Transmission System Quiz

What is the main function of a substation in a transmission system?

• Generate power

• Reduce resistance

• Step up or step down voltage

• Store electricity

What type of tower supports conductors without changing their direction?

• Tension tower

• Angle tower

• Suspension tower

• Compression tower

Double circuit towers are designed to carry:

• Two voltage levels

• Two sets of conductors

• Two earth wires

• Single-phase power

Which voltage level tower typically uses ACSR DOG conductor?

• 220 kV

• 110 kV

• 66 kV

• 400 kV

The backbone of the transmission grid is formed by:

• Conductors

• Transformers

• Towers and lines

• Relays

Tension towers are mainly used at:

• River crossings

• Straight stretches

• Angle deviations

• Power stations

ACSR Moose conductor is typically used for:

• 220 kV

• 110 kV

• 66 kV

• 400 kV

HTLS conductors include:

• ACCC and ACSS

• ACSR and DOG

• WOLF and KUNDAH

• XLPE and PVC

What is the function of earth wire in transmission lines?

• Carry return current

• Provide communication

• Protect against lightning

• Act as insulator

Which conductor has a composite core?

• ACSR

• ACCC

• DOG

• WOLF