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What is the temperature rise of 250 cfm of air if an electric heater adds 8500 btus to the air?
Assuming no heat loss, the temperature rise would be approximately 36 degrees Fahrenheit. This calculation is based on the specific heat capacity of air, which is about 0.24 BTU/lb°F. The formula for calculating temperature rise is: Temp Rise = Q / (m * Cp), where Q is the energy added in BTUs, m is the mass flow rate of air in lbs per minute, and Cp is the specific heat capacity of air in BTU/lb°F.
Why low temp rise in cooling mode of heat pump?
COULD BE MANY THINGS- NEED MORE SPECIFICS. MOST LIKELY TXV OR CHARGE ISSUE. IF TEMP RISE GOOD IN H/P MODE W/O STRIP OR SUPP. HEAT ADDED MOST LIKELY TXV. IS OA TEMP AN ISSUE THIS TIME OF YEAR? (LOW HEAD PRESSURE) lc
The temp of a substance increases as?
The temperature of a substance increases as heat energy is added to it, causing the particles in the substance to move faster, which leads to an increase in its kinetic energy. This increase in kinetic energy results in a rise in the average speed of the particles, leading to a rise in temperature.
Why doesnt the temp change at 0 cel even though 80 kcal of heat is added?
At 0 degrees Celsius, added heat is used to break intermolecular forces during the phase change from solid to liquid, not to increase temperature. This energy is known as latent heat of fusion and is needed to overcome the solid's molecular arrangement. Once all the ice has melted, the temperature will start to rise again.
What will happen when heat is added to water that is room temp?
The water will get hotter. Its molecules will move faster, and the temperature goes up.
Why do heat provides heat not cold?
Always heat is transfered from high temp to low temp. So heat bodies radiate heat. When a body is heated up when the temp is higher in body than surrounding heat is transfered
Why is there no further rise in temp. when we heat a liquid at its boiling point?
For a certain interval of time, the temperature does not increase any further when the temperature of the water reaches the boiling point because of the heat energy being added at this point is going into converting the liquid to a vapor (gas). That is to say, all of the energy is going into breaking bonds and overcoming the atmospheric pressure, so none of it goes into increasing the temperature.
What happens to the temp of a cup of coffee when a sugar cube is added. Does the temperature increase or decrease and why?
decrease,because the cube of sugar absorb some heat
Can the sun make the temp of an object rise?
yes.
What prevents a 98 grand prix not to rise to operating temp?
If the thermostat is broken and stuck open, the engine temp will not rise very fast. Hope this helps "G"
Does the size of the utensils placed in the fridge affect its coefficient of performance?
yes! it will take longer for the system to be at desired temp because it draws the the heat from those added utensils. if the fridge took 4 hours to get to its designed temp and you fill it with room temp products it will roughly take 45% longer to get back down to that temp.
What should supply air temp be for heat pump heating?
With heat pumps supply air temp will vary with outdoor temp. The colder it gets outside the less efficient the heat pump will be (colder supply air).
