Maintenance Assessment Question and Answers Flashcards

A pallet jack is not lifting loads to full height. What is the most likely issue?

Answer: The hydraulic fluid is low or there is an air leak in the system

Insufficient lift height in a pallet jack typically indicates low hydraulic fluid or an air leak in the hydraulic system.

What is the correct torque pattern when tightening bolts on a flange?

Answer: Star or cross pattern, gradually increasing torque

A star/cross pattern with gradual torque increase ensures even pressure distribution and prevents warping.

A three-phase motor is running but producing less power than rated. One phase shows significantly lower amperage than the other two. What does this indicate?

Answer: A single-phasing condition requiring immediate attention

Unbalanced amperage readings across phases indicate a single-phasing condition that can damage the motor.

What personal protective equipment is required when using a bench grinder?

Answer: Safety glasses or face shield, with the tool rest properly adjusted

Eye protection is essential due to flying sparks and debris, and the tool rest must be within 1/8 inch of the wheel.

The emergency lighting in a section of the store fails to activate during a power outage test. What should you inspect?

Answer: The battery backup units and transfer switch for that circuit

Emergency lighting relies on battery backup units that activate when normal power is lost. Failed batteries or a faulty transfer switch are the most common causes.

You are tasked with replacing a section of damaged vinyl composite tile flooring. What is the correct sequence?

Answer: Heat and remove damaged tile, clean adhesive, apply new adhesive, set new tile, and roll

Proper VCT replacement requires removing the damaged tile, preparing the substrate, and properly adhering the new tile.