Underground Cables Quiz

Where are underground cables used for transmission purposes?

• Urban areas

• Rural areas

• Forests

• Deserts

What is the function of the conductors in underground cables?

• To carry electric power

• To block electric power

• To store electric power

• To reflect electric power

What is the main reason for using insulating material in underground cables?

• To prevent electric shock

• To make it heavier

• To make it colorful

• To make it longer

What happens if there is no protecting cover on an underground cable?

• The conductors might get damaged

• The cable will be lighter

• The cable will be cheaper

• The cable will be longer

What should underground cables avoid causing?

• A voltage drop more than the permissible limits

• A temperature rise more than the permissible limits

• A noise level more than the permissible limits

• A light emission more than the permissible limits

What does mechanical protection help cables do?

• Withstand rough use

• Change color

• Become lighter

• Stretch longer

What does the underground system ensure apart from its advantages?

• Discontinuity of supply

• Non-interrupted continuity of supply

• Intermittent supply

• No supply

Which of these is a natural disaster that can affect underground cables?

• Earthquake

• Sunshine

• Wind

• Snowfall

What can cause damage to underground cables during a storm?

• Lightning

• Sunlight

• Wind

• Snow

What type of damage can occur to underground cables due to heavy rain?

• Flooding

• Sunlight

• Wind

• Snow