At the temperatures required for Chinese cooking, these are of questionable safety, since most are rated around 500°F/260°C or less, and many times you may exceed or come close to that limitation (e.g., when heating the wok to “just smoking”). Choosing the Material for Your Wok Wh...
That’s what air conditioning does. There’s no way to “make cold air.” What we call “cold” is just the absence of heat. If you want to cool the air around you, the only way to do it is to remove heat. And the time-tested best way of doing it is through evaporation. How...
A halogen cooktop uses a halogen bulb to heat food instead of an electric coil or a gas flame. Its ease of use and ability to be quickly cleaned makes it a very popular kitchen stove option, but there are some things to consider before choosing it over a gas or electric cooktop. Seriou...
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(See technical addendum for notes about dB(A).) Some examples of noises in that decibel range are a gas-powered lawnmower, a busy freeway at 50 feet, a loud overhead pager (intercom), an electric lawn edger, and the noise inside an airplane. Eighty-five dB is the boundary in U.S...
Most electrical appliances are rated in watts. Does this rating depend on how long the appliance is on? (When off, it is a zerowatt device.) Explain in terms of the definition of power. Which one of the following best describes how a generator works? [{Blank}] It turns electrical energ...
The ideal humidity level inside your home is between 30 and 50 percent. This is the best range for your house, your health, and your comfort. In the summer, aim for a humidity level closer to 50 percent when running a dehumidifier, as attempting to keep humidity levels lower can lead to...
Now, since what produces the electric current is a magnetic field, the cookware you use for the induction stove needs to be made of a magnetic material, meaning either iron or iron-based (i.e. steel). The most obvious options include stainless steel, cast iron, and carbon steel. ...
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