Polyplex QA Engineer Interview Questions and Answers

Preventive maintenance is a proactive approach to maintenance that aims to prevent equipment failure before it occurs.

• Regularly scheduled inspections and maintenance

• Replacing worn or damaged parts before they cause a breakdown

• Cleaning and lubricating equipment to prevent wear and tear

• Keeping accurate records of maintenance activities

• Examples: changing the oil in a car, replacing air filters in HVAC systems, inspecting

SAP PM module is used for managing maintenance activities of an organization.

• PM stands for Plant Maintenance

• It helps in planning and scheduling maintenance tasks

• Tracks equipment and maintenance history

• Provides cost analysis and reporting

• Integrates with other SAP modules like MM and FI

• Example: A manufacturing company can use SAP PM to schedule maintenance of their production equipment

I have handled various utilities equipments including generators, chillers, HVAC systems, and water treatment plants.

• Generators: responsible for maintenance and repair of diesel and gas generators

• Chillers: handled installation and maintenance of air-cooled and water-cooled chillers

• HVAC systems: managed repair and maintenance of heating, ventilation, and air conditioning systems

• Water treatment plants: responsible for op...read more

Bearings are used to reduce friction between two moving parts. There are several types of bearings.

• Plain bearings

• Rolling element bearings

• Jewel bearings

• Fluid bearings

• Magnetic bearings