Electrical Systems Quiz

What is the primary function of generating stations?

• To store electrical energy

• To convert energy from coal, gas, steam, water, and atoms into electrical energy

• To distribute electrical energy

• To measure electrical energy

What do substations primarily do?

• Generate electricity

• Store electricity

• Change voltage of circuits and control the flow of power

• Measure electricity usage

What does the term "phase" refer to in electrical systems?

• A type of electrical generator

• A term for an energized conductor

• A method of storing electricity

• A type of electrical measurement

What is the purpose of a generation substation?

• To generate electricity

• To step voltage up and connect to the transmission system

• To store electricity

• To measure electricity usage

What is the function of transmission lines?

• To store electricity

• To move large quantities of power over long distances at high voltages

• To generate electricity

• To measure electricity usage

What is the role of a transmission substation?

• To generate electricity

• To tie transmission lines together or step voltage down

• To store electricity

• To measure electricity usage

What is the purpose of a sub-transmission substation?

• To step voltage up from distribution to transmission levels

• To step voltage down from transmission to sub-transmission levels

• To generate electricity

• To store electricity

At what voltage levels are sub-transmission circuits most commonly energized?

• 12.5kV, 24kV, 48kV

• 34.5kV, 44kV, 69kV

• 2kV, 5kV, 10kV

• 100kV, 200kV, 300kV

What is the function of distribution lines?

• To generate power

• To deliver power directly to the customer

• To store power

• To convert power to mechanical energy

What is the primary portion of a distribution power line?

• The low voltage portion

• The medium voltage portion

• The high voltage portion

• The underground portion