minute battery test (Correct answer)
- Every 5 years
- Only after power outages
Correct answer: Monthly visual inspection with annual 90-minute battery test
Emergency lighting requires monthly 30-second functional tests and an annual 90-minute full battery discharge test to ensure proper operation during actual emergencies.
What is preventive maintenance?