Which of the following are not true for boiling liquid expanding vapour explosion (BLEVE)?, Singapore

Question 1.11

Which of the following are not true for boiling liquid expanding vapour explosion (BLEVE)?

1. This occurs when the temperature of the liquid and vapour within a confining vessel is raised to the point where the increasing internal pressure can no longer be contained.
2. A type of mechanical explosion.
3. BLEVE is always followed by a fire.
4. The liquid must be flammable.
5. Rupture of the confining vessel subjects the pressurized liquid to a sudden increase in pressure contributing to the overpressure and explosion.

• 1 and 2
• 3 and 4
• 1, 2 and 5
• 3, 4 and 5
• All of the above