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A piston-cylinder arrangement initially contains water at P = 300 psia and T = 500oF. The piston is moved to a final position where the volume is twice the initial volume. During the piston movement there is a heat transfer to the water in such a way that the pressure in the cylinder remains constant. (a) sketch the process on a P-v diagram, indicating the relative position of the saturation curve. (b) find the work done per pound of water during the expansion. (c) find the heat transfer per pound of water during the expansion. (d) find the value of the enthalpy of the water after expansion.
A similar measurement is made applying the force parallel to one of the cube axes. Explain why the two measurements give different values of the elastic modulus.
a refrigeration remove 12 kj of heat from a body when working between 24 k and 310 k if the coefficient of performance
Determine the outlet temperature of the hot fluid.
in a paint plant semiautomatic mixers are normally used. it takes 8 minutes for an operator to load a mixer with the
landing gear system structural designproblem statement consider the landing gear shown below. working in teprns of two
Knowing that the gage pressure inside the tank is 5 MPa, determine the maximum stress and the maximum shearing stress at point L.
If the pipe is to be insulated with glass wool insulation (k=.05 W/m C) in order to decrease the temperature rise of water to .25 degrees C, determine the required thickness of the insulation.
A cylindrical drill with radius r1 is used to bore vertically a hole through the centre of a sphere of radius r2.
air undergoes a process with the states given below. find the change of entropy using the ideas gas table and compare
What tightening torque should be used if the connection is permanent and the fasteners are lubricated? What portion of the external load is taken by the bolts? By the members?
Calculate the volume of water that is available for power generation at the extremes of spring and nap tides? If during the time the turbines are running, the level of the water in the bay is 2m higher that that in the sea, what is the potential ene..
for flow over a circular cylinder as shown below the velocity outside of boundary layer can be estimated to beux 2
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