Question

what is a work of perssure cooker ?

Answer 1

Hey mate, here is your answer.; )

Pressure is created by boiling a liquid, such as water or broth, inside the closed pressure cooker. The trapped steam increases the internal pressure and allows the temperature to rise. After use, the pressure is slowly released so that the vessel can be opened safely.

HOPE it helps to you!!!

Answer 2

to increase pressure by making steam of the water added before. more steam increases pressure and more pressure leads to faster cooking