Andhra Pradesh Power Generation Corporation Interview Questions and Answers

Circuit breakers are used to protect electrical circuits from damage caused by overload or short circuit. Relays are used to control circuits.

• Types of circuit breakers: air, oil, vacuum, SF6

• Types of relays: electromagnetic, thermal, static, differential

• Circuit breakers are rated by current and voltage levels

• Relays are used in power systems, automotive, and industrial applications

Thermal power plant layout refers to the arrangement of various components in a power plant.

• The layout includes the location of the power plant, the arrangement of boilers, turbines, generators, and other equipment.

• The layout also includes the placement of cooling towers, fuel storage, and ash handling systems.

• The layout is designed to optimize the efficiency of the power plant and ensure safe and reliable operation.

• Ex...read more

There are several types of power generation including fossil fuels, nuclear, hydroelectric, wind, solar, and geothermal.

• Fossil fuel power plants burn coal, oil, or natural gas to generate electricity.

• Nuclear power plants use nuclear reactions to generate heat, which is then used to produce steam and generate electricity.

• Hydroelectric power plants use the energy of falling water to generate electricity.

• Wind turbines con...read more