Basic Wastewater Operator Practice Exam

Which part of a chlorine cylinder prevents explosion in the event of a fire by melting at high temperatures?

1. Mucus plug

2. Cork stopper

3. Fusible plug

4. Fire plug

The correct answer is: Fusible plug

The correct answer is the fusible plug. This is a safety device designed to prevent dangerous situations during the use of chlorine cylinders. In the event of a fire, the fusible plug is made from a material that melts at high temperatures. When it melts, it allows the gas to escape safely, rather than building up pressure which could lead to an explosion. This safety feature is crucial for handling hazardous materials like chlorine, as it helps to manage risks associated with heat and pressure during emergency situations. Understanding the role of the fusible plug is essential for those working with chlorine cylinders, as it is a key element in ensuring safe operations.