Amazing gadgets - like a pressure cooker Cook works so fast?

When the potatoes are cooked in a pot, usually last 30 minutes to cook. But boil in a pressure cooker, and are ready in less than 10 minutes. Why?

When heat is applied to a pot with water, it begins to turn into steam. The bubbles are formed by the steam from the bottom to the surface. A temperature of 212 degrees Fahrenheit or 100 degrees Celsius is usually given as the boiling point of water, but really only when you are cooking at sea level. How do you go to a moreThe increase in atmospheric pressure (14.7 psi) falls, causing the boiling point of the waterfall. Additional cooking time is necessary. As the water reaches its boiling in a pot, no matter how much heat you can never add it all hot. Only turns into steam, which is why potatoes take longer to cook in an open pot.

Pressure Cooker

, But a pressure pot, a closed door, so that steam is produced when water is boiling in Building. As the pressure increases, so does the boiling pointof water. The firing temperature is increased so that the cooking time required to cook food. A typical modern pressure cooker with an additional pressure of about 15 psi, or about twice the atmospheric pressure. In this way, the water inside boils at about 252 degrees Celsius and is therefore food cooks faster

The pressure cooker has a pot-like base and a domed lid. A rubber seal between the two pressure-tight seal. In the center of the lid has an opening in the domea weighted pressure regulator is located. The weight of the valve seals, but increases the vapor pressure inside the control at 15 psi. A gentle rocking of the regulator indicates that proper cooking pressure is maintained from the heat source. In general, the high heat is applied, reducing the water begins to give into the pressure cooker and cook on a gentle rocking motion. Cook for as long as a map appears, or recipe. Bake for most products such as potatoes and carrotsis about 4-8 minutes.

Because of the high pressure and intense heat, it is very important to follow some precautions. Always add liquid under a pressure cooker to avoid overheating and melting of the stove. Always lock the lid in place. Always check that the cover lock, when heat is applied to surgery. Do not ever groped under pressure to open the lid. A safety valve solves the pressure when the regulator should not increase.

Amazing gadgets - like a pressure cooker Cook works so fast?

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