Air enters a 28-cm diameter pipe steadily at 200 kPa and 20°C with a velocity of 5 m/s. Air is heated as it flows, and leaves the pipe at 180 kPa and 40°C. Determine
(a) The volume flow rate of air at the inlet,
(b) The mass flow rate of air, and
(c) The velocity and volume flow rate at the exit.
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