Calculate the exit temperature and velocity of the air
Air is expanded in an adiabatic nozzle by a reversible polytropic process with n = 1.3. It enters this nozzle at 100 psia, 200oF with a velocity of 100 ft/s and exits at 25 psia. Calculate the exit temperature and velocity of the air.
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A venturi meter measures the flow of water at 65 degrees F in a 34 inch inside diameter pipe. The meter has an 18 inch throat. A different pressure of 3.2 in Hg is determined.
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a. Calculate the capacitance. The resistivity of the glass is rho = 1.2 x 10^13 ohms*m , and the dielectric constant is k=5.6 . Hint: Remember that I = dQ/dt. b. Calculate amount of energy stored in the capacitor.
It enters this nozzle at 100 psia, 200oF with a velocity of 100 ft/s and exits at 25 psia. Calculate the exit temperature and velocity of the air.
What is the minimum frequency of light necessary to emit electrons from sodium via the photoelectric effect? What is the wavelength of this light?
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The time X it takes to reboot a certain system has Gamma distribution with E(X) = 20 min and Std(X) = 10 min. Compute parameters of this distribution.
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