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Air enter a horizontal cylinderical pipe with creoss sectional area of 0.04m^2 operating at steady state at 280 k, 1 bar at flow rate of 0.3m^3/s, and exits at 325k, 0.95 bar. Assuming the the ideal gas model with k=1.4, determine

A) determine the mass flow rate in kg/s

B) determine the velocity at the inlet and exit in m/s

C) determine the rate of heat transfer in watts

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