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Uses and functions of solar heater and solar cooker?

Functions of a solar heater


Why is ceramic a good material for making cooker hob?

Because it is a poor conductor of heat


What is 15 pounds pressure in autoclave?

Steam autoclave's work at 30 to 35 PSI, the previous answer of 15 PSI is for a pressure cooker. A pressure cooker cannot be used as an autoclave, the temperature is not high enough to cause sterilization. Anything less than 121C / 250F (30 PSI) is incapable of killing microorganisms. Also the pressure vesal of a pressure cooker cannot handle the added pressure needed to sterilize, IE: adding weight to the release valve will just cause the cooker to explode (so don't try it).


Why does a pressure cooker save cooking time and saves on fuel or electricity and what are the principles involved?

The boiling point of a liquid rises when it is subjected to high pressure. So, the food in a pressure cooker is exposed to water (or steam) at a higher temperature than in an open pan. The food, therefore, cooks quicker and so saves on fuel.A pressure cooker does not save cooling time. In fact, because the food is cooked at a higher temperature it has more cooling to do and that will take longer.


Why is a pressure cooker used to cook at higher altitudes?

The boiling point of a liquid goes down as the atmospheric pressure decreases. At sea level water boils at 100 degrees C. As you go up higher the air pressure decreases (because there's less air above you). In 'mile high' Denver, Colorado, water boils at about 95 degrees C. Cooking, like all chemical reactions happens more slowly as the temperature decreases. Thus anything you cook by boiling will take longer at high altitudes. In a pressure cooker the pressure is higher than it is outside, so the water boils at a higher temperature and cooking times are reduced. In fact you don't have to live at high altitudes to benefit from using a pressure cooker. Even at sea level they are useful, especially for reducing the time for slow dishes such as stews, which is convenient and saves fuel.

Related Questions

Can you take a portable induction cooktop in your carry on luggage on an airplane?

induction cooker airplane


Is an induction cooker safe to use during pregnancy?

Yes. It should be safe to use the induction cooker safe in pregnancy. But then retrospective study can be done to prove the same.


What makes a cooker hob?

A cooker hob is simpley the top of the cooker where pans are heated to cook food. Hobs can be gas, electric or induction. Makes of these are normally the main manufacturers.


What are the health hazzards of food cooked on induction cooker?

There are none- The induction heats the pan (PS- HAS TO BA A CERTAIN TYPE), not the food directly. There is as much harm in induction as there is in traditional hot-plate.


What technologyis used in the construction of a simple solar cooker?

solor


Is use of induction tops cheaper and safe?

the stove/cooker is more expensive but it is probably safer to use


Why aluminum vessels are not used in induction cooker?

Plain aluminum vessel are not suitable in an induction cooker because aluminum does not have magnetic properties. However, if the bottom of aluminum cookware has a magnetic layer added to it, then you can use it. Induction cooking, which relies on an electromagnet to heat a vessel, requires that the cooking vessel have ferromagnetic materials like cast iron and stainless steel.


How do you fix rice cooker?

My Rice cooker suddenly not working, can anybody support me how to fix or what i need to verify


How does an electric cooker use electromagnetic induction?

An electric cooker uses electromagnetic induction by passing an alternating current through a coil of wire in the cooktop. This creates an oscillating magnetic field, which induces an electric current in the cookware placed on top of the cooktop. The resistance in the cookware generates heat, which cooks the food.


What is the best basmati rice cooker available in the market?

The Zojirushi NP-HCC10XH Induction Heating System Rice Cooker Warmer is considered one of the best basmati rice cookers available in the market.


What induction cooker can cook with glass or pyrex pot?

No. Induction heat only works with pots or pans of iron or some sort of steel. A good rule of thumb is to test the pot with a magnet. If the magnet clings to the pot, that pot can be used for induction cooking.


Is a standard cooktop or an induction cooktop better?

An induction cooker uses induction heating for cooking. Unlike other forms of cooking, heat is generated directly in the pot or pan cooking vessel, as opposed to being generated in the stovetop by electrical coils or burning gas