Question

What is the use of safety valve in a pressure cooker?

Answer 1

Pressure cooker:

1. The pressure cooker is used to cook faster as it raises the boiling point of water, up to ${120}^{0}C$.
2. A pressure cooker consists of a container and a lid.
3. The lid is provided with a rubber gasket, weight valve and a safety valve.
4. The use of safety valve in a pressure cooker is that if the steam pressure reaches dangerous level due to any reason, then the steam escapes through the safety valve.