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A kitchen contains a standard refrigerator and a window air conditioner. The refrigerator operates at steady state using 200 W of electric power and a COP of 3. If the kitchen is well insulated:
a) Willl the refrigerator keep the kitchen cool without the aid of the air conditioner? Support your answer.
b) If your answer is NO, then calculate the rate at which the air conditioner must remove energy from the kitchen to maintain a cool, constant temperature.
an ideal brayton gas refrigeration cycle uses air. the air is at 5 psi and -10f when it enters the compressor. the
If we want to find the specific volume of superheated water vapor, which below is the most accurate method:
an ideal gas whose adiabatic exponent is equal to gamma undergoes a cycle consisting of two isochoric and two isobaric
a shell and tube heat exchanger consists of a tubecarrying a fluid to be heated or cooled surrounded by another fluid
the 50 kg wheel is a solid circular disk which rolls on the horizontal plane in a circle of 600mm radius. the wheel
find the natural frequency of a pendulum for small angle deflections when the mass of the rod/string is not negligible. (Mass of rod = m, mass of ball = M.
It is known that a long log floats with its axis horizontal. A very short log, however, floats with its axis vertical. Determine the maximum length of a cylindrical walnut log 30 cm in diameter that will cause it to float with its axis vertical.
what equal monthly invesmet is required over a 50 year period to achieve a balance of 2600000 in an investment account
2 kg of air initially at 5 bar 350 k and 4 kg of carbon monoxide initially at 2 bar 450 k are confined to opposite
an especially violent lightning bolt has an average current of 1.37 103 a lasting 0.125 s. how much charge is delivered
sleep apnea is a disorder involving brief interruptions of breathing during sleep. many patients who suffer from sleep
A horizontally oriented copper rod length of l=1m is rotated about avertical axis passing through its middle. what is number of rps at wich this rod ruptures?
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