BHEL Electrical Engineer Interview Questions and Answers

I chose Electrical Engineering because of my passion for understanding and working with technology.

• Fascination with technology and how things work

• Interest in problem-solving and innovation

• Desire to contribute to advancements in the field

• Enjoyment of hands-on projects and experimentation

Electrical engineers work on a wide range of products including consumer electronics, power systems, communication devices, and more.

• Consumer electronics such as smartphones, laptops, and TVs

• Power systems including generators, transformers, and distribution systems

• Communication devices like routers, modems, and cell phones

Transformers, bushings, relays, and buck converters are all electrical components used in power systems.

• Transformers are devices that transfer electrical energy from one circuit to another through electromagnetic induction.

• Bushings are insulating structures that allow electrical conductors to pass through walls or barriers without allowing current to leak.

• Relays are switches that are operated electrically and used to c...read more

A transformer is an electrical device that transfers electrical energy from one circuit to another through electromagnetic induction.

• Transformers are used to increase or decrease the voltage of an alternating current (AC) power supply.

• They consist of two coils of wire, known as the primary and secondary coils, which are wrapped around a magnetic core.

• When an AC voltage is applied to the primary coil, it creates a magne...read more

Types of single phase motors include split-phase, capacitor start, shaded pole, and permanent split capacitor motors.

• Split-phase motor: commonly used in household appliances like fans and blowers

• Capacitor start motor: used in high starting torque applications like air compressors

• Shaded pole motor: used in small appliances like refrigerators and fans

• Permanent split capacitor motor: used in HVAC systems and pumps

Transfermars are devices used to transfer electrical power or signals from one circuit to another.

• Types include transformers, capacitors, inductors, and transmission lines

• Transformers transfer electrical power between circuits through electromagnetic induction

• Capacitors store and release electrical energy

• Inductors store energy in a magnetic field

• Transmission lines transfer electrical signals over long distances