Western Refrigeration Project & Maintenance Engineer Interview Questions and Answers

A rectifier is an electrical device that converts alternating current (AC) to direct current (DC).

• Converts AC to DC

• Used in power supplies and electronic devices

• Types include half-wave, full-wave, and bridge rectifiers

• Diodes are commonly used in rectifiers

To convert AC current to DC current, a rectifier is used to change the direction of current flow.

• Use a rectifier to change the direction of current flow from alternating to direct

• Rectifiers can be half-wave or full-wave depending on the application

• Examples of rectifiers include diode rectifiers and bridge rectifiers

VCB stands for Vacuum Circuit Breaker, a type of circuit breaker that uses vacuum as the arc quenching medium.

• VCB is used to interrupt fault currents in electrical systems.

• Maintenance of VCB involves regular inspection of contacts, insulation resistance testing, and lubrication of moving parts.

• Cleaning of VCB contacts is essential to ensure proper operation and prevent arcing.

• Regular testing of VCB's operating mechanis...read more

The HR is requesting a 30% salary increase.

• Discuss the reasons why you believe you deserve a 30% raise based on your performance and contributions to the company.

• Provide examples of successful projects you have completed or improvements you have made that justify the salary increase.

• Highlight any additional skills or certifications you have obtained since your last salary review that make you more valuable to the compa...read more