IFSAC Hazardous Materials (HAZMAT) Practice Exam

Pressure tank cars are designed specifically for the transportation of hazardous materials under pressure. One of the defining features of these tank cars is that they are capable of withstanding pressures greater than 25 PSI. This capability allows them to safely transport gases and liquids that must be maintained under pressure to prevent them from vaporizing or reacting negatively with the environment.

The ability to operate at higher pressures is crucial, as it enables the transportation of a variety of hazardous materials that need to remain in a liquid state during transit. This includes chemicals that could be flammable, corrosive, or toxic if released. Hence, the design and construction of pressure tank cars are oriented toward managing these elevated pressure levels safely.

Understanding this feature is essential for safety considerations in handling and transporting hazardous substances. Pressure rating is a critical part of ensuring that the car can handle the conditions it will face during transport, including potential impact and environmental changes.