Question

What is the principal of working of a pressure cooker

Answer 1

A pressure cooker works on a simpleprinciple: Steam pressure. A sealed pot, with a lot of steam inside, builds up highpressure, which helps food cook faster. It was invented in the 1600s by a Frenchman by Denis Papin, who wanted to translate new discoveries in physics about pressure and steam into cooking.

Answer 2

if we use pressure cooker at mountains area than then the food is cook fast than ground state bcoz in mountain the atmospheric pressure is low