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A mixture of 40% Argon and 60% Hydrogen by volume has been proposed for use as the working fluid in a closed Brayton cycle.
The mixture is compressed isentropically from 400oC at 0.4 MPa to a pressure of 1.2 MPa.
Find the final temperature of the mixture and the amount of work required, assuming ideal gas behavior is applicable.
Calculate the molar entropy change for argon and for hydrogen.
Why do the individual gases experience an entropy change during a process that is overall isentropic? [Hint: use properties of argon]
A metal block, placed on a rough surface, is attached to a spring and is given an initial displacement of 10 cm from its equilibrium position. It is found that the natural time period of motion is 1.0 s and that the amplitude reduces by 0.5 cm in ..
The steam line leading to the turbine inle
Assuming the springs are unstretched when the door is in the horizontal (open) position and ABCD is vertical, determine each spring stiffness k so that when the door falls to the vertical (closed) position, it will slowly come to a stop. Use approp..
a capacitor is connected to an ac generator that has a frequency of 3.7 khz and produces a voltage of 1.4 v. the
How many cycles of EM waves occur during the above passage, using 1.50 x 10 to the 23rd power Hz.
Calculate the electric and magnetic field intensities to the left of the short. Assume the short is at Z = 0 for simplicity.
Suggest why it is important to make a distinction between developing the user requirements and developing system requirements in the requirements engineering process.
When excited harmonically at 5 Hz, the steady-state displacement of the mass is 5 cm. Calculate the amplitude of the harmonic force applied.
Steam at 75 kPa and 13 percent quality is contained in a spring-loaded piston-cylinder device, as shown in the figure, with an initial volume of 5.28 m^3. Steam is now heated until its volume is 13.20 m^3 and its pressure is 300 kPa. Determine the he..
water at 20c flows through at 10cm inner dyameter pipe.a static pressure tap of a pilot tube at a cross section
Determining Feasibility, At steady state, a new power cycle is claimed by its inventor to develop 6 horsepower for a heat addition rate of 400 Btu/min
A closed rigid container is charged with propane, C3 H6, and 150% theoretical air at 100 kPa, 298 K. The mixture is ignited and burns with complete combustion. Heat is transferred to a reservoir at 500 K so the final temperature of the products is..
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