BHEL Electrical Maintenance Technician Interview Questions and Answers

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

Renewable energy sources are sources of energy that are replenished naturally, such as sunlight, wind, and water.

• Solar energy: harnessing sunlight to generate electricity

• Wind energy: using wind turbines to convert wind into electricity

• Hydropower: generating electricity from flowing water in rivers or dams

• Biomass: using organic materials like wood or agricultural waste to produce energy

• Geothermal energy: tapping into he