Electronics Maintenance Engineer Interview Questions and Answers

An induction motor is an AC electric motor in which power is supplied to the rotor by electromagnetic induction.

• An induction motor is commonly used in various applications such as industrial machinery, appliances, and electric vehicles.

• It operates on the principle of electromagnetic induction, where a rotating magnetic field is created by the stator winding.

• The rotating magnetic field induces currents in the rotor, which in turn creates a torque that drives the motor.

• Inductio...read more

Copper is a conductor of electricity.

• Copper is a commonly used conductor in electrical wiring

• Other examples of conductors include silver, gold, and aluminum

• Conductors allow the flow of electric current through them

A step-down transformer has a single winding.

• Step-down transformer has a single primary winding and multiple secondary windings

• It reduces the voltage from the primary winding to the secondary winding

• Example: A 120V to 12V transformer

An automatic generator is a backup power source that starts automatically when the main power supply fails.

• It is designed to provide uninterrupted power supply during power outages.

• It can be used in homes, hospitals, data centers, and other critical facilities.

• It is equipped with sensors that detect power failures and automatically start the generator.

• It can be fueled by diesel, natural gas, or propane.

• It requires regular maintenance to ensure proper functioning.