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Should an oven tray be placed over the gas flame at the rear of the oven?
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When heating a substance over a bunsen burner where should the object be placed for most efficient heating?
over a blue flame
What is the oven preheat temperature for broiling beef?
Broiling beef does not have to have the oven preheated first. Broiling entails a flame over the beef. As long as the flame is turned on ahead of time, the beef will cook.
Why are pans placed over a flame and not on the side of the flame?
Pans are placed over a flame and not on the side of the flame, because it is an energy transfer by direct contact called conduction. And as you can see, pans are usually made of metals, wherein metals are a good conductor of heat unlike wood, which is a poor conductor of heat.
Why are pans placed over a flame and not on the side of a flame?
Pans are placed over a flame and not on the side of the flame, because it is an energy transfer by direct contact called conduction. And as you can see, pans are usually made of metals, wherein metals are a good conductor of heat unlike wood, which is a poor conductor of heat.
What happens if potassium is sprayed over the flame?
If you were to spray potassium over a Bunsen burner flame it should emit a lilac/purple colored flame due to the presence of potassium ions.
What happens if sodium ion is sprayed over the flame?
If sodium was spray over a Bunsen burner flame you should observe a yellow-orange flame due to the presence of sodium ions.
Why does a balloon filled with air and no water pop when placed over a flame?
If a balloon is filled with water, it becomes less susceptible to being popped over a flame, because the water can absorb some of the heat. Otherwise, the flame will rapidly destroy the material of the balloon (rubber, latex).
What happens when a wire gauze mat is placed over the flame on a Bunsen burner?
This serves to spread out the point of application of the heat.
When a glass jar is placed over a lighted candle the flame goes out why does its happen?
A flame uses oxygen in order to burn. By placing a jar over it, it limits the oxygen causing the flame to burn out. That is one reason house fires are dangerous, because fire burn oxygen and we need oxygen to breathe
Why is a flame affected by holding something over it?
Flames need oxygen, a fuel source, and an ignition source to burn. When something is placed over the flame, the oxygen flow is interrupted, making the flame move. Also, fire can either be a mixture of gasses or a plasma (ionized gas). This gives it the ability to conform its shape to its environment, further enabling the flame to react when its oxygen source is tampered with.
Are ansul system required in a hood over a pizza oven with no open flame?
Under current Ansul design specifications, UL300 and NFPA 17A standards, there is no requirement if the pizza oven is fitted with a door. If the oven is open, even with no open flame, due to a build up of oils and greases from cheese and meats within the appliance, there is still the potential for these to ignite from the heat (as these natural oils could reach flashpoint) and therefore, would be considered as a high risk appliance and should be covered along with the hood and extract duct. This is the same for grills (Salamander Broilers).
When bathing an animal what should be placed over the eyes?
a cloth
