What is the term for a violent failure of a pressurized tanker due to over-pressurizing?

• A. Explosion
• B. BLEVE
• C. Rupture
• D. Detonation

Answer: (B)

The term used to describe a violent failure of a pressurized tanker due to over-pressurizing is BLEVE, which stands for Boiling Liquid Expanding Vapor Explosion. This phenomenon occurs when the pressure inside a container, such as a pressurized tanker, exceeds its design limits, leading to a catastrophic failure.

When the internal pressure becomes too much, the structure of the tanker may fail explosively, releasing the contents at high velocity. The superheated liquid rapidly vaporizes, creating a large volume of gas and resulting in an explosion that can be devastating. Unlike a standard explosion, which can happen due to various causes (such as a chemical reaction), a BLEVE is specifically tied to the failure of pressurized vessels containing liquids, especially those that can vaporize rapidly upon exposure to atmospheric pressure.

In contrast to BLEVE, terms like explosion or detonation describe more generic explosive events that may not specifically relate to the mechanism of a pressurized container's failure. A rupture simply implies a breach or crack in the container but doesn't necessarily convey the explosive and violent nature of the event as a BLEVE does.