Electrical Systems Quiz

What is the basic function of a distribution system?

• To generate electricity

• To deliver power directly to the customer

• To store electricity

• To convert electricity to other forms of energy

List the four main elements of the electrical system.

• Generation, Transmission, Distribution, Substation

• Generation, Conversion, Distribution, Substation

• Generation, Transmission, Conversion, Substation

• Generation, Transmission, Distribution, Conversion

What is the main purpose of generating stations?

• To generate power as efficiently as possible

• To generate power as quickly as possible

• To generate power as cheaply as possible

• To generate power as safely as possible

At what voltage are distribution lines energized?

• 2KV-34,500KV

• 765 kV, 400 kV, 345 kV, or 230 kV

• 765 kV, 500 kV, 350 kV, or 230 kV

• 765 kV, 500 kV, 345 kV, or 240 kV

When would a DC transmission be used?

• When fewer lines are needed and long distances are involved.

• When more conductors are required.

• When short distances are involved.

• When AC is not available.

What type of structures can transmission structures be?

• Only tubular steel.

• Only lattice type steel.

• Tubular steel, wood, or lattice type steel.

• Only wood.

How many conductors per phase are commonly found in conductor bundles?

• 1-2 conductors.

• 2-4 conductors.

• 4-6 conductors.

• 6-8 conductors.

What is the function of arresters?

• To increase voltage.

• To protect lines and equipment by diverting lightning surges to the ground.

• To conduct electricity.

• To insulate conductors.

What is the primary function of the distribution system?

• Generate electricity

• Store electricity

• Distribute electricity at usable voltage levels

• Convert electricity to mechanical energy

What is a main line distribution circuit composed of?

• Two phases and a neutral

• Three phases and a neutral

• Four phases and a neutral

• One phase and a neutral