Comparison of Overhead and Underground Systems

What is a key advantage of overhead systems?

• Lower maintenance cost

• Improved weather resistance

• Longer lifespan

• Lower installation cost

Why are underground systems preferred in urban areas?

• Lower installation cost

• Easier fault detection

• Enhanced aesthetics

• Higher flexibility

Which system is more vulnerable to weather damage?

• Underground systems

• Overhead systems

• Both equally

• Neither

What is a major disadvantage of underground systems?

• High long-term maintenance

• High repair time and cost

• Poor safety

• Low reliability

Where are underground systems commonly used?

• Rural areas

• Forest reserves

• Desert regions

• High-density urban zones

What is the main concern with overhead systems in scenic landscapes?

• Noise pollution

• Visual impact

• High cost

• Low efficiency

Which system is safer during natural disasters?

• Overhead systems

• Underground systems

• Neither

• Both

What is a drawback of overhead lines?

• High initial costs

• Hard to expand

• Susceptible to physical damage

• Difficult to repair

What type of maintenance is easier for overhead systems?

• Fault detection and repairs

• Cable insulation

• Stormwater protection

• Long-term durability checks

Which system is preferred for long-distance transmission?

• Overhead systems

• Underground systems

• Both equally

• None of the above