Electrical QC Inspector Interview Questions and Answers

UPS stands for Uninterruptible Power Supply. The main components in a UPS panel include batteries, rectifiers, inverters, and a control system.

• UPS stands for Uninterruptible Power Supply

• Main components in a UPS panel include batteries, rectifiers, inverters, and a control system

• Batteries are used to store power for backup

• Rectifiers convert AC power to DC power for charging the batteries

• Inverters convert DC power from batteries to AC power for output

• Control system manages the ...read more

A contactor is used for high current applications, while a relay is used for low current applications.

• Contactor is used for high current applications, relay is used for low current applications

• Contactor has larger physical size compared to relay

• Contactor has higher contact ratings compared to relay

• Examples: Contactor used in HVAC systems, relay used in control circuits

Software updates in different modules are necessary for ensuring optimal performance and functionality.

• Regular software updates are important for fixing bugs and security vulnerabilities

• Updates can also introduce new features and improve overall performance

• It is important to test updates thoroughly before implementing them in production

• Updates should be installed in a controlled environment to minimize risks

• Documentation should be maintained for all updates and changes made t...read more