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Starting with the differential form of the fundamental entropy equation for dS (see Eq1 below and the total differential for dU as a function of V and T. Assuming N is constant, derive an equation for dS dependent on only dV and dT. Provide Each step and equations used.
steam enters an adiabatic turbine steadily at 3 mpa and 400 degree c and leaves at 50 kpa and 100 degree c. if the
Titanium in the BCC structure has a radius of 0.1423 nm.
a six-cylinder four-stroke spark-ignition engine operating on the ideal otto cycle takes in air at 100 kpa and 25oc and
The initial cost of a pickup truck is $10,478 and will have a salvage value of $3,959 after five years. Maintenance is estimated to be a uniform gradient amount of $142 per year, with zero dollar for first year maintenance. The operation cost is esti..
a series of cold rolling operations are to be used to reduce the thickness of a plate from 50mm down to 25mm in a
suppose 550 g of aluminum which has been heated to 150 c is added to 100 g of water which is at a temperature of 25 c.
An insulated, rigid tank is divided into two equal parts by a partition. Initially, one part contains 6.06 kmol of an ideal gas at 155 kPa and 30C, and the other side is evacuated. The partition is now removed, and the gas fills the entire tank. Dete..
An octave is defined as a doubling of the frequency. The claim is made that a low-pass Butterworth filter of order n has a roll-off (attenuation) of 6n dB/octave. Calculate the gain in dB for a second-order filter for the cut-off frequency itself, an..
a heat pump keeps the air temperature in a house at a temperature of 22.5 oc. the house is losing heat to the outside
a removable bracket must be attached to the frame of a machine tool as a support. the need for interchangeability
air in a piston-cylinder assembly undergoes a process from state 1 where t1 300 k p1 100 kpa to state 2 where t2500 k
Steam is throttled from 9 MPa and 500V to a pressure of 7 MPa. Determine the decrease in exergy of the steam during this process. Assume the surroundings to be at 25C.
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