HAZMAT Ops Practice Test

Sphere storage tanks are classified as pressure tanks. This classification is due to their design, which is intended to withstand high internal pressures associated with storing gases or liquids. The spherical shape is not only efficient in minimizing the surface area for a given volume but also allows the tank to effectively contain materials at elevated pressures without failing.

Pressure tanks, such as sphere storage tanks, require specific engineering measures, safety protocols, and adherence to regulations to manage the risks associated with storing hazardous materials under pressure. This makes them distinct from atmospheric tanks, which operate at ambient pressure, vacuum tanks, which are designed to hold materials at pressures below atmospheric pressure, and open top tanks, which are exposed to the atmosphere and not intended for pressurized storage. Understanding this classification is vital for ensuring proper handling, safety measures, and compliance with relevant regulations in hazardous material operations.