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Extend Prob. P5.30 as follows. Let the maximum mass flow m . again be a function of tank pressure p0 and temperature T0, gas constant R, and nozzle diameter D, but replace cp by the specific heat ratio, k. For an air tank at 190 kPa and 330 K, with a 2-cm nozzle diameter, experiments show a mass flow of 0.133 kg/s.
(a) Can this data be used to correlate an oxygen tank?
(b) If so, estimate the oxygen mass flow if the tank conditions are 300 kPa and 450 K, with a nozzle diameter of 3 cm
The density of the mixture.
the flux density of a magnetic field is 20000 lines per sq in. what length of conductor should cut the flux to produce
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What are the values of σ o and m in the equation Ps = exp[-(σ/σo)m ]? What is the maximum permissible stress if the probability of failure is to be kept less than 0.001% (i.e., one failure in 100,000)?
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