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The pressure inside will be the same as what the atmospheric pressure was when the lid was closed as long as no heat is added or removed.

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Q: What is the pressure inside the pressure cooker when closed but no heating will it be equal to atmospheric pressure or not?
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What is the atmospheric pressure inside the pressure cooker?

The atmospheric pressure inside a pressure cooker can reach around 15 psi (pounds per square inch) above normal atmospheric pressure. This higher pressure increases the boiling point of water and allows for faster cooking times.


Why pressure cooker is closed system?

open system


Can you explain the gases in the pressure cooker?

By heating the pressure increase and again the temperature increase.


How food is cooked easily in pressure cooker?

During heating the pressure increase in the pressure cooker; as a consequence the temperature increase, the cooking is faster, part of energy saved, etc.


The instruction booklet for your pressure cooker indicates that its highest setting is 11.4 psi You know that standard atmospheric pressure is 14.7psi so the booklet must mean 11.4 psi above?

Yes, that's correct. Pressure cookers work by increasing the pressure above atmospheric pressure to cook food faster. In this case, the pressure cooker can increase the pressure inside to 11.4 psi above the standard atmospheric pressure of 14.7 psi.


What is the mass of a petcock on a pressure cooker were the atmospheric pressure is 100kpa cross sectional area 4mm2 and atmospheric pressure 101kpa?

To calculate the mass of the petcock on the pressure cooker, you would need more information such as the material it's made of, its shape, and any additional forces acting on it. The pressure difference between 100kPa and 101kPa alone is not sufficient to determine the mass of the petcock.


Why doeswater boil at a low boiling point on top of a mountain and a higher boiling point in a pressure cooker?

This is because the boiling point of any fluid increases as the pressure acting on it is increased. Atmospheric pressure on top of a mountain is lower than normal atmospheric pressure. Conversely, by not allowing steam to escape, the pressure above the water in a pressure cooker is allowed to build up to a much higher level.


Explain the principle of operation for the pressure cooker and the vacuum pan in cooking?

Pressure Cooker Operation In pressure cooker,the food is cooked in closed condition ,where,there is pressure valve ,here you are increasing the pressure inside the vessel hence ,pressure inside the pan will be greater than atmospheric pressure,hence the boiling point is reached in less time and cooking takes place faster. Vacuum Pan Here vacuum is opened or reducing the pressure where air inside is removed and hence the product is cooked at lower temperature .More u increase the vacuum,more reduction in pressure and hence longer time to cook ,


Why is it easier to cook in a pressure cooker?

The universal gas law states that (pressure * volume/temperature) of a gas is a constant. Hence, if the volume stays the same (as in a pressure cooker), the air in the cooker can increase in temperature beyond the boiling point of water as pressure builds up over the normal atmospheric pressure. A higher temperature means faster cooking. The above is a very simplistic view of the physics involved.


Which planet has pressure cooker nickname?

Venus is sometimes referred to as the "pressure cooker" planet due to its extremely high surface temperature and pressure. The greenhouse effect on Venus causes temperatures to soar to over 800 degrees Fahrenheit and atmospheric pressures to be about 90 times that of Earth.


The highest temperature reached inside the pressure cooker will depend upon the?

The highest temperature reached inside a pressure cooker will depend on the pressure level set for cooking. As pressure builds up, the boiling point of water increases, allowing food to cook at higher temperatures than under normal atmospheric conditions.


What is the Tamil word for pressure cooker?

Pressure Cooker= "azhutha sootadupu"