Electrical Service Engineer Interview Questions and Answers

Normal PN junction diode allows current to flow only in one direction, while Zener diode allows current to flow in both directions and also conducts in reverse bias at a specific voltage.

• PN junction diode allows current to flow only in one direction, while Zener diode allows current to flow in both directions.

• Zener diode has a specific breakdown voltage at which it starts conducting in reverse bias, while PN junction diode does not have this characteristic.

• Zener diodes are de...read more

I have extensive experience in cable fault detection and cable checking.

• I have successfully diagnosed and repaired various cable faults in my previous roles.

• I am proficient in using cable fault locators and other testing equipment.

• I have conducted regular cable checks to ensure proper functioning and identify potential issues.

• I have experience in troubleshooting and resolving cable-related problems in both residential and industrial settings.

• I have knowledge of different cabl...read more

Maintenance of electrical machines and harness is crucial for their optimal performance and longevity.

• Regular cleaning and inspection of machines and harness

• Replacing worn-out or damaged parts

• Lubrication of moving parts

• Testing and calibration of electrical components

• Following manufacturer's guidelines for maintenance

• Keeping records of maintenance activities

• Training personnel on proper maintenance procedures

To check panel wiring, visually inspect the wiring connections, use a multimeter to test for continuity and voltage, and verify proper labeling and documentation.

• Visually inspect the wiring connections for any loose or damaged wires.

• Use a multimeter to test for continuity by checking if there is a complete path for the electrical current.

• Test for voltage by measuring the potential difference between different points in the panel.

• Verify that the panel is properly labeled and d...read more