Pressure Cookers

Many dried beans must be soaked overnight in cold water prior to cooking. After soaking, the beans can be cooked in boiling water. If the beans fall apart, you are cooking them too long.

Absolutely and it's delicious. Timing depends on the size/type of pressure cooker you have, whether you cook it with vegetables, etc.

Check the booklet that came with your cooker and time accordingly for any cut of beef roast, then adjust for weight and any "extras".

Pour the dough into it and heat.

It could be one of three things.

First, check that the rubber ring around the top is still flexible and provides a good seal. Depending on the model, you may be able to remove it and wash it, and underneath where it is fitted.

Second, make sure that the pressure valve is clean. On most models you can just pop it off by tugging with a little force. Clean the valve and where it was attached with warm sudsy water and if they are clogged take the stuff out with a toothpick or soak it for a few hours in a 50% vinegar/water solution.

Third, see that the rubber/silicone pressure valve is in the correct position. In three years I have not needed to adjust mine but kids, cooking and cleaning can lightly dislodge it.

Presto parts seem to work pretty well. I've had mine since the 70's and always been able to find parts with them. Good luck.

My mother and I have canned meat for years. It is wonderful! You just put the cubed meat in your jars, add water and salt (about a teaspoon per quart). Leave enough headspace when you put the lids on. Then pressure can for 90 minutes at 10 pounds pressure for quarts and 75 minutes at 10 pounds pressure for pints.

because there is very little air pressure up that high in the atmosphere.

There are step-by-step photographed instructions for cooking risotto in the pressure cooker here:

http://hippressurecooking.blogspot.com/2010/07/risotto-in-7-minutes.html

Enjoy!

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

Boiler have minimum pressure 28 bar as per. Indian boiler act.so p c xan not call a boiler

An 8-quart pressure cooker can make approximately 16 pints of food.

Most contemporary pressure cookers demand that the user "twist" the top to open it. One will need to push the two handles "apart" to disengage the locking flanges built into the lid and the rim of the pot. If the unit hasn't been opened in a while, the rubber gasket may cause the top to stick. Some "coaxing" may be required to separate the two pieces. Usually most units work by turning the top counterclockwise (looking down on the unit) to get the thing open. Be sure to check the gasket for cracks and tears before each use. Failure of the gasket can make a mess in the kitchen - and that's if it doesn't burn anyone by throwing very hot food and steam or superheated water on them. Good luck with this one.

That they actually live In a pressure cooker that cooks meat.

Stainless steel; because it is non-reactive, durable, and can be used on any and all heat sources.

The answer would depend on the pressure attained by the cooker.

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Plugs for appliances rated between about 700 watts and 3000 watts (the maximum rating of a wall socket) should be fitted with a 13-amp fuse (coloured brown).

Increasing the air pressure in the pot will raise the boiling point of water. This is because with increased pressure, water molecules require more energy to overcome the higher pressure and vaporize, leading to a higher boiling point than at normal atmospheric pressure.

I don't have an exact year but I called the National Presto Co. and they said that they were made in the '40's. Also if you need any testing, repairs, parts, conversion kits or ANYTHING related to the No.7 and other National Pressure Cookers you can contact them at:

National Presto Industries

3925 N. Hastings

Eau Claire WI, 54703-2209

1-800-877-0441

National Presto does sell replacement parts through an authorized Amazon dealer. You can use their website (gopresto.com) to search by appliance/size (2.5 qt to 8 qt) to find the part that's specific for your pressure cooker. If available, the link will take you directly to the Amazon retailer.

Pressure cookers work because when you increase pressure, water boils at a higher temperature. Water normally boils at 212 degrees F. Under 15psi of pressure (standard in a pressure cooker), it boils at 257 degrees F. Since your food is cooking at a higher temperature, it will cook faster.

Yes most, if not all, electric pressure cookers run on a timer. This allows you to cook overnight or while you are at work during the day. Of course, this does not apply to stovetop models, which rely on an external heat source.

You can cook just about any kind of food in any sort of cookware as long as you have the experience. You can google for a lot of results on what is best cooked in a pressure cooker.