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Rule of thumb is no more than 50 feet.

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What is overall surface efficiency of fins?

it is ratio of the total heat transfer from the surface area associated with both the fins and exposed portion of the base to maximum heat transfer from same surface area (in ideal conditions we get maximum heat transfer)


Specific heat in 1 btu of fuel oil?

Specific heat of fuel oil in btu: 1)minimum-0.4 2)maximum-0.5


What is the maximum efficiency of a steam engine if it works between 300 K and 1500 K?

The maximum efficiency of a heat engine, such as a steam engine, operating between two temperatures can be determined using the Carnot efficiency formula: ( \eta = 1 - \frac{T_C}{T_H} ), where ( T_C ) is the cold reservoir temperature and ( T_H ) is the hot reservoir temperature, both in Kelvin. For a steam engine operating between 300 K (cold) and 1500 K (hot), the maximum efficiency is: [ \eta = 1 - \frac{300}{1500} = 1 - 0.2 = 0.8 \text{ or } 80%. ] Thus, the maximum efficiency of the steam engine is 80%.


What is the allowable maximum heat of hydration of concrete?

heat of hydration should not be more than66 cal/g and 75cal/g for 7&28 days respectively


Is there a optimal flow rate for maximum heat transfer when using a heat pump?

Yes there is an optimum flow rate. Kind of! The heat pump manufacturer will post on the internet or in the users guide what the maximum and mimimum flow rate through his heat pump should be. I take it that the optimum then, is anywhere within that range. My pump manufacturer prescribes 20 GPM to 70 GPM for the heat pump I will be using. Too low a flow causes the heat pump to overheat. Too high a flow is hard on system components. dburr

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Heat will be distrubuted evenly throughout the room. The fire is maximum distance from an exterior wall, and will loose less heat through the wall to the outside.


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Where is the indoor coil on a Goodman air handler?

The indoor coil on a Goodman air handler is typically located within the air handler unit itself, positioned between the return air duct and the blower. This coil, often referred to as the evaporator coil, is responsible for absorbing heat from the indoor air as it passes over the coil, thereby cooling the air before it is distributed throughout the living space. Proper installation and maintenance are essential for optimal performance and efficiency.


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