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Why use a revolving cowl on a chimney?
By turning with the wind, it prevents wind from blowing down the chimney.
Is it possible to stand on top of a hot air balloon?
No
How does Santa get in the house if there's no chimney?
Santa has a magic key so he can get into every house without a chimney
What is the top part of a hot air balloon called?
The entire balloon is called the Envelope and makes up the top part of the hot air balloon. The deflation Port is located at the very top of the envelope and allow the operator to release the hot air in the balloon to decrease the balloon's buoyancy and make it sink.
What is something interesting about hot air balloons?
Hot air balloons have a device at the top called a parachute to let the hot air out, controlling their decent.
A chimney top should be at least?
on top of the chimney?!
Why is air pressure at the top of a chimney less tan air pressure at the bottom?
Hot air rises
Why is the air pressure at the top of the chimney less than the pressure at the bottom?
Smoke rises up the chimney partly because hot air rises and partly because it is pushed wind blowing across the top of a chimney lowers the air pressure there the higher pressure at the bottom pushes air and smoke up the chimney
Why is air pressure at the top of a chimney less than air pressure at the bottom?
Smoke rises up the chimney partly because hot air rises and partly because it is pushed wind blowing across the top of a chimney lowers the air pressure there the higher pressure at the bottom pushes air and smoke up the chimney
Why is air pressure at the top of the chimney less than air pressure at the bottom?
Smoke rises up the chimney partly because hot air rises and partly because it is pushed wind blowing across the top of a chimney lowers the air pressure there the higher pressure at the bottom pushes air and smoke up the chimney
What a crown is to as Chimney is to house?
A head. A crown is placed on top of a head, and a chimney is placed on top of a house.
What is a chimney channel?
"Flue" is a channel for conveying hot steam or smoke (like in a chimney)
Why do the cornish tin mine chimney stacks have brick at the top half and not stone like the rest of the construction?
The top of the chimney was made from brick because this would heat up faster than stone, and if the top of the chimney is hotter than the rest of the chimney then the draught of air rising up the chimney would increase, therefore making the chimney more efficient.
What is a solar chimney?
a solar chimney is a black painted chimney that attatches to the side of a biulding, it must be taller than the building though. when the sun heats the chimney, the hot air rises drawing the cold air out from under the ground therefore ventialting the house and also cooling on hot days. to cool you can close the vents that the hot air escapes through and insert fans in the chimney and the hot air will be blown around the house.
Why chimney ladders used?
A chimney ladder is used so someone can access the top of the chimney. It is made so that someone can use a chimney broom and clean it.
What is the chimney thing on top of a steam train?
The chimney thingy is called a smoke stack.
Explain this phenomena when a fireplace smoke rises up the chimney faster when wind is blowing outside?
Bernoulli's principle - the pressure on the top of the chimney would decrease, due to the speed of the air.Bernoulli's principle - the pressure on the top of the chimney would decrease, due to the speed of the air.Bernoulli's principle - the pressure on the top of the chimney would decrease, due to the speed of the air.Bernoulli's principle - the pressure on the top of the chimney would decrease, due to the speed of the air.
