Compute the maximum coefficient of heat pump
An air conditioner running with R-134a on a cycle executed under the saturation dome between the pressure limits of 0.8 MPa and 0.12 MPa. Calculate the maximum Coefficient of this heat pump.
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Determine the density, specific heat, and thermal conductivity of a lightweight aggregate concrete mix that is composed of 65% stone mix concrete and 35% air by volume. Evaluate properties at T = 300K.
One half of the loop is then folded back onto the other half, as indicated in part b of the drawing. Determine the magnitude of the average emf induced in the loop.
What is the force exerted by the atmosphere downward on the end cap? What is the net force exerted on each bolt holding the end cap in place?
An automobile tire with a volume of 0.5m3 is inflated to a gage pressure of 200 kPa. Calculate the mass of air in the tire if the temperature is 10 oC. Take barometric pressure to be 100 kPa.
Calculate the minimum heating and cooling requirements, identify the pinch temperature and construct a temperature enthalpy diagram for the streams.
The CO2 is cooled at a constant pressure as it flows in the pipe and the temperature drops to 465 K a the exit. Using ideal gas equation determine the volume flow rate at the inlet.
If k = 0.4*10^(-3) ft^(-1), determine d such that a car driving at constant speed v0=180mph experiences at B an acceleration with magnitude equal to g.
Two cylinders are filled with liquid water, ? = 1000 kg/m3, and connected by a line with a closed valve. A has 100 kg and B has 500 kg of water, their cross-sectional areas are AA = 0.1 m2 and AB = 0.25 m2 and the height h is 1 m. Find the pressur
A part subjected to a stress of 50 ksi may experience a single edge surface crack no longer than 0.015 in. Which (if any) of the following materials is a good candidate for the part?
At these conditions, the latent heat of vaporization of ethanol is 779 kJ/kg. The final pressure of the ethanol is 1 atm. What is the final temperature of the ethanol, and why?
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