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When a fan is switched on inside a closed room will the air inside be cooled?
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Fans can make a room cooler by circulating the air, but can also help circulate warm air, especially in the winter months. If it's a ceiling fan, putting the fan blades in reverse will push the warm down.
Wiki User
∙ 15y ago
Wiki User
∙ 12y agoUnless there is a separate heat sink in the room (like a puddle of water that can evaporate or a block of ice that can melt) moving air around in a room does not cool the room. In fact, turning on a fan in a closed room will tend to warm it up as the heat from the motor is dissipated into the room. One reason we use fans to help cool us is that they aid in convective heat transfer - blowing fresh air across our skin where it helps evaporate our sweat for example. It feels cooler because the convective heat transfer is improved, not because the room got any cooler.
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A refrigerator and air conditioner both remove heat from a cold reservoir and into a hot reservoir Why then does an air conditioner cool a room while a refrigerator warms a room?
Both an A/C unit and a fridge pump heat from one area into another. In the A/C unit the heat is pumped out of the room and into a discharge area, normally the outside atmosphere, thus the room is cooled, wheras for a fridge the heat is pumped from inside the fridge out into the room, thus the inside of the fridge is cooled and the room is warmed. The only difference between the working of the two is that the "room" is a different side of the heat pump.
Explain how a radiator quickly warms all the air in a room even though air is a poor thermal conductor?
IT is because warm air does out side and cooled air com inside
What happens to the temperature of a room in which an air conditioner is left running on a table in the middle of the room?
Temperature of a room will goes up.Consider a room as a closed system. The only energy entering or leaving the room is from the AC unit. The AC unit cools some of the air inside the room by pumping refrigerant/coolant and heating up other air of the room (typically that exhaust air would be sent outside). Heat exhausted from the AC pumps increases the temperature of the room.
Can you enter a room with the doors and windows closed?
yes. there could be other openings in a room
When a room is being cooled by a fan which method of heat transfer is being used?
A fan does not cool a room. It only cools moist objects in the room, so the method of cooling is evaporation.
Why does a refrigerator warm a room?
If you feel behind a fridge, you will feel the warm air. This warmth is from the inside of the fridge as the inside is cooled, and from the pump.
Why is it that doors are closed when Air Condition is on?
because air conditioners work throughout a room closed or not closed. if it is open the cool air will get out of the room and the AC will have to cool more air than the air inside the room which will make the AC to work longer and the electricity usage will increase.
A refrigerator and air conditioner both remove heat from a cold reservoir and into a hot reservoir Why then does an air conditioner cool a room while a refrigerator warms a room?
Both an A/C unit and a fridge pump heat from one area into another. In the A/C unit the heat is pumped out of the room and into a discharge area, normally the outside atmosphere, thus the room is cooled, wheras for a fridge the heat is pumped from inside the fridge out into the room, thus the inside of the fridge is cooled and the room is warmed. The only difference between the working of the two is that the "room" is a different side of the heat pump.
How a radiator quickly warms all the air in a room even though air is a poor thermal conductor?
IT is because warm air does out side and cooled air com inside
Explain how a radiator quickly warms all the air in a room even though air is a poor thermal conductor?
IT is because warm air does out side and cooled air com inside
What would happen if you burn coal in a closed room and its effects?
Burning of coal in a closed room will have suffocating effects.
Why does your spectacles become foggy when you come out of a air-condition room?
as the air inside the car cannot escape from a closed atmosphere the cool air inside the car is condensed in the form of water vapour in the spectacles.
What are sodium cooled valves and how they work?
Sodium is a solid at room temperature and becomes a liquid at 97.5 degrees Celsius. Sodium cooled valves are exhaust valves in a cylinder head of an engine that open to release exhaust gasses that were formed due to combustion of fuel and air inside the cylinders and typically get very hot. The sodium cooled valves and exhaust valves filled with sodium inside, the sodium helps the valves be cooler than if they were just solid.
What happens to a hot bimetallic strip when it is cooled to room temperature?
It Melts:P.
You are in front of the gates of a closed city?
No, I am in front of my system in a closed room.
How do you measure shoulder room in a car?
how do you measure the shoulder room inside the vehicle. how do you measure the hip room inside the vehicle. how do you measure the head room inside the vehicle. how do you measure the leg room inside the vehicle.
When was Inside the Room created?
Inside the Room was created in 1935.
