1. What is the purpose of a geotechnical investigation in civil engineering?
To determine the soil and rock properties of a site for design and construction purposes.
- Source: American Society of Civil Engineers (ASCE)
2. What is the difference between reinforced concrete and prestressed concrete?
Reinforced concrete has steel bars embedded within it to resist tension, while prestressed concrete has steel cables or tendons that are pre-tensioned before the concrete is poured to resist tension.
- Source: The Constructor
3. What is the role of a civil engineer in the construction of a bridge?
To design the bridge's structure, foundation, and support systems, as well as oversee its construction and ensure it meets safety and regulatory standards.
- Source: National Society of Professional Engineers (NSPE)