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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While an oil well is being drilled at a depth of 6000 ft. Using G 5 11.2 3 106 psi, determine the maximum shearing stress in the pipe caused by torsion.
Kinetic and potential energy effects are negligible. For water (a). Show the process on a T-v diagram. (b) evaluate the work in kJ and (c) evaluate the heat transfer in kJ.
Both pieces are cast under the same conditions. What is the ratio of the solidification times of the two castings? Use Chvorinov's rule and n=2.
What are the wall temperatures at that location and at the 10. 3 ft location? Calculate the arithmetic-mean temperature difference and the log-mean temperature difference for the heated section.
An insulated cylinder of fixed volume of 4 meter cube contains 20 kg of nitrogen. Find the heat transfer and work done in kJ for this Process
What would be the total pressure loss in the entire length of the piping if the maximum loss per foot is achieved over the entire length?
Evaluate the power needed to overcome this force. Use density = 0.312 kg/m3, viscosity = 1.42 x 10-5 kg/m-s and drag coefficient = 0.002.
Two Carnot heat engines are operating in series such that the heat sink of the first engine serves as the heat source of the second one.
A person weighs 180lbs at sea level. the radius of the earth is 3960 mi. what force is exerted on the person by the gravitational attraction of the earth if he is in a space station in near-earth orbit 200 mi above the surface of the earth?
A Brinell hardness measurement, using a 10-mm diameter indenter and 300 kg load, produced an indentation 1.5 mm in diameter.
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