What three major sub-assemblies are associated with a transformer that must be considered when a fault occurs?

• Magnetic circuits, Electrical circuits, Cooling systems

• Magnetic circuits, Electrical circuits, Insulation systems

• Electrical circuit, Cooling systems, Insulation systems

• Magnetic circuits, Insulation systems, Cooling systems

What device is installed to monitor and indicate the discharge of gases in a transformer?

• Thermocouple

• Pressure gauge

• Buchholz relay

• Voltmeter

What does Buchholz Relays monitor and indicate?

• Temperature changes

• Discharge gases

• Voltage fluctuations

• Current overloads

Which of the following is a renewable source of energy?

• Diesel

• Natural Gas

• Wind

• Nuclear

All the following are conventional ways of generating electricity except,

• Hydroelectric plant

• Wind farm

• Nuclear plant

• Gas plant

The following are among the parts of power system except

• Generation

• Fuse

• Transmission

• Distribution

The following are found in Hydroelectric generating plant except

• Dam

• Turbine

• Generator

• Boiler

The geothermal power plant uses ……….. to generate electricity.

• Earth’s crust heat

• Coal

• Natural gas

• Uranium

• Water

Which of the following components may be part of a transformer’s cooling system?

• Radiators

• Generators

• Transformers

• Circuit Breakers

Which of the following is NOT a factor that can affect the cooling system of a transformer?

• Seized bearing in the fan and pump motors

• Blocked cooling coils in water-cooled transformers

• Properly set valves

• Malfunction of temperature sensing devices