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If a metal can is heated with the lid open and then the lid is replaced and the can is allowed to cool what would happen to the can and why?
If the lid formed a seal, it should sag from the outside pressure.
How should Harriet test the jar lid to determine if it is successful for its intended audience?
Harriet should ask several senior citizens to evaluate whether her jar lid design is easier to use than a traditional jar lid.
Opening a can of paint requires a screwdriver or other machine to pry open the lid. How does a screwdriver affect the force applied to opening the lid?
A screwdriver acts as a lever when prying open a can of paint, allowing the user to apply force more effectively. The long handle of the screwdriver increases the distance from the pivot point (the edge of the lid), which amplifies the force exerted on the lid. This mechanical advantage makes it easier to overcome the adhesive seal and lift the lid with less effort than using fingers alone.
What is the function of cans oppener?
A can opener is a tool designed to cut open metal cans, allowing access to the contents inside. It typically features a sharp blade that pierces the can's lid and a rotating mechanism that helps guide the blade around the edge of the lid. This ensures a clean and safe opening without leaving sharp edges. Some can openers are manual, while others are electric for added convenience.
Should the lid on an alcan foil tray be put on with white card side outside or inside?
The white card side of an aluminum foil tray lid should be placed on the inside. This orientation helps reflect heat back into the food, improving cooking and heating efficiency. Additionally, it prevents any potential contamination from the cardboard side coming into contact with the food.
Why should desiccator lid be left slightly 'cracked' during the cool-down period?
Leaving the desiccator lid slightly cracked during the cool-down period allows for the gradual equalization of pressure inside and outside the desiccator. This prevents the formation of a vacuum that could potentially disrupt or damage the samples inside. Additionally, it helps to avoid condensation by allowing moisture to escape, ensuring that the samples remain dry and unaffected by humidity.
Why is it best to use a desiccator for cooling of the crucible and lid after heating?
The purpose is to avoid absorption of water vapors, CO2, H2S, dust, etc.
What is difference between on lid and on the lid?
You may be confusing the translation of the word you are using to get "lid". Your question makes more sense if the translation is "edge". As in "someone being on-edge" and something being "on the edge". If a person is on edge, it means they are highly tense or nervous. If a person is on the edge, they are in a precarious position (such as an edge of a cliff) or in a state of keen excitement.
What is a Names for the edge of a jar?
A Lid. Because a jar does not have edges.
Why should you only lift one edge of the lid of the petri plate when carrying out a streak plate?
There is a lower chance of contamination from the air and the things surrounding it.
How can you remove ashtray on BMW 316 Compact?
pop up the lid, with the lid in the open position gently push down on the top edge of the lid that is facing you. The ashtray then pops up and you can then remove it, easy peasy.
How do you get a lid that is stuck on a tin can off?
Paint the gap round the edge of the lid with turpentine or kerosene and allow to stand. Firmly tap the top edge of the can with a hammer all the way round. Prize lid off a little at a time with the widest, flattest blade possible.
If a metal can is heated with the lid open and then the lid is replaced and the can is allowed to cool what would happen to the can and why?
If the lid formed a seal, it should sag from the outside pressure.
How do you remove a lid from a glass jar?
If you can not open a pot let the pot cool, if it is a pressure-cooker the rubber may be ruptured JUST LEAVE until completely cooled. If it is just a stuck lid you may be able to pry it off, with a knife. Just be sure to pry it off on a side of the pan so any steam that escapes will not hit your face or hands.
How can you open the lid of a sealed pot?
To open the lid of a sealed pot, try running the pot under hot water to create steam, which can help release the seal. You can also use a rubber glove or cloth to grip the lid tightly while twisting to break the seal. Alternatively, gently tap the edge of the lid with a spoon to loosen it.
Should a grand piano's lid be open or closed when it is miked?
I doesnt matter. You get more natural sound with the lid open with out a mic. If the lid is closed you can mike it from the underside.
How should Harriet test the jar lid to determine if it is successful for its intended audience?
Harriet should ask several senior citizens to evaluate whether her jar lid design is easier to use than a traditional jar lid.
