Walmart Maintenance Assessment 2 — Questions and Answers
Question 1: A conveyor belt is slipping and squealing under load. What is the most likely cause?
- Improper belt tension (Correct answer)
- Too much lubricant on the motor
- A blown light bulb
- Low ceiling height
Correct answer: Improper belt tension
A slipping, squealing belt is typically caused by improper or loose tension.
Question 2: Which tool is best for measuring AC voltage at an outlet?
- Multimeter (Correct answer)
- Torque wrench
- Caliper
- Tape measure
Correct answer: Multimeter
A multimeter measures voltage, current, and resistance, including AC voltage.
Question 3: Before servicing electrical equipment, you should always:
- Lock out and tag out the power source (Correct answer)
- Speed up to finish faster
- Remove all guards permanently
- Wear sandals for comfort
Correct answer: Lock out and tag out the power source
Lockout/tagout ensures energy is isolated and prevents accidental startup during service.
Question 4: A motor bearing is running hot and noisy. The best first step is to:
- Inspect and lubricate or replace the bearing (Correct answer)
- Increase the motor speed
- Paint the housing
- Ignore it until it fails
Correct answer: Inspect and lubricate or replace the bearing
Hot, noisy bearings indicate wear or lack of lubrication and should be inspected promptly.
Question 5: What does PPE stand for in a maintenance setting?
- Personal Protective Equipment (Correct answer)
- Power Plant Engineering
- Preventive Parts Estimate
- Public Project Evaluation
Correct answer: Personal Protective Equipment
PPE refers to gear like gloves, glasses, and helmets that protect workers.
Question 6: Preventive maintenance is best described as:
- Scheduled servicing to prevent breakdowns (Correct answer)
- Repairing only after total failure
- Removing all machine guards
- Running equipment until it stops
Correct answer: Scheduled servicing to prevent breakdowns
Preventive maintenance is planned, routine servicing to avoid unexpected failures.
Question 7: A hydraulic system is losing pressure. A common cause is:
- A leak or worn seal (Correct answer)
- Too many warning labels
- Bright lighting
- A clean floor
Correct answer: A leak or worn seal
Pressure loss in hydraulics is frequently due to leaks or deteriorated seals.
Walmart Maintenance Assessment 2
A conveyor belt is slipping and squealing under load.
What is the most likely cause?